Free & Open Source Platformer Games
565 free, open-source platformer games — real clones and remakes you can download, inspect the source of, and modify. Not just free to play: the code itself is open.
Active
Original game image
Original game imageClone of New Super Mario Bros. Wii
A decompilation of New Super Mario Bros. Wii based on the PALv1 binaries that rebuilds the original files byte-for-byte.
Stars136
Updated1 month ago
LicenseUnknown
Release2022
Genre: Platform
Theme: —
Active
Clone of Mega Man X
A static recompilation of SNES Mega Man X into native code, fully playable with an experimental widescreen mode.
Active
Original game image
Original game imageClone of Castlevania: Legacy of Darkness
A work-in-progress recompilation of Castlevania: Legacy of Darkness aimed at stable gameplay, with a settings overlay.
Stars130
Updated1 month ago
LicenseGPL-3.0
Release2026
Genre: Action
Theme: —
Archived
Halted
Active
Clone of Sonic Adventure
A toolkit for extracting and modifying data from the Sonic Adventure series of games.
Platforms:Windows
Stars129
Updated3 months ago
LicenseUnknown
Release2013
Genre: Action
Theme: —
Halted
Clone of Super Mario 64
A no-longer-maintained open-source Super Mario 64 level editor supporting both vanilla and extended ROMs across all major regions.
Sporadic
Original game image
Original game imageClone of Bomberman Hero
Bomberman Hero: Recompiled uses N64: Recompiled to statically recompile Bomberman Hero into a native port, with RT64 as the rendering…
Stars125
Updated6 months ago
LicenseGPL-3.0
Release2026
Genre: Action
Theme: —
Active
Original game image
Original game imageClone of Banjo-Kazooie
A complete (100%) decompilation of Banjo-Kazooie for Nintendo 64, able to rebuild the US, Japanese, and PAL ROMs from source.
Halted
Clone of Even the Ocean
Even the Ocean is Analgesic Productions' open-source narrative platformer about balancing Light and Dark energy to save Whiteforge City.
Sporadic
Clone of Flappy Bird
Flappy Bird for Gymnasium is a Python package wrapping Flappy Bird as a reinforcement-learning environment for Gymnasium.
Active
Original game image
Original game imageClone of Super Mario 64
The README says big performance updates and multiplayer for more than two players are coming soon.
Stars113
Updated1 month ago
LicenseUnknown
Release2026
Genre: Platform
Theme: —
Active
Original game image
Original game imageClone of Donkey Kong Country 3
A work-in-progress native recompilation of Donkey Kong Country 3 for SNES with widescreen; needs your own ROM.
Stars111
Updated1 month ago
LicenseMIT
Release2026
Genre: Platform
Theme: —
Halted
Clone of Super Mario 3D Land
RedPepper is a decompilation of the EU version of Super Mario 3D Land.
Stars108
Updated1 year ago
LicenseGPL-3.0
Release2022
Genre: Platform
Theme: —
Halted
Clone of Nebulus
An HTML5 homage to Nebulus's rotating-tower platforming, MIT-licensed but development halted at a semi-complete stage.
Active
Clone of Super Mario World
A static recompilation of Super Mario World (SNES) to native C on snesrecomp; the README calls it believed fully playable.
Stars104
Updated1 month ago
LicenseUnknown
Release2026
Genre: Platform
Theme: —
Active
Clone of Knytt Stories
An open-source Godot/C# remake of the platformer Knytt Stories, with 1,200+ downloadable community levels.
Platforms:WebWindowsLinux
Stars104
Updated3 months ago
LicenseUnknown
Release2020
Genre: Platform
Theme: —
Active
Clone of Banjo-Kazooie
Banjo-Kazooie recompiled for Android handhelds, with controller support and a dual-screen companion display.
Stars103
Updated4 months ago
LicenseGPL-3.0
Release2026
Genre: Adventure
Theme: —
Sporadic
Original game image
Original game imageClone of Space Station Silicon Valley
A native port of Space Station Silicon Valley made by static recompilation, with widescreen and high framerate.
