As of Version 1.04.01, there is a glitch in which Malenia will regain health while attacking a player character that is in their long death animation. This in turn can make the fight more difficult in multiplayer if her aggro does not change from a killed player until their health bar is completely off screen.
As of Build 1.03.2, If a player is wearing the Black Knife Set outfit while attempting to use the Mimics Veil, their character model and any weapons they have equipped will be sticking outside of the object they transform into.
A major bug in The Witch and the Hundred Knight that can occur at seemingly any time will force the game to return to the system menu, losing all unsaved progress as a result. This became a common critique in the game's reviews, leading it to not be received as favorably by some. While The Witch and the Hundred Knight: Revival Edition did not fully fix this glitch, it occurs much less frequently, with playing for extended periods of time being noted as a possible factor.
While bottled Blue Fire is meant to be used to melt Red Ice in the Ice Cavern, it can also be used to destroy brown stone Weak Walls that normally need to be destroyed with Bombs. However, it can only be used to break this specific kind of bombable wall and this function is never actually mentioned in the game, suggesting that it may be a glitch.
The Brazilian release of the Nintendo GameCube has special code that patches a crash glitch that can only be found in NBA Courtside 2002. This patch does not exist in any other version of the hardware.
It is possible to feed the Hungry Pumkin indefinitely past the maximum score. If one right clicks after feeding him and presses "Play", the Pumkin will repeat the eating animation, which can be done repeatedly far beyond the game's end at 25 items. The Pumkin's weight, which increases very slightly every time he eats, does not have a cap, so he can eventually become so large that he covers the entire screen (note that in the attached image, the score listed is missing its last digit, so he has eaten over 470 items, not 47).
Action 52 came with a leaflet explaining that the games Alfred and the Fetucini's[sic] and Jigsaw could only be unlocked by completing Ooze. In reality, the prior two games are not playable on NES hardware and the latter game is unwinnable.
Before version 18w07a (1.13), the height of large oak trees would be shared for each instance of the large tree generator created. Before Beta 1.8, this was not an issue since every time a large tree needed to be generated it used a new instance of the generator. However, from Beta 1.8 onward, each biome had its own large tree generator instance, resulting in naturally generated large trees sharing the same height per biome. These height values would remain the same until the game is restarted.
The source code below is generated using RetroMCP for version 1.2.5 unless otherwise stated.
Around line 340 of WorldGenBigTree.java, this can be found: [code] if(this.heightLimit == 0) { this.heightLimit = 5 + this.rand.nextInt(this.heightLimitLimit); } [/code] This code randomises the height of generated large oak trees. However, this height limit is set once due to the [code]this.heightLimit == 0[/code] check.
Line 51 of BiomeGenBase.java shows the generator instance being created: [code]protected WorldGenBigTree worldGenBigTree = new WorldGenBigTree(false);[/code] The instance is unique for every biome created and is used whenever a biome has large trees in it. Therefore, large tree heights are unique per biome. This is not too noticable however, since these trees only generate in forests, extreme hills, ice plains, jungles and plains.
Between Alpha v1.2.0 and Beta 1.7.3, BiomeGenBase still controlled what trees were generated, but it used a new large tree generator instance every time, as seen on line 64: [code]return (WorldGenerator)(var1.nextInt(10) == 0 ? new WorldGenBigTree() : new WorldGenTrees());[/code] In earlier versions, new generator instances were still being created with the exception that the height was shared per chunk: in Alpha v1.1.2_01, the following code was used around line 380 in ChunkProviderGenerate.populate().
[code] Object var18 = new WorldGenTrees(); if(this.rand.nextInt(10) == 0) { var18 = new WorldGenBigTree(); } [/code]
In the image attached to this submission, it shows a world generated in Minecraft Java Edition 1.9.4. The red sand border shows the border between chunks generated before and after game reset. Trees with sea lanterns are large trees generated before the reset and trees with glowstone are large trees generated after the reset.
Postal III was delisted from Steam on November 22, 2022 due to issues with the Steam version's DRM going offline. On October 12, 2023, Running With Scissors announced on the "I Regret Nothing Podcast" that the game had received some DEPOS updates to fix the issues keeping the game from being playable, and would be added back on Steam at a later date with some additional fixes from the ZOOM Platform version of the game.
To help development reach its finish, Retro Studios licensed out a PHP-based bug tracker called Mantis, working with Nintendo of America's product testing division to find bugs and the team's producers would enter bug reports.
Eventually, Metroid Prime went gold on October 29, 2002 at 2:21 AM, less than a month before the release date to give time to manufacture game discs. Programmer Zoid Kirsch described it as one of the most memorable days of his life, commemorating it by getting the development team's signatures on a magazine poster. Notably, none of the developers signed on Samus because they had a large amount of respect for the character.
