A bug is a problem in NetHack's source code. There are two lists of bugs provided by the DevTeam: one for nonspoiler bugs and one for spoiler bugs.

Status table Edit

OpenThe bug is unresolved, but the DevTeam knows what they need to do about it.
Not a bugSometimes people think this is a bug, but they're wrong.
fixedThe bug will be fixed in the next bug-fix release.
FixedThe bug will be fixed in a future release.
HelpThe DevTeam does not know what is causing this and would appreciate related bug reports.
SupersededSee another entry for information on this bug.

Core bugs Edit

Last updated: 2010-07-26

C341-1FixedMonsters affected by stinking cloud always get angry at the hero even if the hero did not create the cloud. This is possible in bones levels.
C341-4Fixedopthelp does not list use_inverse
C341-5FixedWhen you see your pet move, the pet may be referred to as "it".
C341-7FixedSkilled or expert caster of fireball/cone of cold can't target a monster known only by infravision or ESP.
C341-10FixedFruit names ending in "us" are incorrectly considered plural.
C341-18Fixedki-rins and couatls can wear (and may have) armor.
C342-12FixedThere are a number of places that misuse "your".
C342-13FixedHangup can cause loss of objects being moved internally.
C342-16FixedIf you self-genocide while polymorphed, the death message makes no sense.
C342-19FixedThings that can kill you in the future (like stoning) can cause messages to show up out of order.
C342-22FixedMonsters can hide under cockatrice corpses without getting stoned.
C342-31OpenYou can get a message telling you a monster wields a weapon it already was wielding.
C342-36FixedIf unable to see yourself while invisible and you are bestowed a spellbook, it doesn't show up on the display.
C342-46fixedCleric cast lightning doesn't blind as other lightning does.
C342-50FixedIf you're hiding on the ceiling and try to #sit, you automatically unhide.
C342-51FixedThe game thinks trappers hide on the ceiling.
C342-54FixedStatues of unique monsters in bones files are not handled correctly.
C343-1fixedAt a pit the game can give messages with poor grammar.
C343-2fixedWielded silver arrows don't cause silver damage on some silver-haters.
C343-3fixedIn the ranger quest, monsters can end up off the map to the left.
C343-4fixedOn the Rogue level, tunnelling through rock doesn't leave a passage.
C343-5fixedIn wizard mode, level teleport in the endgame can cause a crash if confused.
C343-6fixedYou can #sit on an object at the bottom of a pit that you are not in.
C343-7fixedWhen a steed pushes a boulder into a pool, the message misuses "you".
C343-8fixedPlural of Nazgul is Nazgul - not Nazguls.
C343-9fixedTrap messages referring to a named steed when hallucinating are poorly worded.
C343-10fixedIf there is a corpse in a pit, you have to enter the pit to pick it up but not to eat it.
C343-11fixedIf you ask for help ('?') at a "what direction" prompt, you don't get to enter a direction afterward if the cmdassist option is set.
C343-12fixedYou can't use '>' to enter a pit.
C343-13fixedOn polymorph, you can get the message "It turns into it".
C343-14fixedThe initial and any tombstone message resulting from eating an identified artifact is gramatically incorrect.
C343-15fixedYou can get a message that an invisible monster looks much better.
C343-16fixedPlayer polymorphed as a xorn can't pick up items in pits.
C343-17fixedAfter polymorphing into a xorn and returning to human form, player can be stuck in a pit that isn't there.
C343-18fixedScaring a mimicing mimic gives an incorrect "turns to flee" message.
C343-19fixedDipping acid in a fountain may not destroy the acid.
C343-20OpenWhen dying immediately on entering a level, the map may show you dying on the previous level.
C343-21OpenPets can be pulled through closed doors with a leash.
C343-22OpenYou can untrap a monster in a pit while levitating.
C343-23HelpDungeon collapses after vault guard fails to lead you out.
C343-24FixedDocumented default for option "null" is "off"; default is actually "on".
C343-25FixedYou can trip over a cockatrice corpse safely.
C343-26FixedA frozen swamp may be called a moat.
C343-27FixedKicked objects do not slide properly on air or water levels.
C343-28fixedThere are several places that can't tell the diffence between a "hat" and a "helmet."
C343-29fixedWhen taking things out of a bag of holding, messages may say "lifting" instead of "removing."
C343-30fixedCursed scroll of destroy armor on cursed armor doesn't always interact correctly.
C343-31fixedIf you hit a cockatrice with a weapon that breaks, you can be stoned.
C343-32FixedWhen blind and levitating, the hero can still discover stairs.
C343-33FixedSometimes a monster may remain hidden under a corpse that has rotted away.
C343-34FixedMimics on the rogue level may try to mimic a closed door.
C343-35fixedPolymorphed or shapechanged monsters may get the wrong number of hit points. On polymorph, the ration HP / max HP is preserved, perhaps this bug refers to rounding errors.
C343-36fixedWeight of corpses on special levels may not be calculated correctly. This also goes for statues, e.g. the Oracle centaur statues.
C343-37FixedMimics may mimic a boulder over a pit or hole.
C343-38OpenDismounting and kicking a monster that jumps may result in landing on the wrong side of a wall.
