Phenomenon
|
Canonicity
|
Cause
|
Fatal?
|
Fixed in 1.9?
|
Workaround?
|
Loophole?
|
(0,0) respawning bug
|
Undisputed
|
Algorithm
|
N
|
N
|
N
|
Y
|
AASTINKY and AASHITTY
|
Undisputed
|
Algorithm
|
N
|
N
|
N
|
N
|
All-ghosts effect
|
Undisputed
|
Overflow
|
N*
|
N
|
N
|
N
|
Armor percentage rollover
|
Undisputed
|
Static limit
|
N*
|
Y
|
S
|
N
|
Barrel explosions which do no damage
|
Undisputed
|
Algorithm
|
N
|
N
|
N
|
N
|
Barrel suicide
|
Undisputed
|
Algorithm
|
N
|
Y
|
N
|
Y
|
Blast damage has unlimited vertical range
|
Undisputed
|
Algorithm
|
N
|
N
|
N
|
Y
|
Broadcast packet meltdown
|
Verified
|
|
N*
|
Y
|
|
N
|
Bullet puffs do not appear in outdoor areas
|
|
Algorithm
|
N
|
N
|
N
|
|
Chaingun makes two sounds firing single bullet
|
Undisputed
|
Algorithm
|
N
|
N
|
N
|
N
|
Crushed barrels leave behind a pool of blood
|
Undisputed
|
Algorithm
|
N
|
N
|
Y
|
N
|
Crushed monsters block player movement
|
Verified
|
Algorithm
|
N
|
Y
|
N
|
N
|
Demo desyncing caused by bouncing lost souls
|
Undisputed
|
Algorithm
|
N
|
N
|
N
|
N
|
Demo desyncing caused by menu access
|
Undisputed
|
Algorithm
|
N
|
N
|
N
|
N
|
Drawsegs overflow
|
Undisputed
|
Static limit
|
N
|
N
|
S
|
N
|
Elastic collisions with walls
|
|
|
N
|
N
|
N
|
Y
|
Excessive scrolling texture overflow
|
|
Overflow
|
Y
|
N
|
Y
|
N
|
Fast doors make two closing sounds
|
Undisputed
|
Algorithm
|
N
|
N
|
N
|
N
|
Fast doors reopening with wrong sound
|
Disputed
|
Algorithm
|
N
|
N
|
N
|
N
|
Flawed collision detection
|
Undisputed
|
Algorithm
|
N
|
N
|
N
|
|
Floors and ceilings moving silently
|
Undisputed
|
|
N
|
N
|
N
|
Y
|
Frag count rollover
|
|
Overflow
|
N
|
N
|
N
|
N
|
Gamma correction resets palette
|
Undisputed
|
Algorithm
|
N
|
N
|
N
|
Y
|
Ghost monsters
|
Undisputed
|
Algorithm
|
N
|
N
|
N
|
N
|
Hall of Mirrors effect (limit)
|
Undisputed
|
Algorithm
|
N
|
N
|
S
|
N
|
Hall of Mirrors effect (missing texture)
|
Undisputed
|
Linedef
|
N
|
N
|
Y
|
N
|
Health limited to 199
|
|
Algorithm
|
N
|
Y
|
N
|
N
|
Health percentage hysteresis in sector type 11
|
|
Algorithm
|
N
|
N
|
N
|
N
|
Hitscan attacks hit invisible barriers in large open areas
|
|
Algorithm
|
N
|
|
|
|
IDCLEV idiosyncrasies
|
|
|
N
|
N
|
N
|
N
|
IDMUS requests invalid music
|
|
Algorithm
|
Y
|
N
|
N
|
N
|
Invulnerability colormap bug
|
Disputed
|
Algorithm
|
N
|
N
|
N
|
N
|
IRQ 2 does not work
|
Verified
|
|
|
Y
|
|
|
Items respawn with pickup flag off
|
Verified
|
Algorithm
|
N
|
Y
|
|
|
joyb_speed magic numbers
|
|
Overflow
|
N
|
|
Y
|
Y
|
Kill percentage flag used for -nomonsters and respawning
|
Disputed
|
Algorithm
|
N*
|
N
|
N
|
Y
|
Lift heights not preserved in saved games
|
Undisputed
|
Algorithm
|
N
|
N
|
N
|
N
|
Linedef type 37
|
|
|
Y
|
N
|
Y
|
N
|
