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.
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Original game imageClone of New Super Mario Bros. U
A decompilation of New Super Mario Bros. U v1.3.0 US, started with the graphics system.
Stars9
Updated1 month ago
LicenseUnknown
Release2026
Genre: Platform
Theme: —
Sporadic
Clone of Skool Daze
A shared repository of Oric home-computer games, demos, tools and routines by many authors.
Platforms:Oric
Stars9
Updated9 months ago
LicenseUnknown
Release2024
Genre: Action
Theme: —
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Original game imageClone of Super Mario Advance 2: Super Mario World
An experimental Windows static recompilation of Super Mario Advance 2: Super Mario World; you supply your own ROM and BIOS.
Stars9
Updated1 month ago
LicenseUnknown
Release2026
Genre: Platform
Theme: —
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Clone of Joust
A free Joust clone for up to three players, with combos, a random map generator and custom mod support.
Archived
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Original game imageClone of Prehistorik
A JavaScript rewrite of the playable first-level demo from Titus Interactive's 1991 platformer Prehistorik.
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Original game imageClone of Super Lemonade Factory
Official open-source release of the code for Super Lemonade Factory, a puzzle-platformer built with the Flixel engine.
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Original game imageClone of Chuckie Egg
A disassembly of the original 1983 ZX Spectrum game Chuckie Egg, targeting the ZX Spectrum platform.
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Original game imageClone of Inner Worlds
A remake/rebuild of Sleepless Software's 1996 fantasy platformer Inner Worlds, based on its 1.2 retail version.
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Original game imageClone of Balloon Fight
A 2003 remakes-competition entry recreating Nintendo's 1984 Balloon Fight with the original graphics and sound effects.
Platforms:WebWindowsLinux
Stars7
Updated10 years ago
LicenseUnknown
Release2016
Genre: Action
Theme: —
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Original game imageClone of Kirby's Dream Land 3
A disassembly of Kirby's Dream Land 3 for the SNES, supporting both USA and Japanese ROM versions on the author's own framework.
Sporadic
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Original game imageClone of Yoshi's Woolly World
A decompilation project for Yoshi's Woolly World.
Stars7
Updated1 year ago
LicenseUnknown
Release2024
Genre: Platform
Theme: —
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Original game imageClone of Alpha Waves
The original Atari ST source code of Alpha Waves by Christophe de Dinechin, mirrored here after the Atari-Forum community got it compiling.
Active
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Original game imageClone of Back to Skool
A SkoolKit disassembly of the ZX Spectrum game Back to Skool, published as an annotated, browsable source-code site in hex and decimal.
Sporadic
Clone of Pushover
A free, open-source C++/SDL2 puzzle game its developers call a faithful reincarnation of Pushover, toppling dominoes in one chain reaction.
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Original game imageClone of Fantastic Dizzy
A public-domain set of Python scripts for extracting, repacking, and viewing assets from the DOS version of Fantastic Dizzy.
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Original game imageClone of Super Monkey Ball
A Java game based on Neverball, running on Windows, Linux and macOS with Java 8 or later.
Archived
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Original game imageClone of Jill of the Jungle
A discontinued open-source Java engine for Epic MegaGames' Jill of the Jungle trilogy, requiring the original game files.
Active
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Original game imageClone of Skool Daze
A full disassembly of the ZX Spectrum classic Skool Daze, browsable online as annotated HTML documentation.
Platforms:ZX Spectrum
Stars6
Updated3 months ago
LicenseUnknown
Release2015
Genre: Action
Theme: —
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Original game imageClone of Super Mario Advance 4: Super Mario Bros. 3
A Windows static recompilation of Super Mario Advance 4 that runs the Game Boy Advance code natively; needs your own ROM and BIOS.
Stars6
Updated2 months ago
LicenseUnknown
Release2026
Genre: Platform
Theme: —
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Clone of Super Lemonade Factory
An official OUYA port of the co-op puzzle-platformer Super Lemonade Factory, spanning 72 levels across three worlds.
Active
Clone of Toy Story 2: Buzz Lightyear to the Rescue
A static recompilation of the PS1 Toy Story 2 game into a native PC program; you supply your own BIOS and disc.
Stars6
Updated3 months ago
LicenseUnknown
Release2026
Genre: Platform
Theme: —
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Original game imageClone of Mega Man 4
A nearly complete disassembly of Mega Man 4 (US) that reassembles to a byte-identical NES ROM.
Halted
Clone of Crystal Caves
An NES port/clone of the first episode of Apogee's MS-DOS platformer Crystal Caves.
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Original game imageClone of Castlevania: Legacy of Darkness
A work-in-progress recompilation of Castlevania: Legacy of Darkness with desktop and Android builds that need your own ROM.
Stars5
Updated1 month ago
LicenseGPL-3.0
Release2026
Genre: Action
Theme: —
Active
Clone of Donkey Kong
A Z80-to-68000 transcode of the Donkey Kong arcade game for Amiga, aiming for a '100% identical game' with remade music and graphics.
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Original game imageClone of Flappy Bird
A Flappy Bird clone written in C++ with GLFW, the author's first C++ game, targeting Linux and packaged as an AUR package for Arch Linux.
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Clone of Flappy Bird
Floppy Dog is a small Flappy-Bird-style game about a hot dog, made as the author's first game with the Pyxel engine.
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Original game imageClone of Frogger's Adventures: Temple of the Frog
A matching decompilation of the GBA game Frogger's Adventures: Temple of the Frog, building a byte-identical ROM.
Stars5
Updated2 months ago
LicenseUnknown
Release2026
Genre: Platform
Theme: —
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Clone of Hollow Knight: Silksong
An Android launcher that builds a native ARM64 Hollow Knight: Silksong from your own files, with Steam Cloud and achievements.
Stars5
Updated1 month ago
LicenseMIT
Release2026
Genre: Action
Theme: —