C343-39fixedRestoring a game where the character is wielding Sting may result in temporary display errors during the restore process.
C343-40fixedMonster thrusting one of multiple wielded daggers gives misleading message.
C343-41fixedA rolling boulder falling into a pit you can't see only makes a sound if the hero is blind.
C343-42fixedIf a fire trap melts ice, it may trigger twice in the same turn.
C343-43FixedAn invisible troll that revives may be shown until it moves.
C343-44fixedShopkeepers, doors, and traps interact oddly.
C343-45fixedDropping the corpse of a unique monster without a personal name down the stairs gives a badly formed response.
C343-46fixedBreaking up a boulder or statue can result in pieces that are described incorrectly.
C343-47fixedMonster and hero have different odds to err when throwing a greased weapon.
C343-48fixedKilling your pet doesn't get you any experience when it should.
C343-49fixedThe boulder does not show up in a bones file caused by death by rolling boulder.
C343-50fixedA sleeping steed may answer a #chat.
C343-51fixedLuck's effect on random events isn't always as intended. Several beneficial events are most likely with Luck=7, not maximum Luck.
C343-52fixedWorn or wielded objects destroyed by dipping into lit potions of oil are not handled properly; this can result in odd game behavior.
C343-53fixedIf a shopkeeper is trapped adjacent to the door, the game may get confused and issue impossible or panic messages.
C343-54fixed"Ulch" cannibalism message grammar is poor.
C343-55fixed"Ulch" messages have inconsistent capitalization.
C343-56fixedGas spores can't attack while hero is praying.
C343-57fixed#enhance command descriptions in Guidebook and game do not match.
C343-58fixed#conduct command description grammar is poor
C343-59fixedEngulfer stoned swallowing hero polymorphed to cockatrice causes incorrect screen display. If hero has ball & chain, game can panic.
C343-60fixedSeveral messages delivered when hero's fingers are slippery have poor grammar.
C343-61fixedUsing a WIZKIT including the quest artifact will crash the game at startup.
C343-62fixedRiding into a magic portal gives an extra, useless message.
C343-63fixedYou can drink from a sink, fountain, or while underwater while swallowed. In a similar vein, #praying on a cross-aligned altar also works.
C343-64fixedA black light leaves an hallucinated corpse while exploding.
C343-65fixedA monster that "shrieks in pain" may not awaken others nearby.
C343-66fixedCo-aligned unicorns in a bones file may be hostile.
C343-67fixedFinding a statue when searching while blind doesn't update map.
C343-68fixedIncorrect message may be given when a spellcasting monster summons other monsters.
C343-69fixedAttempting to add more candles than needed to a candelabrum with at least one candle gives an incorrect message.
C343-70fixedExperience may not be correctly gained for monsters causing nonphysical damage. "Difficult" attacks it possesses make a monster worth more experience, but the way these bonus points are calculated underrates physical damage.
C343-71FixedWhen swapping places with a pet pushes it into a trap, the messages are out of order.
C343-72FixedYou get confusing messages when you stop levitating while on a flying steed.
C343-73fixedTrying to kick a monster on a level forbidding teleport may give a bogus "teleports" message.
C343-74fixedEntering a long running, uninterruptible command (e. g. engraving) after stoning starts will kill you.
C343-75fixedEating Medusa's corpse may not work properly.
C343-76fixedA tin of Medusa meat isn't warned about properly.
C343-77fixedSome messages referring to monsters that look like horses refer to claws.
C343-78fixedDigging in an existing hole charges you for the time it takes to dig the whole hole.
C343-79fixed"Mr." or "Ms." may show up in front of names when it should not.
C343-80fixedTame monsters with multiple attacks may allow themselves to be killed through passive attacks.
C343-81fixedGhosts can be slimed.
C343-82fixedLand mine explosion on a drawbridge doesn't work right.
C343-83fixedAn eating pet will miss out on ascension.
C343-84fixed"finally finished" may be displayed when not eating.
C343-85fixedSometimes the hero can't move when conscious.
C343-86fixedHero can appear to be in the wall after destroying a drawbridge.
C343-87fixedSometimes shop items the hero is forced to buy can be sold twice.
C343-88fixedPolymorphing a statue into a boulder can leave an incorrect display.
C343-89FixedUnpaid objects damaged or improved in shops are not accounted for properly.
C343-90fixed"I u" with only one item unpaid lists the price twice.
C343-91fixedAuto-cursing armor does not do so when worn by monster.
C343-92fixedA blind player may find a trap which then fails to show up on the map.
C343-93fixedAstral vision can confuse the ; command.
C343-94fixedProbing a re-animated statue may cause a panic.
C343-95fixedIf killed by the wish from a magic lamp (or similar situation) and a bones file is produced, the bones file has the lamp in the wrong state.
C343-96fixedIf player aborts "In what direction?" question, prompt may remain displayed.
C343-97fixed^R and ^L don't work in numberpad mode
C343-98fixedChatting with quest leader brought back from the dead doesn't work.
C343-99fixedHero can still see for brief period after being blinded by potion vapors.
C343-100fixedGame may crash if thrown potion hits bars before a monster.
