Gingerbread Man
Paratroopa
This thread is dedicated to ROM hacks of all kinds, with a special focus on fan translation and QoL patches for older games, but we also venture into the close territory of fan remakes. For example, in the last few years various hackers have created "Redux" patches for some old classics, bringing them closer to their modern sequels, or colorization hacks for Game Boy games.
But of course, we can also talk about fan games in the form of hacks (notably, EarthBound Halloween was Toby Fox's first work), parody hacks, and so on.
Below, a very extensive list of QoL and translation hacks for Nintendo (and Nintendo-adjacent) series. I'm not familiar with Pokémon games and those have a gazillion of hacks, so I didn't include them (except the English translation of TCG2 for GBC). The list is focused on improvement hacks, that is, patches that try to make a "definitive edition" of older games (fan games or heavy alternation are excluded).
General
Patches to force GB or GBA mode for GBC games
60 fps cheat codes for GC/Wii games
60 fps cheat codes for 3DS games
Wiimmfi guide (Patch Wii games for online playing)
Websites
ROM Hacking Net
Metroid Construction
SMW Central
FE Universe
Remakes
QoL ROM Hacks and Translations
Super Mario
The Legend of Zelda
Metroid
Fire Emblem
Famicom / Advance Wars
Donkey Kong
MOTHER
F-Zero
Picross
Other Nintendo games
Castlevania
Sonic
Quintet Games
But of course, we can also talk about fan games in the form of hacks (notably, EarthBound Halloween was Toby Fox's first work), parody hacks, and so on.
Below, a very extensive list of QoL and translation hacks for Nintendo (and Nintendo-adjacent) series. I'm not familiar with Pokémon games and those have a gazillion of hacks, so I didn't include them (except the English translation of TCG2 for GBC). The list is focused on improvement hacks, that is, patches that try to make a "definitive edition" of older games (fan games or heavy alternation are excluded).
General
Patches to force GB or GBA mode for GBC games
60 fps cheat codes for GC/Wii games
60 fps cheat codes for 3DS games
Wiimmfi guide (Patch Wii games for online playing)
Websites
ROM Hacking Net
Metroid Construction
SMW Central
FE Universe
Remakes
Port/Remakes from Decompilation Projects (PC)
Super Mario 64 Plus (see also: Super Mario 64 3DS)
Zelda Ocarina of Time - Ship of Harkinian
Perfect Dark
Zelda A Link to the Past
Super Metroid
Fan Remakes (PC)
Metroid Planets (Includes a remake of Metroid 1)
Another Metroid 2 Remake (follow the guide, then get the launcher)
Link's Awakening DX HD
Zelda II: Adventure of Link
Fan remakes as ROM Hacks
NES Super Mario Bros. into obscure Super Mario Bros. Special, with Spiny Egg fix
NES Super Mario Bros. into arcade Vs. Super Mario Bros.
Fire Emblem: Sacred Stones into Fire Emblem 1
Fire Emblem: Sacred Stones into Fire Emblem Echoes
Fire Emblem: Sacred Stones into BS Fire Emblem
Fire Emblem: Thracia 776 into Fire Emblem 7
infidelity's NES -> SNES ports
Metroid
The Legend of Zelda
MegaMan
MegaMan II
MegaMan IV
DuckTales
Super Mario 64 Plus (see also: Super Mario 64 3DS)
Zelda Ocarina of Time - Ship of Harkinian
Perfect Dark
Zelda A Link to the Past
Super Metroid
Fan Remakes (PC)
Metroid Planets (Includes a remake of Metroid 1)
Another Metroid 2 Remake (follow the guide, then get the launcher)
Link's Awakening DX HD
Zelda II: Adventure of Link
Fan remakes as ROM Hacks
NES Super Mario Bros. into obscure Super Mario Bros. Special, with Spiny Egg fix
NES Super Mario Bros. into arcade Vs. Super Mario Bros.
