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.
Sporadic
Clone of Marble Blast Ultra
A community revival of the Xbox 360 game Marble Blast Ultra for Windows, adding controller options and fan-made content.
Archived
Clone of Celeste Classic
ccleste is a portable, hand-translated C port of Celeste Classic's PICO-8 code, targeting PC and 3DS.
Halted
Original game image
Original game imageClone of Crash Bandicoot
A work-in-progress C port of Crash Bandicoot that compiles for PC, with 100% of the code ported and 78% of functionality.
Stars249
Updated2 years ago
LicenseUnknown
Release2022
Genre: Platform
Theme: —
Active
Clone of Crash Bandicoot
An unofficial fan project that statically recompiles Crash Bandicoot (PS1) into a native PC and Android build.
Stars243
Updated1 month ago
LicenseMIT
Release2026
Genre: Platform
Theme: —
Active
Original game image
Original game imageClone of Sly Cooper and the Thievius Raccoonus
A work-in-progress, function-matching decompilation of the PS2 game Sly Cooper and the Thievius Raccoonus.
Halted
Original game image
Original game imageClone of Super Mario Bros. 3
A byte-for-byte disassembly of Super Mario Bros. 3 that reassembles into the original NES ROM via NESASM.
Halted
Original game image
Original game imageClone of Sonic Runners
A faithful Unity decompilation of 2015's mobile game Sonic Runners, with online integrations removed and content that can load locally.
Platforms:WindowsLinuxOSX
Stars241
Updated3 years ago
LicenseUnknown
Release2020
Genre: Action
Theme: —
Archived
Original game image
Original game imageClone of Conker's Bad Fur Day
A work-in-progress, now-archived decompilation of Conker's Bad Fur Day into byte-matching C code, requiring the player's own N64 ROM.
Halted
Clone of Flappy Bird
FlappyVird is a Flappy Bird clone implemented as a Vim plugin, released under the MIT license.
Active
Original game image
Original game imageClone of Kirby 64: The Crystal Shards
A work-in-progress decompilation of Kirby 64: The Crystal Shards that requires the original game.
Stars231
Updated1 month ago
LicenseUnknown
Release2020
Genre: Platform
Theme: —
Sporadic
Original game image
Original game imageClone of Contra
An annotated, byte-for-byte disassembly of Contra's US NES ROM with cc65 build scripts and extensive supplemental documentation.
Active
Original game image
Original game imageClone of Donkey Kong Country
A static recompilation of Donkey Kong Country (SNES) into a native desktop app with widescreen; needs your own ROM.
Stars223
Updated1 month ago
LicenseMIT
Release2026
Genre: Platform
Theme: —
Active
Clone of Mario World
An open-source 2D platformer with its own art and a scripting-capable level editor, forked from Secret Maryo Chronicles.
Platforms:WindowsLinuxRaspberry Pi
Stars223
Updated3 months ago
LicenseGPL-3.0
Release2012
Genre: Platform
Theme: —
Active
Clone of Conker's Bad Fur Day
A native PC port of Conker's Bad Fur Day made by statically recompiling the N64 US ROM, with widescreen and mod support.
Stars222
Updated1 month ago
LicenseMIT
Release2026
Genre: Platform
Theme: —
Archived
Clone of Another World
rawgl is a re-implementation of Another World's game engine, supporting most original platform releases and data files.
Active
Clone of Sonic Unleashed
An experimental Android port of Unleashed Recompiled, running the Xbox 360 Sonic Unleashed via static recompilation.
Stars207
Updated1 month ago
LicenseGPL-3.0
Release2026
Genre: Platform
Theme: —
Active
Clone of Marble Blast
MBHaxe is an actively developed Haxe port of Marble Blast Gold, Ultra, Platinum, and PlatinumQuest, running in-browser and native builds.
Halted
Clone of Cave Story
A fork of NXEngine, the open-source Cave Story engine rewrite, ported to low-powered handhelds and phones.
Sporadic
Clone of Cave Story
CSE2 is a decompilation of Cave Story; this portable branch runs on Linux, macOS, Wii U, 3DS, and RISC OS in addition to Windows.
Halted
Clone of Mario World
An open-source, OpenGL-accelerated 2D platformer with a built-in level editor; development has since moved to its successor, TSC.
Active
Clone of Duck Game
Duck Game Rebuilt is a C#/.NET decompilation of Duck Game with improved performance, compatibility, and quality-of-life features.