C343-101fixedThe hero can see some things while asleep.
C343-102OpenMessages delivered when the ceiling collapses on a swallowed hero need revision.
C343-103fixedThe hero is not protected from a mind flayer during successful prayer.
C343-104fixedMessage from angry shopkeeper giving a price when hero picks up an object has poor spacing and construction.
C343-105Not a bugMessage given when restoring a game refers to original gender and form, not current.
C343-106fixedSunsword continues to glow after its wielder dies.
C343-107fixedKilling your own steed never leaves a corpse.
C343-108OpenEntering "e-" does not remove the prompt.
C343-109fixedThere is a grammar error in the Tourist leader's greeting.
C343-110fixedGame can crash if shopkeeper dies while character is praying.
C343-111fixedGrammar of some graveyard sounds messages is wrong in some cases.
C343-112fixedHero and monster afflicted with lycanthropy are treated differently.
C343-113fixedWhen flying down a hole or a ladder, the messages are inaccurate.
C343-114fixedRemoving some but not all the boulders from a location confuses the vision system.
C343-115fixedSleeping or paralyzed unicorns can catch gems.
C343-116fixedGrammar error in messages related to choking on gold.
C343-117FixedGaining and losing levels in normal and monster form do not balance.
C343-118fixedSome messages use "mirror" where they should use "looking glass."
C343-119fixedOptions IBMgraphics, DECgraphics, and MACgraphics interact oddly in the config file, resulting in odd listings from the O command.
C343-120Not a bugThere is no warning when hitting floating eyes.
C343-121FixedEating various brains which should have special handling, don't.
C343-122fixedAlignment of Angels is not handled consistently.
C343-123FixedPlural of "mother-in-law" is incorrect.
C343-124fixedYou can't rub a touchstone on gold.
C343-125fixedKilling a vault guard outside a vault gives incorrect feedback.
C343-126fixedWhen wielding Grayswandir, feedback from a trapped chest may be wrong.
C343-127fixedIf a vault guard leads the hero to gold in the rock, inappropriate feedback is given.
C343-128FixedFeedback for gas spore explosion when hallucinating could be improved.
C343-129FixedCancelling objects in or near a shop doorway may make the shopkeeper think you are a thief.
C343-130fixedSometimes you can't rub an arbitrary object on a touchstone. Perhaps this refers to the fact you cannot check for kicking boots and gauntlets of power once the touchstone has been formally identified.
C343-131fixedMessage has poor grammar if hero killed when stealing cockatrice corpse from a monster.
C343-132fixedMessage when death caused by kicking an object can be too verbose.
C343-133FixedEffects of varying consuming Medusa are inconsistent.
C343-134FixedBeing petrified by swallowing a cockatrice violates foodless conduct.
C343-135fixedSeveral quest messages are inappropriate if the hero is blind.
C343-136fixedA samurai quest guardian message uses "ninja" where "ronin" is intended.
C343-137fixedDemons may demand money from (and get paid by) a fainted hero.
C343-138fixedSome spheres pick up objects and some don't.
C343-139fixedThere's no feedback when an unseen drawbridge opens or closes.
C343-140FixedPets may continue eating after being paralyzed or falling asleep.
C343-141fixedRunning, searching, and resting should stop wnen levitation ends.
C343-142FixedShopkeepers can be identified while hallucinating.
C343-143FixedLeprechauns stealing gold from a mounted hero cause oddly worded messages.
C343-144fixedCreatures that can fit under doors can't fit through diagonal gaps.
C343-145fixedMattock is mishandled when forcing locks.
C343-146fixedUnseen wand of striking becomes known if zapped by unseen monster and it hits a door.
C343-147FixedThe game panics if a magic trap tames a monster that just expelled the hero.
C343-148FixedChanging locations while asleep lets you see objects or read engravings.
C343-149FixedPolymorphed spellbooks don't behave as intended. If the spell wasn't present in the spellcasting Z menu when you read the book, it is never blanked, regardless how many times it was already polymorphed. This bug also affects spells forgotten due to a blessed scroll of amnesia.
C343-150fixedGender and/or size of some quest quest leaders and nemeses are wrong.
C343-151fixedMonsters can teleport to or be created outside of legal area in special levels. Examples are xorns off the map in Sokoban or ghosts on the edge of the map of the Astral Plane.
C343-152FixedUsing a cursed lamp while blind may give inappropriate messages.
C343-153FixedPlayer polymorphed into guardian naga spits the wrong kind of venom.
C343-154fixedCandles are fireproof.
C343-155FixedProper names may be incorrectly preceeded by "the" when hallucinating.
C343-156FixedReading scrolls may give redundant feedback messages.
C343-157fixedWorms don't have scales.
C343-158fixedKrakens have tentacles.
C343-159fixedStalkers have a head.
C343-160fixedName "leather spellbook" is misleading.
C343-161FixedA scroll of charging that has disappeared may still show in the list of things to charge.
C343-162fixedUsing Magicbane may cause an ungrammatical message.
C343-163fixedAntholes are mispopulated under some conditions.
C343-164fixedCancelled nurses may give inappropriate messages.