Stars99
Updated6 months ago
LicenseUnknown
Release2026
Genre: Platform
Theme: —
Active
Clone of Meikyuujou Hydra
This version of Hydra Castle Labyrinth adds SDL support and targets Linux, handheld hardware, and a browser build via Emscripten.
Platforms:WebLinuxAmiga
Stars96
Updated3 months ago
LicenseGPL-2.0
Release2017
Genre: Action
Theme: Fantasy
Active
Original game image
Original game imageClone of Super Paper Mario
A partial decompilation of Super Paper Mario targeting the PAL versions; needs your own disc image.
Stars96
Updated1 month ago
LicenseCC0-1.0
Release2020
Genre: Platform
Theme: —
Halted
Original game image
Original game imageClone of Metroid
A reworked NES Metroid disassembly that uses the MMC3 memory controller, meant as a base for mods.
Halted
Original game image
Original game imageClone of Crash Bandicoot 2: Cortex Strikes Back
C2C is a project to reverse engineer Crash Bandicoot 2: Cortex Strikes Back and eventually have a complete port to C.
Stars94
Updated6 years ago
LicenseUnknown
Release2015
Genre: Platform
Theme: —
Halted
Original game image
Original game imageClone of Super Mario Galaxy
An in-development matching decompilation of Super Mario Galaxy, in which all code compiles 1:1 to the original game when using the original…
Stars94
Updated5 years ago
LicenseUnknown
Release2019
Genre: Platform
Theme: —
Active
Original game image
Original game imageClone of Super Mario 64
A work-in-progress decompilation of the N64 emulator used in Wii Virtual Console releases such as Ocarina of Time.
Stars93
Updated2 months ago
LicenseUnknown
Release2020
Genre: Platform
Theme: —
Active
Halted
Clone of MegaMan
A browser-playable JavaScript clone of NES Mega Man, with 14 enemy types and three largely complete levels, still in progress.
Active
Clone of Mischief Makers
A native PC static recompilation of the N64 game Mischief Makers (US 1.1) with widescreen support; you supply your own ROM.
Stars91
Updated1 month ago
LicenseGPL-3.0
Release2026
Genre: Platform
Theme: —
Sporadic
Clone of Pizza Tower
A near-accurate Pizza Tower decompilation that opens as a GameMaker project, for modders; needs a Steam copy of the game.
Stars88
Updated9 months ago
LicenseCC-BY-4.0
Release2023
Genre: Platform
Theme: —
Active
Active
Clone of Lionheart
Lionheart Remake is a cross-platform remake of the 1993 Amiga game Lionheart, for Windows, Linux, macOS, and Android, still in development.
Active
Clone of Super Mario
Mario Objects is a Mario-inspired platformer and level editor, rewritten in 2026 as a macOS Swift app with 9 levels.
Halted
Clone of Tomb Raider
A from-scratch rewrite of the classic Tomb Raider engine that plays TR1–TR3 levels and custom maps using your own game files.
Active
Clone of Duke Nukem
Dave Gnukem is a retro 2D platform shooter inspired by, but not a clone of, Duke Nukem 1, packaged in most major Linux distros.
ActiveOriginal game image
Original game imageClone of Crash Bandicoot 2: Cortex Strikes Back
Translates the PlayStation game Crash Bandicoot 2 to native code that you build locally from your own disc image.
Stars83
Updated1 month ago
LicenseUnknown
Release2026
Genre: Platform
Theme: —
Active
Clone of Mega Man X4
A static recompilation of the PS1's Mega Man X4 into a native PC executable, currently an early playable v0.0.5-alpha preview.
Active
Original game image
Original game imageClone of Sonic Advance 3
A work-in-progress matching decompilation of the Game Boy Advance game Sonic Advance 3.
Halted
Original game image
Original game imageClone of The Lost Vikings
A public-domain toolset for extracting, viewing, and decompiling the DOS data files of The Lost Vikings and Blackthorne, tested on Linux.
Active
Clone of Ape Escape
An in-development static recompilation of Ape Escape (USA) to a native PC executable using PSXRecomp.
Stars81
Updated1 month ago
LicenseUnknown
Release2026
Genre: Platform
Theme: —