Fire Emblem: Sacred Stones into Fire Emblem 1
Fire Emblem: Sacred Stones into Fire Emblem Echoes
Fire Emblem: Sacred Stones into BS Fire Emblem
Fire Emblem: Thracia 776 into Fire Emblem 7
infidelity's NES -> SNES ports
Metroid
The Legend of Zelda
MegaMan
MegaMan II
MegaMan IV
DuckTales
QoL ROM Hacks and Translations
Super Mario
Super Mario Bros. 2: Improvements
Super Mario Bros. 3: Extended edition (JP damage system, lost levels)
Super Mario World: DX (+ several optional patches to play as Luigi, Peach or Toad)
Yoshi's Island: Life Saver, Colored buttons
Super Mario Land: Color patch
Super Mario Land 2: Color patch
Super Mario All-Stars: SMB1+LL brick fix, SMB1+LL Spiny Egg fix, SMB3 JP damage system, World Redux
Super Mario 64: Reduced Lag, Non-Stop
Super Mario RPG: JPN/PAL Button Colors, Reworked Text
Mario & Wario: Controller hack
Paper Mario 2: Improvements
Mario Kart Super Circuit: Color hack, Restoration hack
Super Mario Advance: Color restoration, Voice removal, Boss restoration
Super Mario Advance 2: Color restoration, Voice removal, Instrument restoration
Super Mario Advance 3: Color restoration, Voice removal
Super Mario Advance 4: Color restoration, Voice removal, E-Reader levels
Super Mario Bros. 3: Extended edition (JP damage system, lost levels)
Super Mario World: DX (+ several optional patches to play as Luigi, Peach or Toad)
Yoshi's Island: Life Saver, Colored buttons
Super Mario Land: Color patch
Super Mario Land 2: Color patch
Super Mario All-Stars: SMB1+LL brick fix, SMB1+LL Spiny Egg fix, SMB3 JP damage system, World Redux
Super Mario 64: Reduced Lag, Non-Stop
Super Mario RPG: JPN/PAL Button Colors, Reworked Text
Mario & Wario: Controller hack
Paper Mario 2: Improvements
Mario Kart Super Circuit: Color hack, Restoration hack
Super Mario Advance: Color restoration, Voice removal, Boss restoration
Super Mario Advance 2: Color restoration, Voice removal, Instrument restoration
Super Mario Advance 3: Color restoration, Voice removal
Super Mario Advance 4: Color restoration, Voice removal, E-Reader levels
The Legend of Zelda
Zelda 1: Redux
Zelda 2: Redux (WIP)
A Link to the Past: Redux
Link's Awakening DX: Redux, Super Awakening
Ocarina of Time: Redux
Majora's Mask: Redux
Oracle of Ages: Force GBA mode + GBC palette
Oracle of Seasons: Force GBA mode + GBC palette
Minish Cap: Fix for European version
Wind Waker: Better Wind Waker
Phantom Hourglass: D-Pad hack
Spirit Tracks: D-Pad Hack
Majora's Mask 3D: Project Restoration
BS Zelda: Mottzilla Project
BS Zelda Ancient Stone Tablets: Patches for Week 1-4
Tingle's Balloon Trip: Translation
Zelda 2: Redux (WIP)
A Link to the Past: Redux
Link's Awakening DX: Redux, Super Awakening
Ocarina of Time: Redux
Majora's Mask: Redux
Oracle of Ages: Force GBA mode + GBC palette
Oracle of Seasons: Force GBA mode + GBC palette
Minish Cap: Fix for European version
Wind Waker: Better Wind Waker
Phantom Hourglass: D-Pad hack
Spirit Tracks: D-Pad Hack
Majora's Mask 3D: Project Restoration
BS Zelda: Mottzilla Project
BS Zelda Ancient Stone Tablets: Patches for Week 1-4
Tingle's Balloon Trip: Translation
Metroid
Metroid NES: Metroid + Saving adds Minimap, Savefiles, Beamstacking
Metroid II: Color patch, Map
Super Metroid: Redux
Metroid Fusion: English patch for JP version (which includes Hard and Easy mode)
Metroid Zero Mission: Remove Chozo Statue, Menu Hack
Metroid II: Color patch, Map
Super Metroid: Redux
Metroid Fusion: English patch for JP version (which includes Hard and Easy mode)
Metroid Zero Mission: Remove Chozo Statue, Menu Hack
Fire Emblem
Shadow Dragon NES: Translation
Gaiden: Translation with addendum
Mystery of the Emblem: Translation
Genealogy of Holy War: Project Narga Translation