C343-165FixedScroll of mail can be abused slightly. Perhaps this refers to the fact shopkeepers will eventually start charging for mail if you pick up enough of them.
C343-166fixedPits dug in vault guard's corridor don't get removed.
C343-167FixedLength of time swallowed is sometimes calculated incorrectly.
C343-168fixedShattering a monster's weapon doesn't work right if the weapon is part of a stack of more than one.
C343-169FixedAutopickup fails during a failed untrap attempt.
C343-170FixedDamage by silver weapons is sometimes higher than intended when hero is polymorphed. Perhaps this refers to the fact players hit multiple times with the same weapon if polymorphed into a form with several weapon attacks, e. g. Aleax or marithlith.
C343-171FixedSilver weapon damage message is sometimes missing when hero is polymorphed.
C343-172fixedCrash could occur when monster uses potion or food to cure stoning or confusion.
C343-173fixedMonster eating lizard corpse is not handled correctly.
C343-174fixedDrum of earthquake gives inappropriate message if hero or monster is in a pit.
C343-175fixedChatting to hostile prisoners may give an inappropriate message.
C343-176fixedDisintegration breath hitting equipment carried by monsters is not handled properly; if the monster life-saves the situation is worse; saddles are especially troublesome.
C343-177fixedFirst false rumor is displayed as gibberish on some platforms.
C343-178fixedWisdom is mishandled when rumors are used for random graffiti.
C343-179fixedIf a monster is killed by a drawbridge while carrying a potion of acid, the game may panic.
C343-180fixedIn an obscure case on special levels, troll corpses may fail to revive and lizard corpses may revive.
C343-181FixedThe hero is welcomed to Delphi even if the Oracle was previously angered.
C343-182fixedPutting on the Eyes of the Overworld while blind gives an ungrammatical message.
C343-183fixedJumping over an already seen trap may give an ungrammatical message.
C343-184OpenLevitation via worn equipment is not implemented for monsters.
C343-185fixedNo message is generated when attempting to name a monster that cannot be named by the player.
C343-186fixedSome messages referring to "priestess" say "priest."
C343-187FixedMeditating monsters continue meditating when affected by something which wakes sleeping monsters.
C343-188fixedSpecifying role and/or race and an invalid alignment in NETHACKOPTIONS or config file causes a misleading message.
C343-189fixedTemple donations and protection lost to gremlin attack interact incorrectly. Specifically, a gremlin steals only the effectiveness of divine protection, not the amount.
C343-190FixedMonsters can hide while trapped or holding the hero.
C343-191fixedWhen an unseen monster forces a polymorphed hero out of hiding, feedback is insufficient.
C343-192fixedIf invocation is performed while hero is trapped, hero remains trapped.
C343-193FixedPolymorphed hero can fall into water once and crawl out twice.
C343-194FixedSaving and restoring a game while punished and swallowed sometimes loses the ball and chain.
C343-195FixedGlass wand thrown and broken in a shop is not charged for.
C343-196FixedWielded light source may get missed by rust trap.
C343-197fixedAttacking a hidden monster sensed via ongoing monster detection is interrupted inapropropriately.
C343-198fixedPlaying in a 20 or 21 line window can cause the game to crash.
C343-199fixedThe database entry for "monk" has a typo.
C343-200fixedIn the quest, it's possible to accidently skip the locate level, e. g. by falling down a hole several levels.
C343-201fixedPhrasing of message when one monster attacks another with stacked weapons is odd.
C343-202FixedPushing a boulder onto a level teleporter trap could cause repeated messages.
C343-203fixedHero arriving on a very crowded level may land on a monster causing game state corruption and possibly a crash.
C343-204FixedHero grabbed or engulfed due to conflict should be released when conflict ends.
C343-205FixedChanges in hallucination state are not reflected properly when also mimicing.
C343-206fixedDivine gifts resulting from #offer are identified when blind.
C343-207fixedCertain items that should never be created in Gehennom can be created there.
C343-208fixedHero can be blinded while fainted.
C343-210fixedHero can "feel a bit steadier" while unconscious.
C343-211fixedEngraving under water gives a poorly worded message.
C343-212fixedIf the hero is killed by a thrown potion of burning oil, the game will panic.
C343-213fixedDisplay of stinking cloud may be incorrect when wearing Eyes of the Overworld.
C343-214fixedMonster escaping by changing levels in the wizard tower may end up outside the tower too easily.
C343-215fixedElbereth is sometimes ignored by monsters.
C343-216fixedFireproof containers catch fire in lava.
C343-217FixedMissile which kills engulfer is temporarily lost when hero is expelled.
C343-218fixedApplying a wielded cream pie can crash the game. This generalizes to wielded objects being destroyed.
C343-219fixedHero can die due to "burned by burning" or "drowned by drowning."
C343-220FixedEating a Rider corpse doesn't work quite right.
C343-221FixedJabberwoks do not always wake up when they should.
C343-222FixedIt's possible to end up wielding a cockatrice corpse when no longer polymorphed.
C343-223fixedHidden pet can follow hero down stairs, remain hiding and show up as hidden monster. Also can happen with a magic whistle.