Platforms:WindowsLinux
Stars191
Updated4 months ago
LicenseUnknown
Release2022
Genre: Action
Theme: —
Active
Clone of SpongeBob SquarePants: Battle for Bikini Bottom
A work-in-progress decompilation of SpongeBob SquarePants: Battle for Bikini Bottom.
Stars189
Updated2 months ago
LicenseCC0-1.0
Release2020
Genre: Platform
Theme: —
Active
Clone of Sly Cooper and the Thievius Raccoonus
A Windows PC port of the NTSC release of Sly Cooper and the Thievius Raccoonus; the README says the full game is playable.
Stars188
Updated1 month ago
LicenseUnknown
Release2023
Genre: Platform
Theme: —
Active
Original game image
Original game imageClone of Super Mario 64
A Nintendo DSi port of the Super Mario 64 decompilation, with hardware-specific rendering and audio code.
Stars180
Updated4 months ago
LicenseCC0-1.0
Release2021
Genre: Platform
Theme: —
Active
Original game image
Original game imageClone of Super Mario World
A readable disassembly of Super Mario World that assembles the J, U and two E releases plus the Super System arcade version.
Stars179
Updated2 months ago
LicenseUnknown
Release2018
Genre: Platform
Theme: —
Active
Clone of Spyro the Dragon
A project that aims to decompile Spyro the Dragon into source code that builds a byte-for-byte matching executable (PSX.EXE).
Stars174
Updated1 month ago
LicenseCC0-1.0
Release2025
Genre: Platform
Theme: —
Active
Active
Clone of Elasto Mania
X-Moto is an open-source, physics-based 2D motocross platformer with online world-record replays and custom levels.
Platforms:WindowsLinuxOSX
Stars162
Updated2 months ago
LicenseGPL-2.0
Release2017
Genre: Platform
Theme: —
Active
Original game image
Original game imageClone of Yoshi's Island
A complete, byte-for-byte disassembly of Yoshi's Island's SNES code -- CPU, Super FX, and sound -- verified against a clean US ROM.
Platforms:SNES
Stars160
Updated2 months ago
LicenseUnknown
Release2016
Genre: Action
Theme: —
Halted
Original game image
Original game imageClone of Spelunky Classic
A ground-up C++/OpenGL rewrite of Spelunky Classic, ported natively to PSP, Android, and desktop.
Active
Original game image
Original game imageClone of Kirby & the Amazing Mirror
A disassembly of the USA version of Kirby & The Amazing Mirror that builds a katam.gba ROM.
Stars158
Updated1 month ago
LicenseUnknown
Release2020
Genre: Platform
Theme: —
Halted
Clone of Abuse
A fork of the Abuse SDL2 port adding OpenGL rendering, high-res images, cheat console, and Xbox 360 controller support for Windows.
Halted
Original game image
Original game imageClone of Heart of Darkness
A reimplementation of the Heart of Darkness engine, requiring your own copy of the original game's Windows data files to run.
Platforms:WindowsLinuxAndroid
Stars151
Updated2 years ago
LicenseUnknown
Release2019
Genre: Platform
Theme: —
Active
Original game image
Original game imageClone of Donkey Kong Country 2
A static recompilation of Donkey Kong Country 2 (SNES) for Windows and macOS; needs your own North American ROM.
Stars148
Updated1 month ago
LicenseMIT
Release2026
Genre: Platform
Theme: —
Sporadic
Original game image
Original game imageClone of Banjo-Tooie
A decompilation project for Banjo Tooie that builds a ROM from your own NTSC-U copy.
Stars143
Updated11 months ago
LicenseUnknown
Release2023
Genre: Platform
Theme: —
Halted
Clone of Cosmo's Cosmic Adventure
A reconstruction of Cosmo's Cosmic Adventure v1.20 source code, measured at 96.30% byte-for-byte accuracy against the original DOS binary.
Halted
Archived
Original game image
Original game imageClone of Super Mario
The archived source code release for version 1.3 of this fan-made platform game, which includes a custom level editor.
Active
Original game image
Original game imageClone of Commander Keen Series
A Chocolate-Doom-inspired family of DOS source ports covering Keen Dreams, Catacomb 3-D, Wolfenstein 3D, and BioMenace.
Platforms:WindowsLinuxOSX
Stars137
Updated3 months ago
LicenseUnknown
Release2014
Genre: Platform
Theme: —