BS Fire Emblem: Translation
Thracia 776: Translation and QoL
Binding Blade: Translation, Big Enhancement Patch
Blazing Sword: Big Enhancement Patch
Sacred Stones: Big Enhancement Patch
Path of Radiance: English patch for JP version (which includes Maniac Mode)
Shadow Dragon DS: Full content patch
New Mystery: Translation, Old Mystery of the Emblem
Shadows of Valentia: Disable World Map Reinforcements
Tear Ring Saga: Translation
Berwick Saga: Translation
Gaiden: Translation with addendum
Mystery of the Emblem: Translation
Genealogy of Holy War: Project Narga Translation
BS Fire Emblem: Translation
Thracia 776: Translation and QoL
Binding Blade: Translation, Big Enhancement Patch
Blazing Sword: Big Enhancement Patch
Sacred Stones: Big Enhancement Patch
Path of Radiance: English patch for JP version (which includes Maniac Mode)
Shadow Dragon DS: Full content patch
New Mystery: Translation, Old Mystery of the Emblem
Shadows of Valentia: Disable World Map Reinforcements
Tear Ring Saga: Translation
Berwick Saga: Translation
Famicom / Advance Wars
Famicom Wars: Translation
Super Famicom Wars: Translation
Game Boy Wars: Translation
Game Boy Wars Turbo: Translation
Game Boy Wars 2: Translation (Post-game not translated)
Game Boy Wars 3: Menu translation, Improvements
Advance Wars 2: Defense hack
Super Famicom Wars: Translation
Game Boy Wars: Translation
Game Boy Wars Turbo: Translation
Game Boy Wars 2: Translation (Post-game not translated)
Game Boy Wars 3: Menu translation, Improvements
Advance Wars 2: Defense hack
Donkey Kong
Donkey Kong Land: Colorization
Donkey Kong Land 2: DX
Donkey Kong Land 3 (JP version): Translation, Color improvement
Donkey Kong 64: Tag Anywhere
Donkey Kong Land 2: DX
Donkey Kong Land 3 (JP version): Translation, Color improvement
Donkey Kong 64: Tag Anywhere
MOTHER
MOTHER 1 (GBA): Translation + easy ring, Color restoration, Autoboot
EarthBound: MaternalBound Redux
MOTHER 3: Translation
EarthBound: MaternalBound Redux
MOTHER 3: Translation
F-Zero
F-Zero: BS F-Zero DX (it adds the Satellaview tracks and vehicles), MSU-1, Tracks unlocked
F-Zero Climax: Translation
F-Zero GP Legend: e-reader content, Inaccessible Courses added to Story Mode
F-Zero Climax: Translation
F-Zero GP Legend: e-reader content, Inaccessible Courses added to Story Mode
Picross
Mario's Super Picross: Translation
Picross 2: Translation
Pokémon Picross (GBC): Translation
Picross e9: Translation
Club Nintendo Picross: Translation
Club Nintendo Picross Plus: Translation
Picross 2: Translation
Pokémon Picross (GBC): Translation
Picross e9: Translation
Club Nintendo Picross: Translation
Club Nintendo Picross Plus: Translation
Other Nintendo games
NES
Joy Mech Fight: Translation
Startropics: Music fix, No movement delay
The Mysterious Muramase Castle: Translation
SNES
Famicom Detective Club II: Translation
Kirby's Super Star Stacker: Translation
Panel de Pon: Translation
Star Fox 2: Restoration
Sutte Hakkun: Translation
Wrecking Crew 98: Translation
GB/C
Balloon Fight GBC: Translation
Kaeru no Tame ni Kane wa Naru: Translation
Kirby's Dream Land: For colorization, use this patch, then this another one, and finally this third one
Kirby's Dream Land 2: Colorization
Pokémon Trading Card Game 2: Translation
Wario Land 2: Uncensor, Bug Fix
Tetris: Rosy Retrospective, now in color
N64
Custom Robot 64: Translation
Sin & Punishment: Translation
GBA
Densetsu no Starfy 1: Translation
Drill Dozer: EU Multi5
Game & Watch Gallery 4: LCD ghosting removal
Golden Sun: QoL
Kururin Paradise: Translation
Magical Vacation: Translation
Napoleon: Translation
Rhythm Tengoku: Old translation, New WIP translation
NDS
Chibi-Robo Clean Sweep: Translation