C343-224fixedCarrying too many items creates uselessly long prompts.
C343-225fixedHero can sometimes carry too many boulders.
C343-226FixedInventory display doesn't mention unpaid items in a container the hero owns.
C343-227fixedContainer dropped in a shop then moved to an untended shop behaves oddly.
C343-228fixedCloak of magic resistance is active when it shouldn't be.
C343-229FixedHero can dip or apply grease to a worn item that is covered by another worn item.
C343-230fixedDrawbridges act differently depending on which direction they are pointing.
C343-231fixedTime is distorted while sinking into lava.
C343-232fixedHero can be slimed while in lava.
C343-233fixedHero polymorphed into Quantum Mechanic may get erroneous messages about disappearing monsters.
C343-234FixedSacrifice on an altar can have unintended consequences. Perhaps this refers to the fact the corpse of a former pet does not vanish.
C343-235fixedCasting spell of protection gives incorrect message if hero is swallowed or in rock.
C343-236fixedEngraving works in places it shouldn't.
C343-237FixedThe relationship between crossbow use and strength is wrong.
C343-238fixed(Unix and VMS only) The "Who are you?" prompt does not accept digits in the response.
C343-239fixedEngravings can transfer between a moat and a drawbridge.
C343-240fixedHero can create a pit in air.
C343-241FixedHero is not charged for breaking the lock on a container owned by a shop.
C343-242fixedShopkeepers and priests avoid graves when they should not.
C343-243fixedHero can throw without hands.
C343-244fixedSometimes you can eat artifacts you can't touch with your hands.
C343-245fixedHero trying to kick beyond map edge is handled improperly.
C343-246fixedEngraving with an empty wand handles time wrong.
C343-247fixedA magic portal may be deactivated if the game is saved due to hangup while changing levels.
C343-248fixedYou can't put candles in a candelabrum while underwater.
C343-249fixedThere are a number of errors handling vomit; and real rats can't vomit.
C343-250OpenRust-causing targets can reveal other information about a weapon.
C343-251fixedMonsters sleeping due to being hit may wake up at the wrong time.
C343-252fixedThere is a typo in the quote from "The Count of Monte Cristo."
C343-253fixedChoking on certain food items doesn't work properly.
C343-254fixedShapechanger's don't take advantage of being mimics or hiders.
C343-255fixedTinning on a full level fails improperly.
C343-256fixedVery very very long messages can cause a crash.
C343-257fixedCursed corpses wielded by monsters are not handled properly. Perhaps this refers to the fact wielded items are always dropped when a monster polymorphs.
C343-258fixedGrammar error in samurai quest: "wakarimasu?" instead of "wakarimasu ka?"
C343-259fixed"Dr. Dolittle" is spelled incorrectly.
C343-260fixedRidden steeds are sometimes immune to gas traps.
C343-261FixedSleeping steeds can jump.
C343-262fixedPolyporph mis-handles a used and wielded leash.
C343-263FixedProbing may miss Schroedinger's cat. The cat is created only when the container is opened, but should be when it is observed.
C343-264fixed"You must drop your weapon" may appear when it should not.
C343-265fixedForce may work when hero can't reach lock being forced.
C343-266fixedHero on drawbridge when it's destroyed is not handled properly.
C343-267fixedGame says monster speed changes even if monster can't move at all.
C343-268fixedUsed up potion of acid may end up in bones file.
C343-269fixedBones file created after hero dies outside shop may mis-handle items.
C343-270fixedDying in a shop while wielding two weapons may cause a warning message.
C343-271fixedPet messages at the very end of the game may appear in the wrong place.
C343-272fixedCorrupted score file can crash the game.
C343-273FixedChanging alignment and held artifacts interact incorrectly. E. g. you still enjoy the when-carried benefits of artifacts you could not pick up due to your current alignment.
C343-274fixedOdd message when attempting to apply a wielded towel.
C343-275fixedIf a lit, wielded, candle or potion of oil burns out, the game may crash.
C343-276fixedIf a figuring auto-transforms while wielded or worn, the game may crash.
C343-277FixedWooden weapons don't always burn when they should.
C343-278fixedQuest leaders are too likely to be affected by traps.
C343-279FixedKicked arrows may get wrong bonuses.
C343-280FixedRanged polearm attack doesn't always work properly.
C343-281FixedKicking shop-owned food is not always accounted for correctly.
C343-282FixedDamage calculation may be wrong when hero is polymorphed into a pudding.
C343-283fixedLong walks take a non-optimial path.
C343-284FixedActivating a shop-owned figurine sometimes don't entail shop charges.
C343-285FixedWater elementals can be trapped in a bear trap.
C343-286FixedPolymorph and lycanthropy do not interact properly.
C343-287fixedHero polymorphed into monster with kick attack doesn't get bonus from ring of increase damage when kicking.
C343-288FixedThe message "a monster appears" can show up when multiple monsters appear.
C343-289fixedIf magical removal of a steed's saddle is fatal to the hero, the saddle may still be on the steed in a bones file.
C343-290fixedRings do not show up in the "what do you want to charge?" prompt when they should.
