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
Clone of Mega Man 3
A static recompilation of Mega Man 3 (NES) into a native PC executable; an in-development preview where boss fights remain untested.
Halted
Clone of Super Mario Bros.
An eight-stage browser platformer based on Super Mario Bros., with a trimmed enemy roster.
Platforms:Web
Stars5
Updated1 year ago
LicenseUnknown
Release2023
Genre: Action
Theme: —
Active
Clone of Nebulus
A from-scratch SDL2 reimplementation of the platformer Nebulus (aka Tower Toppler), with a built-in level editor.
Halted
Original game image
Original game imageClone of Wario World
A work-in-progress decompilation of the US GameCube version of Wario World.
Stars5
Updated1 year ago
LicenseUnknown
Release2024
Genre: Platform
Theme: —
Active
Original game image
Original game imageClone of Banjo-Kazooie
A native Banjo-Kazooie port made by static recompilation, with high framerate, widescreen and mod support.
Stars4
Updated2 months ago
LicenseGPL-3.0
Release2026
Genre: Adventure
Theme: —
Halted
Clone of Flappy Bird
A Flappy-Bird-style game written in Rust with a custom physics engine, playable in-browser via WebAssembly or as a desktop build.
Sporadic
Sporadic
Original game image
Original game imageClone of Sonic Generations
A work-in-progress decompilation of Sonic Generations (2011) for PC; it contains no game assets.
Stars4
Updated11 months ago
LicenseCC0-1.0
Release2025
Genre: Platform
Theme: —
Halted
Clone of Speedy Gonzales: Los Gatos Bandidos
A full disassembly of the SNES game Speedy Gonzales: Los Gatos Bandidos, supporting both USA ROM revisions.
Platforms:SNES
Stars4
Updated5 years ago
LicenseGPL-3.0
Release2021
Genre: Action
Theme: —
Halted
Active
Original game image
Original game imageClone of Wario Land: Super Mario Land 3
A static recompilation study and native PC port of Wario Land: Super Mario Land 3 with native widescreen; needs your own ROM and patch.
Stars4
Updated1 month ago
LicenseMIT
Release2026
Genre: Platform
Theme: —
Active
Halted
Original game image
Original game imageClone of Super Monkey Ball
A very early-stage decompilation of Monkey Ball for the Sega NAOMI arcade system, whose build instructions remain TODO and unplayable.
Halted
Original game image
Original game imageClone of Booty
A 2023 remake of the pirate-themed platformer Booty for the Amstrad CPC 464/6128, built with the CPCtelera toolkit.
HaltedOriginal game image
Original game imageClone of Booty
A 2019 remake of the pirate-themed platformer Booty for the ZX Spectrum 128k, built with the Mojon Twins' MK/2 engine.
Halted
Clone of Celeste Classic
An in-progress port of Celeste Classic to the Arduino-based Gamebuino META handheld, also playable in the browser.
Active
Clone of Kula World
A static recompilation of Kula World that builds the game on your Windows PC from your own disc image.
Stars3
Updated1 month ago
LicenseGPL-3.0
Release2026
Genre: Platform
Theme: —
Active
Sporadic
Original game image
Original game imageClone of Sonic the Hedgehog 4: Episode I
A decompilation project for the Windows Phone version of Sonic the Hedgehog 4: Episode I.
Sporadic
Clone of Super Mario
A collection of Saturn-assembly HP48/49/50 calculator games from 1995-1998, including tributes to Mario, Zelda, Arkanoid, and F-Zero.
Halted
Original game image
Original game imageSporadic
Clone of Castlevania
pyxelvania is a small Castlevania-inspired platform game built with the Pyxel game engine.
Halted
Platforms:WindowsLinuxOSX
Stars3
Updated3 years ago
LicenseUnknown
Release2017
Genre: Action
Theme: Fantasy
Active
Original game image
Original game imageClone of 'Splosion Man
Native Linux and Windows static recompilation ports of the Xbox 360 game 'Splosion Man; you supply your own game copy.
Stars2
Updated1 month ago
LicenseUnknown
Release2026
Genre: Action
Theme: —
Sporadic
Clone of Another World
An assembly-language port of Another World to the 8-bit Commander X16, requiring the player to supply the original MS-DOS data files.
Archived
Original game image
Original game imageClone of Flappy Bird
A small Flappy Bird-style game for the ZeroSeg 7-segment LED display on Raspberry Pi, distributed as a pip package; now archived.
Halted
Original game image
Original game imageClone of The Adventures of Captain Comic
A minimal NES-targeted remake of The Adventures of Captain Comic, provided as assembly source runnable in the 8bitworkshop browser IDE.
Sporadic
Original game image
Original game imageClone of DuckTales
A disassembly of the Game Boy version of DuckTales, requiring your own graphical data and a Nintendo logo binary to build.
Platforms:Game Boy
Stars2
Updated7 months ago
LicenseUnknown
Release2025
Genre: Action
Theme: —
Halted
Clone of Elevator Action
A 3D reimagining of Elevator Action built in Unreal Engine 4, using licensed third-party asset packs instead of the original game's artwork.
SporadicOriginal game image
Original game imageClone of Flappy Bird
A decompilation of the Flappy Bird app for Windows Phone, currently marked unplayable.
HaltedOriginal game image
Original game imageClone of Flappy Bird
An iOS clone of Flappy Bird described by its author as a 'very close clone,' supporting iOS 10-13.x on A6-A13 chip devices.
Active
Clone of Gumshoe
A static recompilation of the NES game Gumshoe for native PC, playable end-to-end with a known cosmetic HUD rendering bug.
Archived
Halted
Original game image
Original game imageClone of Jet Set Willy
A disassembly/reassembly of the BBC Micro version of Jet Set Willy, reproducing an existing release byte-for-byte with the ACME assembler.
Halted
Clone of Metroid
A compact browser take on Metroid: collect items, beat Kraid and Ridley, then defeat Mother Brain.
Halted
Clone of Nodes of Yesod
An unfinished C#/XNA remake of the 1985 game Nodes of Yesod, started in 2009.
Halted
Clone of Spider-Man and the X-Men in Arcade's Revenge
A full disassembly of the SNES USA release of Spider-Man and the X-Men in Arcade's Revenge.
Platforms:SNES
Stars2
Updated5 years ago
LicenseGPL-3.0
Release2021
Genre: Action
Theme: —
Active
Original game image
Original game imageClone of Stretch Panic
A matching decompilation of Stretch Panic for PlayStation 2, about 2.58 % of game code matched; needs your own copy.
Stars2
Updated1 month ago
LicenseMIT
Release2026
Genre: Platform
Theme: —
Halted
Clone of Super Lemonade Factory
A Game Boy-styled puzzle-platformer with six playable locations and characters, and a soundtrack posted on Bandcamp.