Linedefs can be activated regardless of player's Z position
|
Undisputed
|
Algorithm
|
N
|
N
|
N
|
Y
|
Long wall error
|
Undisputed
|
Roundoff
|
N
|
N
|
S
|
N
|
Lost soul charging backwards
|
Disputed
|
Algorithm
|
N
|
N
|
N
|
Y
|
Lost soul clipping problems
|
Undisputed
|
Algorithm
|
N
|
Y
|
N
|
N
|
Lost soul colliding with items
|
Undisputed
|
Algorithm
|
N
|
N
|
N
|
Y
|
Lost soul limit
|
Undisputed
|
Static limit
|
N
|
N
|
N
|
Y
|
Lost soul target amnesia
|
Disputed
|
Algorithm
|
N
|
N
|
N
|
N
|
Lump size limit
|
|
Static limit
|
|
N
|
S
|
N
|
Mancubus fireball clipping
|
Undisputed
|
Algorithm
|
N
|
N
|
N
|
N
|
Map size limit (blocks)
|
Undisputed
|
Static limit
|
Y
|
N
|
S
|
N
|
Map size limit (integer overflow)
|
|
Static limit
|
N
|
N
|
N
|
N
|
Medusa effect
|
Undisputed
|
Algorithm
|
N*
|
N
|
Y
|
N
|
Menu error with high mouse sensitivity
|
Undisputed
|
Overflow
|
Y
|
N
|
Y
|
N
|
Moiré error
|
Undisputed
|
Overflow
|
N*
|
Y
|
S
|
N
|
Monsters attacking across tall ledges
|
Disputed
|
Algorithm
|
N
|
N
|
N
|
N
|
Monsters fleeing
|
Disputed
|
Algorithm
|
N
|
N
|
N
|
|
Monsters open locked doors
|
Undisputed
|
Roundoff
|
N
|
N
|
N
|
Y
|
Monsters stuck in doortracks, walls or hanging off lifts
|
Undisputed
|
Algorithm
|
N
|
N
|
N
|
Y
|
Moving platforms limit
|
Undisputed
|
Linedef
|
Y
|
N
|
S
|
N
|
Network game crashes with 3 or 4 players
|
Verified
|
|
Y
|
Y
|
|
N
|
Network play locks up when using a sound card
|
Verified
|
|
Y
|
Y
|
|
N
|
Noclip bug
|
Undisputed
|
Overflow
|
N
|
N
|
N
|
Y
|
Non-Newtonian motion of corpses
|
Disputed
|
Algorithm
|
N
|
N
|
N
|
Y
|
Numeric overflow crash in tall areas
|
Undisputed
|
Overflow
|
Y*
|
N
|
S
|
N
|
Ouch face
|
Verified [1]
|
Typo
|
N
|
N
|
N
|
N
|
Phantom fireball explosions
|
Disputed
|
Algorithm
|
N
|
N
|
|
N
|
Picked up a medikit that you REALLY need!
|
Undisputed
|
Typo
|
N
|
N
|
N
|
N
|
Player corpses walking
|
Undisputed
|
Overflow
|
N*
|
N
|
Y
|
N
|
Player face grins after restoring savefile
|
Disputed
|
Algorithm
|
N
|
N
|
N
|
N
|
Player starts missing
|
Undisputed
|
|
Y
|
N
|
Y
|
N
|
Player stuck on ledge after restoring savefile
|
Undisputed
|
Algorithm
|
N*
|
N
|
N
|
N
|
Projectiles explode on impact with "sky"
|
|
Algorithm
|
N
|
N
|
N
|
N
|
Projectiles triggering linedefs
|
Verified
|
Algorithm
|
N
|
Y*
|
N
|
Y
|
PS/2 mouse bug
|
Verified
|
|
|
Y
|
|
|
Raising sectors change to orphaned sector type
|
Disputed
|
|
N
|
N
|
N
|
N
|
Ranged attacks blocked by decorations
|
Disputed
|
Algorithm
|
N
|
N
|
N
|
Y
|
Retriggering an open door after loading a savegame causes crash
|
Verified
|
Algorithm
|
Y
|
Y
|
N
|
N
|
Rocket passes through the player who fired it
|
Disputed
|
Algorithm
|
N
|
N
|
N
|
Y
|
Savegame buffer overflow
|
Undisputed
|
Static limit
|
Y
|
N
|
S
|
N