C343-291FixedBackstab bonus interacts incorrectly with thrown weapons and two-weapon mode. Two-weapon does not get backstab at all while each fired weapon does individually.
C343-292FixedTouching a pile of objects while blind does not always work correctly.
C343-293FixedThere are a number of errors changing words between singular and plural forms.
C343-294fixedOrcs and gnomes do not respond to #chat when they should.
C343-295fixedCasting stone-to-flesh on self while wielding a figurine can cause the game to panic.
C343-296FixedSunsword doesn't work as expected against shades.
C343-297fixedLit potion may survive hero dying from splattered oil burning on the floor.
C343-298fixedKicking at "empty space" uses no time.
C343-299fixedKilling tame engulfer from inside gives a warning message.
C343-300FixedAmulet of strangulation may kill forms that can't be strangled.
C343-301fixedNymphs can steal things they can't pick up.
C343-302fixedAmnesia of object discoveries may forget to forget one thing.
C343-303FixedGem probabilities are not reset properly on level revisit.
C343-304FixedMessage given when damaging a closed drawbridge may refer to a wall.
C343-305FixedAttacking with an applied polearm ignores the "confirm" option.
C343-306FixedEngulfer under influence of conflict or confusion can swallow a monster and not be affected by water/lava/trap under monster until next turn.
C343-307FixedUnicorn horn interacts incorrectly with ring of sustain ability.
C343-308FixedA hidden, dead monster can revive hidden under its own corpse.
C343-309FixedDroppinng Heart of Ahriman may give odd message sequence.
C343-310FixedApplying an unpaid stack of potions of oil forces hero to buy all of them.
C343-311FixedPrice of unpack shop items may change when hero is forced to buy.
C343-312FixedMonster can attack with a polearm it was unable to wield.
C343-313Fixed"You trip over it" may appear even after you know what "it" is.
C343-314FixedDrowning on the Plane of Water lists cause of death as "drowned in a moat."
C343-315fixedSmall monsters dropping items due to weight use the wrong weights.
C343-316fixedMonsters who shouldn't will attack the Wizard to get the Amulet.See also SC343-19.
C343-317FixedBones data can contain odd characters from player's dogname, catname, or fruit options; this can cause odd terminal-dependent behavior.
C343-318fixedOpening or closing the castle drawbridge using music takes no time.
C343-319FixedGrid bugs can be forced to move diagonally, e. g. by displacing a tame one.
C343-320FixedReading scroll of mail break illiterate conduct.
C343-321FixedHero and monsters can walk through a long worm's tail diagonally.
C343-322FixedForced attack on a boulder says "you attack thin air."
C343-323FixedObjects dropped as a monster dies don't interact properly with the environment. See also #362.
C343-324 fixed Cutting a long worm in two will crash the game if the cut takes the worm to 1 HP or if long worms had become extinct.
C343-325 Fixed Hole in ice may be described as a "moat."
C343-326 Fixed Open and close commands may give inappropriate feedback near a drawbridge.
C343-327 fixed Message "suddenly you cannot see the" monster can be displayed when the monster remains visible for some reason.
C343-328 Fixed Messages when opening a tin may imply implausible timing.
C343-329 fixed A just-dead monster may still claim to be fleeing.
C343-330 Fixed Wrong message may be delivered when seeing a pet eating.
C343-331 Open Sleeping monster reacts to a mirror.
C343-332 Fixed The message given when multiple potions of acid explode refers to a single potion.
C343-333 fixed Vault guard asks hero's name while hero is engulfed.
C343-334 Fixed Defining GOLDOBJ drops a slot from the inventory.
C343-335 fixed Cloak of invisibility and blindness do not interact reasonably.
C343-336 Fixed A shapechanger starting out in changed form gets incorrect inventory items. Specifically, they get items appropriate for their polymorphed form.
C343-337 Fixed It's possible to create an object of 0 gold pieces.
C343-338 Fixed Wizard-mode command sanity_check misses nested containers and migrating monsters.
C343-339 Fixed Screen and time are not always updated properly when opening or closing doors while blind.
C343-340 Fixed Secret door detection does not interact properly with features of the Planes of Water and Air.
C343-341 Open In minetown, it's possible to teleport into a room that requires digging to escape from.
C343-342 Fixed Potion thrown by monster which hits long worm's tail says it hit its tail.
C343-343 Fixed Helm of Opposite alignment gives incorrect piety level. Currently, you retain your alignment record, e. g. it is possible to gain alignment for robbing a shop while chaotic and calming the shopkeeper while lawful.
C343-344 fixed NetHack thinks jellyfish have heads.
C343-345 fixed Attempting to remove cursed lenses gives a message with poor grammar.
C343-346 Fixed Attempting to put on some items when the item is already wielded or quivered and failing for a variety of reasons gives a message with poor grammar.
C343-347 Fixed Picking up and wearing an unknown ring while blind sometimes gives out too much information.
C343-348 Fixed Exercise before polymorph may affect polymorphed character.
C343-349 Fixed An identify scroll is wasted if space is typed and steps off the end of the inventory list.