In the campaign levels "Assault on the Control Room" and "343 Guilty Spark", a glitch can be performed where if you hold down the button to throw a grenade right as a cutscene showing you arriving on the Pelican starts, you will stay inside the Pelican despite map scripting normally forcing you to jump out. The ship will then fly off out-of-bounds. If this glitch is done in the former mission, you can exit at any time and explore, but if you do not jump out in time, the Pelican will fly through a kill barrier and kill you. If done in the latter mission, you can safely get out at any time and explore with no risk of death. If you travel northeast from where the Pelican landed, you may eventually encounter a lone Marine, Private Mendoza from later in the mission, standing around in the empty area doing nothing. In Anniversary Edition, this Marine is slightly hidden behind a tree (several were added to this area in this edition), but he can still be seen as the trees do not have collision-detection, allowing you to walk through them. While it may seem that him standing around doing nothing is just an Easter egg, his presence here is actually a pre-determined location for his model to spawn in at before he is needed later in the level so there are no memory allocation spikes that would occur if his model was just loaded in and destroyed from the level. This is part of a common game programming pattern called "object pooling" where multiple objects are pre-initialized to be in use, and once their usage is finished are set to no longer be in use. The position of Mendoza's model is changed to be used in a pair of cutscenes during the mission.
It's notable that Mendoza's model has very minimal AI unlike other NPCs in the stage. Normally, if you use mods to possess any other character in the level and play as them, the game will recognize that the functions assigned to that character are being overridden by the player character and the level will crash. If you use mods to possess Mendoza's model however, the game will not recognize his functions have changed and you can play through the entire mission as him. He has less functionality than Master Chief, he freezes when he is hit due to him playing an animation central to his original AI, and will die in a few hits, but with the God Mode invincibility cheat on he can complete the level. Although designer Jaime Griesemer mentioned that there was a playable Marine unit named "future soldier" in an earlier RTS prototype of Halo titled "Monkey Nuts"/"Blam!", it's unknown if Mendoza specifically was ever planned to be playable.
If the player performs a set of Bros. Attacks correctly Mario will get an idea to do an Advanced Bros. Attack, illustrated with a small thinking animation. If this occurs during the battle against the Hoohooros boss while said boss is also using the thinking animation, the game will soft lock.
Due to a glitch, Samus' left wall jump sprites in-game do not have her left arm. This is due to a rendering error, as internally these sprites do have her left arm. This does not happen with her right wall jump sprites.
The game has a secret CPU ghost mode which can be accessed under the Time Trial menu by pressing Start on a controller in port 2 while selecting a driver. This triggers a CPU cursor to appear, allowing the player to select a ghost driver to compete against. However, the CPU ghosts are capable of interacting with elements of a track's mechanics, like the ice blocks found in Vanilla Dome.
If the player allows the CPU to destroy these blocks, then drives over where the blocks were, then saves and race against their own ghost, a glitch will occur where the ghost will vanish when it touches the block that was supposed to have been destroyed and trigger a visual error where the player's tires will cycle between two frames of animation even while in an idle position. This glitch only occurs when the player and the ghost use the same driver.
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In 2021, whenever a female character was attacked by a spell, they would apparently show an "ahegao" face, a Japanese term for anime characters with an exaggerated facial expression from having an orgasm. This expression wasn't shown on male characters and only seemed to affect females. After going viral on Chinese social media, the game's developer NetEase apologized profusely and claimed it to be a "bug" due to tongues clipping through chins. To make up for it, NetEase gave players free in-game items and currency.
In the Japanese release, the player is able to use Dive on the deep water tiles in Team Aqua's hideout due to a programming oversight. Because these tiles were never intended to lead anywhere, diving in them simply teleports the player back to Petalburg City, the lowest-indexed map location in the game. In the international release, this error is fixed by disallowing the player from using Dive in the hideout.
This glitch is not present in Pokémon Ruby & Sapphire, because in those games, the entrance to the hideout is no longer accessible after obtaining the Mind Badge, which is required to use Dive in the overworld.
At the Fluffy Puffy Breadshop in Grillin' Village, there is a glitch that can be performed outside the bakery right before it closes. It requires Musashi to fall asleep on a very specific part of the wooden floorboards leading inside, and if performed correctly, the shop's door as it closes for the night will push him inside. When inside, talking to Jam at the counter will reveal that the bakery is currently having a sale. However, this can be done on any day of the week, making this glitch a possible exploit to buy cheaper goods from the Breadshop.
The Japanese FM Towns release of Monkey Island 2 is completely missing the so-called "cliffside puzzle" (which involves stealing a fish from a chef, trading the fish to a fisherman for a rod, and casting your line over a cliff, so a seagull appears and snatches the piece of the treasure map away).
At first, it was speculated this was either a bug (with one person going so far as to officially submit it as a bug for the ScummVM emulator in 2006) or censorship. But looking at the game's source code, the change was seemingly intentional, with additional lines of code being added to tell the program to skip the correct sequence of events.