Soma Bringer: Translation
Wii
Captain Rainbow: "Good enough" translation (a full one should be released in the near future)
Project Zero 4: Translation
3DS
Flipnote Studios 3D: Online restoration
Wii U
Xenoblade X: QoL and online content preservation
Joy Mech Fight: Translation
Startropics: Music fix, No movement delay
The Mysterious Muramase Castle: Translation
SNES
Famicom Detective Club II: Translation
Kirby's Super Star Stacker: Translation
Panel de Pon: Translation
Star Fox 2: Restoration
Sutte Hakkun: Translation
Wrecking Crew 98: Translation
GB/C
Balloon Fight GBC: Translation
Kaeru no Tame ni Kane wa Naru: Translation
Kirby's Dream Land: For colorization, use this patch, then this another one, and finally this third one
Kirby's Dream Land 2: Colorization
Pokémon Trading Card Game 2: Translation
Wario Land 2: Uncensor, Bug Fix
Tetris: Rosy Retrospective, now in color
N64
Custom Robot 64: Translation
Sin & Punishment: Translation
GBA
Densetsu no Starfy 1: Translation
Drill Dozer: EU Multi5
Game & Watch Gallery 4: LCD ghosting removal
Golden Sun: QoL
Kururin Paradise: Translation
Magical Vacation: Translation
Napoleon: Translation
Rhythm Tengoku: Old translation, New WIP translation
NDS
Chibi-Robo Clean Sweep: Translation
Soma Bringer: Translation
Wii
Captain Rainbow: "Good enough" translation (a full one should be released in the near future)
Project Zero 4: Translation
3DS
Flipnote Studios 3D: Online restoration
Wii U
Xenoblade X: QoL and online content preservation
Castlevania
Castlevania NES: Improved Controls
Castlevania 2: Retranslation + Map
Castlevania 3: Retranslation (for JP ROM), Retranslation (for US ROM), Bug fix, Improved Controls
Super Castlevania IV: Uncensored
Rondo of Blood: PSP translation
Dracula X Chronicles: Black Border
The Adventure: Quick Fix, Autoboot for Konami GB Collection 1
Belmont's Revenge: Speed Hack, Autoboot for Konami GB Collection 2
Legends: Speed Hack
Symphony of the Night: Quality hack
Harmony of Dissonance: Localisation fix
Aria of Sorrow: Translation fix
Dawn of Sorrow: Definitive Edition
Portrait of Ruin: Portrait of Elegance
Castlevania 2: Retranslation + Map
Castlevania 3: Retranslation (for JP ROM), Retranslation (for US ROM), Bug fix, Improved Controls
Super Castlevania IV: Uncensored
Rondo of Blood: PSP translation
Dracula X Chronicles: Black Border
The Adventure: Quick Fix, Autoboot for Konami GB Collection 1
Belmont's Revenge: Speed Hack, Autoboot for Konami GB Collection 2
Legends: Speed Hack
Symphony of the Night: Quality hack
Harmony of Dissonance: Localisation fix
Aria of Sorrow: Translation fix
Dawn of Sorrow: Definitive Edition
Portrait of Ruin: Portrait of Elegance
Sonic
Sonic 2 with Knuckles: Sonic 2 romhack, which adds bunch of Sonic 3 stuff such as insta-shield & Tails' flight to sonic 2. Oh and Knuckles too
Sonic 3 Complete: Tweaks, fixes, and whole bunch of other options, such as change musics or ability to play either just Sonic 3, Sonic & Knuckles, Blue Spheres or whole Sonic 3 & Knuckles
Sonic 3D Blast Director's Cut: by game's original creator, this hack tries to fix some problems by fixing controls, bug fixes, and few new features, like save game. Option to play original game is also included.
Sonic 3 Complete: Tweaks, fixes, and whole bunch of other options, such as change musics or ability to play either just Sonic 3, Sonic & Knuckles, Blue Spheres or whole Sonic 3 & Knuckles
Sonic 3D Blast Director's Cut: by game's original creator, this hack tries to fix some problems by fixing controls, bug fixes, and few new features, like save game. Option to play original game is also included.
Quintet Games
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