C343-350 Fixed Eels don't hide when they are supposed to.
C343-351 fixed Alchemy-caused explosions don't wake nearby monsters.
C343-352 fixed Secret doors in lit walls don't always display properly.
C343-353 Fixed Aborting key or lock pick with escape uses a turn.
C343-354 Fixed Probing while engulfed ignores the fact that the hero is in the monster.
C343-355 fixed Archeologists start out at basic skill level in sling. This is a side effect of their touchstone, which is considered sling ammunition.
C343-356 Fixed Wearing an amulet of restful sleep confuses internal sleep state bookkeeping. Perhaps related is the fact you can cure instrinsic restful sleep (from eating the amulet) by putting on and removing an amulet of restful sleep.
C343-357 Open Rust monsters may chew non-ferrous items.
C343-358 Fixed If no co-aligned artifacts are available for gifting when required, gifting fails repeatedly. For example, this can mean trouble for elven priests who have named Sting and Orcrist in hopes of getting Stormbringer as their first sacrifice gift.
C343-359 fixed Setting the fruit name fails if the new name is already known but happens to be not at the end of an internal list.
C343-360 fixed A monster wearing a suit can still put on a shirt.
C343-361 Fixed The message "you feel shuddering vibrations" does not always get displayed when it should.
C343-362 Fixed Objects dropped during polymorph may be incorrectly polymorphed.
C343-363 Fixed The case of monsters eating green slime corpses is not handled correctly.
C343-364 Fixed If player's hand slips while naming an object, 'z' is never picked as the new letter.
C343-365 Fixed Hero may remove armor for nymph or succubus while asleep.
C343-366 Fixed Concealed mimic not always revealed when it should be.
C343-367 Fixed Fainting with a wielded cockatrice corpse doesn't behave as expected.
C343-368 Fixed Blinded hero knows too much about a monster summoning insects.
C343-369 fixed Mounted hero on life-saved steed gets repeated warning messages until hero dismounts.
C343-370 Open Travel (_) command can get stuck trying to plot a path past an interesting dungeon feature, for example, a trap or fountain.
C343-371 Fixed Stethoscopes can sometimes be used more often than intended. Specifically, if you save and resume, you can use it for free again.
C343-372 Fixed A fatal explosion can give the player messages in the wrong order if carried items are destroyed.
C343-373 Fixed Shopkeepers can polymorph into forms that don't let them do their jobs.
C343-374 Fixed When ploymorphed into a grid bug, attempting to move in an illegal direction is handled ungracefully.
C343-375 Fixed A mimic posing as a statue is not handled properly.
C343-376 fixed When trying to move down, Hero can be levitating and stuck in the floor at the same time.
C343-377 Fixed Hero hidden from monster is still treated as a normal target for range attack.
C343-378 Fixed Hero hiding as a small mimic can end up stuck to a monster after returning to human form.
C343-379 Fixed Spelling errors "sprit" and "truely" in quest text.
C343-380 fixed Mimics pretending to be doors show up on the Rogue level.
C343-381 Fixed Attacking by applying a polearm doesn't scuff engraving under hero.
C343-382 Fixed Auto-wielding a polearm may take no time.
C343-383 Fixed Applying a bullwhip while hero is at edge of map may cause a panic or crash.
C343-384 fixed Cutting a level 0 long worm in half may lead to a worm with 0 HP, which may cause a crash.
C343-385 Fixed D command doesn't handle u choice correctly if only unpaid items are inside containers.
C343-386 Fixed Pearl rings can rust.
C343-387 Fixed T-shirts can be read when covered.
C343-388 Fixed Spell damage and low intelligence interact incorrectly.
C343-389 Fixed Dragon breath and certain other effects hitting a hidden secret door does not damage it.
C343-390 Fixed Breaking a wand which may zap but not damage a door gives an odd message.
C343-391 fixed Hero polymorphed into a mimic with #monster and hiding as an object does not unhide when polymorphing into a non-mimic.
C343-392 Fixed A stunned monster may both walk away from the hero and keep holding him.
C343-393 Fixed The messages produced when throwing a poisoned weapon which loses its poison are in a confusing order.
C343-394 fixed Throwing a potion of acid into water may panic the game.
C343-395 Not a bug Spelling errors at the genocide prompt may have unintended consequences. Specifically, genociding "master mindflayer" as a monk is fatal.
C343-396 Fixed Shopkeeper does not charge hero for an unsold boulder that is destroyed with a pick-axe.
C343-397 fixed A badly formed message may be produced if a pick-axe is applied to a boulder and the boulder is removed by a monster.
C343-398 fixed The game may crash if a wielded potion of polymorph is drunk.
C343-399 fixed Messages referring to a named vault gaurd have grammatical errors.
C343-400 Fixed Wearing a cloak of displacement identifies it even if hero can't see.
C343-401 Fixed Wearing an elven cloak identifies it even if hero is already stealthy.
C343-402 Fixed Putting on a ring of stealth never identifies it.
C343-403 Fixed Hero can write a scroll not sufficiently identified.
C343-404 Fixed Writing a scroll can give a badly phrased message if the scroll is known by its appearance.
C343-405 Fixed Some quest artifacts are too easily affected by stone-to-flesh.