When asked about this, even former developers and play testers couldn't explain or remember why. Recent consensus is that this was most probably because of a technical issue involving vertical scrolling (where if the screen moved up and down you couldn't have objects or animations on the screen at the same time or the game's script would break - and the cliffside "room" is the only room in the game to feature vertical scrolling).
There's a sprite of popular anime character Doraemon hidden in the background of Gill's stage. To actually see the sprite in-game, first the player has to perform a glitch to get Alex and Chun-Li onto Gill's stage. Right after that they have to do several glitches including one involving Alex and Chun-Li's throws to get the latter at an unnaturally high point. If Chun-Li stomps on Alex she will fly up into the air and the background will eventually loop vertically, revealing the Doraemon sprite.
Because of an oversight, the Fast Ball, which is supposed to work better on Pokémon that have a proclivity to flee, only works as it should on Magnemite, Grimer, and Tangela. This is because the Ball is supposed to look for three categories of Pokémon: ones with a 10% flee rate, ones with a 50% flee rate, and ones with 100% flee rate. However, for some reason the ball only chooses the first three Pokémon in the first category (10% flee rate) when it applies its catch-rate modifier.
As of Build 1.03.2, If a player is wearing the Black Knife Set outfit while attempting to use the Mimics Veil, their character model and any weapons they have equipped will be sticking outside of the object they transform into.
It is possible to feed the Hungry Pumkin indefinitely past the maximum score. If one right clicks after feeding him and presses "Play", the Pumkin will repeat the eating animation, which can be done repeatedly far beyond the game's end at 25 items. The Pumkin's weight, which increases very slightly every time he eats, does not have a cap, so he can eventually become so large that he covers the entire screen (note that in the attached image, the score listed is missing its last digit, so he has eaten over 470 items, not 47).
Action 52 came with a leaflet explaining that the games Alfred and the Fetucini's[sic] and Jigsaw could only be unlocked by completing Ooze. In reality, the prior two games are not playable on NES hardware and the latter game is unwinnable.
Before version 18w07a (1.13), the height of large oak trees would be shared for each instance of the large tree generator created. Before Beta 1.8, this was not an issue since every time a large tree needed to be generated it used a new instance of the generator. However, from Beta 1.8 onward, each biome had its own large tree generator instance, resulting in naturally generated large trees sharing the same height per biome. These height values would remain the same until the game is restarted.
To help development reach its finish, Retro Studios licensed out a PHP-based bug tracker called Mantis, working with Nintendo of America's product testing division to find bugs and the team's producers would enter bug reports.
In the campaign levels "Assault on the Control Room" and "343 Guilty Spark", a glitch can be performed where if you hold down the button to throw a grenade right as a cutscene showing you arriving on the Pelican starts, you will stay inside the Pelican despite map scripting normally forcing you to jump out. The ship will then fly off out-of-bounds. If this glitch is done in the former mission, you can exit at any time and explore, but if you do not jump out in time, the Pelican will fly through a kill barrier and kill you. If done in the latter mission, you can safely get out at any time and explore with no risk of death. If you travel northeast from where the Pelican landed, you may eventually encounter a lone Marine, Private Mendoza from later in the mission, standing around in the empty area doing nothing. In Anniversary Edition, this Marine is slightly hidden behind a tree (several were added to this area in this edition), but he can still be seen as the trees do not have collision-detection, allowing you to walk through them. While it may seem that him standing around doing nothing is just an Easter egg, his presence here is actually a pre-determined location for his model to spawn in at before he is needed later in the level so there are no memory allocation spikes that would occur if his model was just loaded in and destroyed from the level. This is part of a common game programming pattern called "object pooling" where multiple objects are pre-initialized to be in use, and once their usage is finished are set to no longer be in use. The position of Mendoza's model is changed to be used in a pair of cutscenes during the mission.
Due to a glitch, Samus' left wall jump sprites in-game do not have her left arm. This is due to a rendering error, as internally these sprites do have her left arm. This does not happen with her right wall jump sprites.
The game has a secret CPU ghost mode which can be accessed under the Time Trial menu by pressing Start on a controller in port 2 while selecting a driver. This triggers a CPU cursor to appear, allowing the player to select a ghost driver to compete against. However, the CPU ghosts are capable of interacting with elements of a track's mechanics, like the ice blocks found in Vanilla Dome. 
In the Japanese release, the player is able to use Dive on the deep water tiles in Team Aqua's hideout due to a programming oversight. Because these tiles were never intended to lead anywhere, diving in them simply teleports the player back to Petalburg City, the lowest-indexed map location in the game. In the international release, this error is fixed by disallowing the player from using Dive in the hideout.
There's a sprite of popular anime character Doraemon hidden in the background of Gill's stage. To actually see the sprite in-game, first the player has to perform a glitch to get Alex and Chun-Li onto Gill's stage. Right after that they have to do several glitches including one involving Alex and Chun-Li's throws to get the latter at an unnaturally high point. If Chun-Li stomps on Alex she will fly up into the air and the background will eventually loop vertically, revealing the Doraemon sprite.
