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
Original game image
Original game imageClone of Yoshi's Story
A work-in-progress decompilation of Yoshi's Story (US).
Stars78
Updated6 months ago
LicenseUnknown
Release2022
Genre: Platform
Theme: —
Archived
Original game image
Original game imageClone of Sonic Advance
A work-in-progress matching decompilation of Sonic Advance for the Game Boy Advance.
Stars77
Updated7 months ago
LicenseUnknown
Release2023
Genre: Platform
Theme: —
Sporadic
Halted
Original game image
Original game imageClone of Donkey Kong Country 2
A disassembly project for Donkey Kong Country 2 on the SNES, documenting the code with internal labeling and naming conventions.
Active
Clone of Mega Man X6
A static recompilation of Mega Man X6 (PS1) into a native Windows program, with experimental widescreen and opt-in mods.
Active
Original game image
Original game imageClone of Mischief Makers
An in-progress matching decompilation of Treasure's Nintendo 64 platformer Mischief Makers.
Active
Original game image
Original game imageClone of Banjo-Tooie
An independent alpha recompilation of Banjo-Tooie for Windows PCs, powered by RT64 and made with AI.
Stars71
Updated1 month ago
LicenseGPL-3.0
Release2026
Genre: Platform
Theme: —
Halted
Clone of Gunpoint
Clonepoint is a free, open-source clone of Gunpoint for Linux and Windows, with custom level support via the Tiled map editor.
Active
Clone of Hollow Knight: Silksong
An Android port of Hollow Knight: Silksong with dual-screen menus, built on-device from your own game files.
Stars71
Updated1 month ago
LicenseMIT
Release2026
Genre: Action
Theme: —
Halted
Active
Clone of Super Mario Galaxy 2
A work-in-progress decompilation of Super Mario Galaxy 2 (USA Rev 0); needs your own copy of the game.
Stars70
Updated1 month ago
LicenseCC0-1.0
Release2024
Genre: Platform
Theme: —
Archived
Clone of Another World
An archived JavaScript/HTML5 reimplementation of Another World that interprets the original game's own bytecode, with a rewind feature.
Halted
Clone of Celeste Classic
A Game Boy Advance port of Celeste Classic 2 aiming for gameplay identical to the original, with only minor graphical changes.
Halted
Original game image
Original game imageClone of Super Mario Land
A partial disassembly of Super Mario Land (Rev A) for the Game Boy, with a script that tracks coverage.
Stars69
Updated4 years ago
LicenseUnknown
Release2018
Genre: Platform
Theme: —
Sporadic
Clone of Cosmo's Cosmic Adventure
Cosmo-Engine is a new game engine built with CMake and SDL2/SDL_mixer for playing Cosmo's Cosmic Adventure.
Active
Original game image
Original game imageClone of Metroid Fusion
A work-in-progress decompilation of Metroid Fusion. The README lists 3147 of 3607 functions decompiled (87.24%) and builds the US ROM…
Stars66
Updated1 month ago
LicenseMIT
Release2023
Genre: Platform
Theme: —
Halted
Original game image
Original game imageClone of Super Mario 64
An OpenGL adaptation of the n64decomp sm64 decompilation that lets you play SM64 natively without an emulator.
Stars66
Updated5 years ago
LicenseUnknown
Release2020
Genre: Platform
Theme: —
Halted
Clone of Another World
Another World Suite is a Rust implementation of the Another World game engine, compiled to WebAssembly to run in a browser.
Active
Clone of Dangerous Dave in the Haunted Mansion
Dangerous Dave 2: Modification Edition is an open-source, customizable remake built as a moddable shell for content packs.
Halted
Clone of Glypha III
This repository contains the official source code for Glypha III, a shareware game originally written for early-1990s Macintosh.
Sporadic
Active
Original game image
Original game imageClone of Space Station Silicon Valley
A work-in-progress decompilation of the N64 Space Station Silicon Valley, requiring a legally owned ROM.
Halted
Clone of Alien 3
This repository preserves Michael J Archer's complete 6502 assembly source code for the Commodore 64 version of Alien 3.
Active
Original game image
Original game imageClone of Castlevania
A work-in-progress decompilation of Castlevania for the Nintendo 64. It aims to rewrite C code that compiles to the assembly found in the…
Stars63
Updated1 month ago
LicenseUnknown
Release2023
Genre: Action
Theme: Horror
ActiveOriginal game image
Original game imageClone of Castlevania
A work-in-progress decompilation of Castlevania for the Nintendo 64 that needs your own legally obtained ROM.
Stars63
Updated1 month ago
LicenseUnknown
Release2023
Genre: Action
Theme: Horror
Halted
Original game image
Original game imageClone of Super Monkey Ball
A work-in-progress disassembly/decompilation of the program code of the NTSC-U version of Super Monkey Ball (GMBE8P).
Stars63
Updated3 years ago
LicenseUnknown
Release2021
Genre: Arcade
Theme: —
Active
Original game image
Original game imageClone of New Super Mario Bros.
An early-stage decompilation of New Super Mario Bros. that cannot yet be compiled into a full ROM.
Stars62
Updated2 months ago
LicenseCC0-1.0
Release2025
Genre: Platform
Theme: —
Active
Clone of Tomba!
A static recompilation of the PS1 game Tomba! into a native PC executable, using your own legally obtained disc.
Archived
Clone of The Blues Brothers
Blues is a from-scratch rewrite of the engines behind The Blues Brothers, with added Prehistorik 2 support.
Sporadic
Original game image
Original game imageClone of Bomberman Hero
Bomberman Hero (US) is a work-in-progress decompilation of the N64 game, rebuilding its ROM from source rather than emulating or cloning it.
Platforms:N64
Stars60
Updated6 months ago
LicenseUnknown
Release2023
Genre: Action
Theme: —
Halted
Clone of Spelunky Classic
A browser-playable WebAssembly/PWA build of Spelunky Classic HD, ported from its GameMaker source.
Halted
Halted
Original game image
Original game imageClone of Sonic the Hedgehog 2 (8-bit video game)
A full disassembly of the 8-bit Sonic the Hedgehog 2 (Master System/Game Gear) code, shared for non-commercial use only.
Halted
Clone of Flappy Bird
A JavaScript clone of Flappy Bird built with the Canvas 2D API, released under the MIT license.
Halted
Clone of Soldat
A Rust-based open-source clone of the Soldat game engine, aiming for a feature-complete authentic port.
Halted
Original game image
Original game imageClone of Manic Miner
An improved BBC Micro build of Manic Miner, disassembled and optimized to match the original ZX Spectrum version more closely.
Active
Clone of Flashback
REinforced is an enhanced fork of the Flashback engine re-implementation REminiscence, adding Russian-language support.
Halted
Clone of Gish
A port of the platformer Gish to Android using SDL2 and OpenAL, with touch controls and a choice of renderer.
Halted
Clone of Altered Beast
Released C64 source code for Altered Beast, credited to Michael J Archer, following his earlier Alien 3 source code release.
Platforms:C64
Stars53
Updated7 years ago
LicenseUnknown
Release2019
Genre: Action
Theme: —