Spoiler core bugs Edit

SC342-3FixedHangup can be used to cheat.
SC343-1FixedMonsters that can't blow can still use a whistle.
SC343-2fixedIf you are poison resistant, potions of sickness can only kill you if they are blessed.
SC343-3fixedWater walking boots are not handled properly on lava.
SC343-4FixedReviving corpses or reanimating statues in a shop does not get charged correctly.
SC343-5fixedBreaking container contents in a shop doesn't always charge for them.
SC343-6fixedStealing a stack of items from a shop sometimes results in only being charged for one.
SC343-7fixedZapping an unknown wand while blind sometimes gives out too much information.
SC343-8fixedRe-animating a statue containing gold produces too much gold.
SC343-9FixedMedusa corpse from a level file behaves incorrectly.
SC343-10FixedPlayer can raise HP and Pw by dancing with vampires. This is the infamous polyself bug.
SC343-11fixedIt's possible to easily find the identity of a high priest on the Astral plane. This is the infamous Astral call bug.
SC343-12fixedHero using telepathy can abuse Call on the Astral Plane.
SC343-13OpenWhile blind and levitating, too much information may be presented. Does this refer to messages about monsters scared by an Elbereth engraving?
SC343-14FixedShopkeepers and priests may be teleported out of their shop or temple too easily.
SC343-15FixedNurses are not stoned by hero polymorphed into cockatrice.
SC343-16fixedGalatinous cubes can engulf Rider corpses.
SC343-17FixedStethoscope may unhide hidden mimic.
SC343-18fixedEscaping from lava can leave hero outside of time.
SC343-19 Fixed Monsters seeking the Amulet attack temple priests to get it.
SC343-20 fixed Hangup save while picking up gold in a shop may duplicate the gold.
SC343-21 fixed Accounting is incorrect for containers dropped in a shop that does not sell them.

Windows-only bugs Edit

W341-13Fixed"Lock Windows" menu item has wrong checkmark at startup
W341-14FixedMessage window does not update properly if resized.
W342-6Not a bugCheckboxes are drawn wrong.
W343-1fixedRedirecting score output through a pipe doesn't work.
W343-2Not a bugWindows 98 is unable to load tiles that are too large. This is an OS issue.
W343-3fixedUnder the Polish version of Windows 2000 SP4, screen output with a raster font shows wrong characters for many dungeon features.
W343-4fixedKeyboard may stop responding after locking or unlocking a door when using altkeyhandler=nhraykey.dll
W343-5FixedError messages early in the game startup sequence may flash by unreadably.
W343-6FixedAttempting to start NetHack from within a zip utility doesn't work (this is not a bug) and gives a misleading error message (this is the bug).

X11-only bugs Edit

X343-1fixedThe scrollbar for a text window may be missing when needed.
X343-2fixeduse_inverse is broken in tty mode.
X343-3fixedSanity check for mouse position after window resize is wrong.

Macintosh-only bugs Edit

M343-1fixedRelease code does not build under Carbon.
M343-2Opennethack-343-mac-term.pkg.sit only: "No write permission to lock perm!" error. Only happens on clean installs of 10.3.x (not upgraded systems). (See M343-3 for 10.4.)
M343-3Opennethack-343-mac-term.pkg.sit only: "No write permission to lock perm!" error. Only happens on 10.4 (See M343-2 for 10.3.)
M343-4 Open In the Qt port, Command-Z crashes the game and prevents it from restarting.

Qt-only bugs Edit

Q341-1FixedRandomly generating characters doesn't always follow user requests.
Q341-3Open[Mac only] q and / keys send additional characters when pressed.
Q343-1OpenExplore or debug mode only: ^X doesn't show the intrinsics screen.
Q343-2fixedSaved games are not found if the game is built with the prefix option.

Windows-CE-only bugs Edit

CE343-1Not a bugAttempting to load an alternative tile set fails.
CE343-2 fixed Help text windows close immediately.
CE343-3 fixed Action button points to wrong screen location.
CE343-4 fixed pocketpc: menu window closes if scrolled off top or bottom
CE343-5 fixed Input is translated when command helper is hidden.
CE343-6 fixed Text window does not scroll left on left arrow.

Build-from-source bugs Edit

S343-1Opengnome port refers to file t32-1024.xpm for large tiles that doesn't exist
S343-2fixed1x1 room in special level can trigger panic due to off by one error (does not affect official room set)
S343-3fixedmakedefs may fail to compile if sizeof(time_t) != sizeof(long)
S343-4fixedNetHack does not compile under Microsoft VC2005.
S343-5fixedThe prototype and definition for finish_map don't match properly.
S343-6fixedGame does not compile under FreeBSD 6.1.
S343-7 fixed DLB doesn't work under VMS if a file used by NetHack and without a dot in its name matches a VMS logical name.
S343-8 fixed NetHack does not compile under Microsoft VS2008 Express Edition.
S343-9 Fixed If time_t changes from 32- to 64-bits due to (e.g.) compiler upgrades, save files will not be compatible between old and new builds.
S343-10 fixed Windows 64-bit mode compile produces warnings in random.c.
S343-11 fixed Smartphone keyboard does not work.

Bugs not mentioned on the DevTeam's website Edit

The hero can teleport on a non-teleport level: Get engulfed by a tame engulfer using conflict, end conflict, apply a magic whistle.
It is impossible to paste (e. g. "ElberethElbereth") into the windows tiles build. This works on OS X, however.
The game sometimes behaves as if a series of spurious non-attacking movement commands were typed after #looting a container.
Confused #looting a throne does not destroy it.
The "highlight_pet" option does not work on monsters only seen due to the monster detection spell.
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