Free & Open Source Platformer Games

418 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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Donkey-Kong-Country-3-Disassembly

Clone of Donkey Kong Country 3

A disassembly of Donkey Kong Country 3 for the SNES targeting the MD5-verified USA ROM, built on the author's own SNES ROM Framework.

Platforms:SNES

Stars18

Updated5 years ago

LicenseGPL-3.0

Release2021

Genre: Platform

Theme: —

Active

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Jet Set Willy disassembly

Clone of Jet Set Willy

A full disassembly of the ZX Spectrum version of Jet Set Willy, generated with SkoolKit into an annotated, browsable, buildable form.

Platforms:ZX Spectrum

Stars18

Updated1 month ago

LicenseUnknown

Release2014

Genre: Platform

Theme: —

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OpenLW

Clone of Sonic Lost World

A work-in-progress recreation of Sonic Lost World built from decompilations of the Wii U and PC versions.

Platforms:Windows

Stars18

Updated2 years ago

LicenseUnknown

Release2020

Genre: Platform

Theme: —

Active

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Sonic CD Disassembly

Clone of Sonic CD

An incomplete disassembly of Sega CD's Sonic CD that needs the original game files supplied to build a working ISO.

Platforms:Sega CD

Stars18

Updated24 days ago

LicenseUnknown

Release2025

Genre: Platform

Theme: —

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Space Funky B.O.B.

Clone of B.O.B.

A probably-complete source code release for B.O.B. on the SNES, sourced from romhacking.net.

Platforms:Apple II

Stars18

Updated8 years ago

LicenseUnknown

Release2018

Genre: Platform

Theme: Sci-Fi

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Jet Set Willy 2021 Edition (BBC Micro)

Clone of Jet Set Willy

A reworked disassembly of the 1984 BBC Micro port of Jet Set Willy, fixing bugs and adding features the original never had.

Platforms:BBC Micro

Stars17

Updated2 years ago

LicenseUnknown

Release2021

Genre: Platform

Theme: —

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Manic Miner (BBC)

Clone of Manic Miner

A disassembly and byte-for-byte reassembly of the BBC Micro port of Manic Miner, rebuilt using the ACME assembler.

Platforms:BBC Micro

Stars17

Updated2 years ago

LicenseUnknown

Release2021

Genre: Platform

Theme: Fantasy

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Rusty Bird

Clone of Flappy Bird

A weekend-project Flappy Bird clone in Rust with Bevy, playable in the browser, using open third-party art assets.

Platforms:Web

Stars17

Updated1 year ago

LicenseUnknown

Release2024

Genre: Arcade

Theme: —

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Super Methane Brothers (homebrew edition)

Clone of Super Methane Brothers

A homebrew multi-console port (GameCube, Wii, Switch, 3DS) of the 1993 Amiga gas-trapping action game Super Methane Bros.

Platforms:GameCubeWiiSwitch

Stars16

Updated3 years ago

LicenseGPL-2.0

Release2014

Genre: Platform

Theme: —

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Donald Land (NES) Disassembly

Clone of Donald Land

A complete disassembly of the NES game Donald Land, produced after researching its RAM and level-data format, with a BizHawk Lua script.

Platforms:NES

Stars15

Updated7 years ago

LicenseUnknown

Release2018

Genre: Action

Theme: —

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SuperMarioWar Vita

Clone of Super Mario

Platforms:PSVita

Stars15

Updated5 years ago

LicenseGPL2*

Release2019

Genre: Platform

Theme: —

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ktes2

Clone of Sonic 2

ktes2 is a disassembly-based project built on Sonic the Hedgehog 2 for Sega Genesis, for informational and educational use only.

Platforms:Genesis

Stars15

Updated13 years ago

LicenseUnknown

Release2013

Genre: Platform

Theme: —

Sporadic

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re-Sonic06Demo

Clone of Sonic '06

A recompiled, playable-start-to-finish rebuild of the Sonic '06 tech demo using the ReXGlue SDK.

Platforms:Windows

Stars15

Updated7 months ago

LicenseUnknown

Release2026

Genre: Action

Theme: —

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smb2j-disassembly

Clone of Super Mario Bros.: The Lost Levels

A disassembly of Super Mario Bros. 2 Japan (The Lost Levels), adapted here to build with the CC65 assembler.

Platforms:NES

Stars15

Updated1 year ago

LicenseUnknown

Release2021

Genre: Action

Theme: —

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BioMenace decompilation

Clone of Bio Menace

A work-in-progress decompilation of Bio Menace, matching the original episode 1 executable byte-for-byte; episodes 2-3 aren't done.