|
Savegame slots 5 and 6 corrupt other files
|
Verified
|
|
N
|
Y
|
|
N
|
Screen melt effect during Doom II cast sequence
|
|
Algorithm
|
N
|
N
|
N
|
N
|
Silent BFG trick
|
Undisputed
|
Static limit
|
N
|
N
|
N
|
Y
|
Skill level cannot be selected in some network games
|
Verified
|
|
N
|
Y
|
|
|
Sky hack
|
Undisputed
|
Algorithm
|
N
|
N
|
N
|
N
|
Sky never changes in Doom II
|
Undisputed
|
Algorithm
|
N
|
N
|
N
|
N
|
Sleeping Sergeant of Doom II MAP02
|
Undisputed
|
Typo
|
N
|
N
|
N
|
|
Slime trails
|
Undisputed
|
Roundoff
|
N
|
N
|
N
|
N
|
Some game options not preserved in saved games
|
Undisputed
|
Algorithm
|
N
|
N
|
N
|
N
|
Sound cutoffs
|
Disputed
|
Static limit
|
N
|
N
|
N
|
N
|
Sound effects behave differently on level 8
|
Disputed
|
Algorithm
|
N
|
N
|
N
|
N
|
Sounds changing pitch on slow computers
|
|
|
N
|
|
N
|
|
Spawn fog in wrong location
|
Undisputed
|
Typo
|
N
|
N
|
N
|
N
|
Spawn cubes miss east & west targets
|
Undisputed
|
Algorithm
|
N
|
N
|
Y
|
N
|
Spawn spots not preserved in saved games
|
Undisputed
|
Algorithm
|
Y*
|
N
|
N
|
Y
|
Spechits overflow
|
Undisputed
|
Static limit
|
Y
|
N
|
S
|
N
|
Spider paralysis
|
Undisputed
|
Algorithm
|
N
|
N
|
N
|
Y
|
Sprites flickering across ledges or lifts
|
Disputed
|
Algorithm
|
N
|
N
|
N
|
N
|
Stairs create unknown sector types
|
Undisputed
|
Algorithm
|
Y*
|
N
|
N
|
N
|
Stairs that can be ascended, but not descended
|
Disputed
|
Algorithm
|
N
|
N
|
Y
|
N
|
Status bar face hysteresis
|
Disputed
|
Algorithm
|
N
|
N
|
N
|
N
|
Straferunning
|
Undisputed
|
Algorithm
|
N
|
N
|
N
|
Y
|
Switches and lifts deactivated when restoring a saved game
|
Verified
|
Algorithm
|
N
|
Y
|
N
|
N
|
Tag 666 idiosyncrasies
|
Undisputed
|
Algorithm
|
N
|
N
|
Y
|
N
|
Tag 667 idiosyncrasies
|
Undisputed
|
Algorithm
|
N*
|
N
|
N
|
N
|
Targets not preserved in saved games
|
Undisputed
|
Algorithm
|
N
|
N
|
N
|
Y
|
Turning resolution is lowered when recording demos
|
Undisputed
|
Static limit
|
N
|
N
|
N
|
N
|
Tutti-frutti effect
|
Undisputed
|
Linedef
|
N
|
N
|
Y
|
N
|
Venetian blind crash
|
Undisputed
|
Multiple
|
Y
|
N
|
N
|
N
|
Vertical cutoff of partially invisible sprites
|
Undisputed
|
Static limit
|
N
|
N
|
N
|
N
|
Visible sprites limit
|
Undisputed
|
Static limit
|
N
|
N
|
S
|
N
|
Visplane overflow
|
Undisputed
|
Static limit
|
Y
|
N
|
S
|
N
|
Voodoo doll
|
Undisputed
|
Algorithm
|
N*
|
N
|
Y
|
N
|
Wallrunning
|
Undisputed
|
Algorithm
|
N
|
N
|
N
|
Y
|
Weapon sighting is off center
|
|
|
N
|
N
|
N
|
N
|
Wrong sound for exit switches
|
|
|
N
|
N
|
N
|
N
|
Wrong sound origin for button "popouts"
|
Undisputed
|
Algorithm
|
N
|
N
|
N
|
N
|
Wrong sound origin for switch/button presses
|
Undisputed
|
Algorithm
|
N
|
N
|
N
|
N
|
Z_Malloc error
|
Verified
|
|
|
Y
|
|
|