Platforms:DOS

Stars14

Updated1 year ago

LicenseGPL-2.0

Release2024

Genre: Platform

Theme: —

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Mega Man 7 Disassembly

Clone of Mega Man 7

Platforms:SNES

Stars13

Updated5 years ago

LicenseGPL-3.0

Release2021

Genre: Platform

Theme: Sci-Fi

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aquastax

Clone of Aquastax

A planned remake of AquaStax built with the Cocos2d-JS framework, now halted and only partially complete.

Platforms:None

Stars13

Updated7 years ago

LicenseMIT

Release2016

Genre: Puzzle

Theme: —

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donkey_kong_arcade

Clone of Donkey Kong

A feature-complete recreation of the 1981 arcade game Donkey Kong for Windows and Linux, built in C++ with Allegro5.

Platforms:Arcade

Stars13

Updated5 years ago

LicenseUnknown

Release2021

Genre: Platform

Theme: —

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flappymacs

Clone of Flappy Bird

A Flappy Bird clone for Emacs, distributed as a MELPA package under the MIT license.

Platforms:Emacs

Stars13

Updated9 years ago

LicenseMIT

Release2014

Genre: Arcade

Theme: —

Archived

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Hocoslamfy

Clone of Flappy Bird

A Flappy Bird-style game about a bee dodging bamboo shoots, built with SDL 1.2 for PC and the OpenDingux handheld under the GPLv2.

Platforms:Linux

Stars12

Updated10 years ago

LicenseUnknown

Release2014

Genre: Arcade

Theme: —

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FlasciiBird

Clone of Flappy Bird

A text-based, ncurses-driven port of Flappy Bird written in Python.

Platforms:Windows

Stars11

Updated3 years ago

LicenseGPL-3.0

Release2014

Genre: Arcade

Theme: —

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Freenukum

Clone of Duke Nukem

A work-in-progress Rust reimplementation of the 1991 DOS game Duke Nukem 1 for Linux, missing some functionality.

Platforms:Linux

Stars11

Updated3 years ago

Licenseother

Release2016

Genre: Platform

Theme: —

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Rex disassembly

Clone of Rex

An annotated, browsable disassembly of the ZX Spectrum version of Rex (1988), built with SkoolKit.

Platforms:ZX Spectrum

Stars11

Updated4 years ago

LicenseUnknown

Release2021

Genre: Platform

Theme: Sci-Fi

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div-pitfall

Clone of Pitfall!

A remake of the Atari 2600 game Pitfall! built with DIV Games Studio, playable in-browser with builds for Windows, Linux, Android, and PSP.

Platforms:WebWindowsLinux

Stars11

Updated10 years ago

LicenseMIT

Release2016

Genre: Arcade

Theme: —

Halted

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spaceroads

Clone of SkyRoads

Platforms:None

Stars11

Updated14 years ago

LicenseUnknown

Release2012

Genre: Platform

Theme: Sci-Fi

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DCNebulous

Clone of Nebulus

Platforms:Dreamcast

Stars10

Updated4 years ago

LicenseUnknown

Release2022

Genre: Arcade

Theme: —

Active

Heart of the Alien Redux

Clone of Another World 2: Heart of the Alien

A from-scratch rewrite of Heart of the Alien for modern systems, requiring the original Sega CD ISO and audio tracks, built with CMake.

Platforms:WindowsLinux

Stars10

Updated3 months ago

LicenseGPL-2.0

Release2016

Genre: Adventure

Theme: —

Sporadic

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shadow-of-the-beast-html5

Clone of Shadow of the Beast

A browser-based HTML5/PixiJS remake recreating the feel of the 1989 Amiga game Shadow of the Beast.

Platforms:Web

Stars10

Updated11 months ago

LicenseApache-2.0

Release2016

Genre: Platform

Theme: Fantasy

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Home-alone-2-NES

Clone of Home Alone 2: Lost in New York

The original NES source code for Home Alone 2: Lost in New York, preserved and publicly shared via @frankcifaldi on Twitter.

Platforms:NES

Stars9

Updated7 years ago

LicenseUnknown

Release2019

Genre: Action

Theme: —

Halted

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KidChameleonRemake

Clone of Kid Chameleon

Platforms:Windows

Stars9

Updated11 years ago

LicenseUnknown

Release2015

Genre: Platform

Theme: —

Halted

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Knight Lore

Clone of Knight Lore

Platforms:TI calculator

Stars9

Updated4 years ago

LicenseUnknown

Release2017

Genre: Action

Theme: Fantasy

Sporadic

Oric-Software

Clone of Skool Daze

A shared repository of Oric home-computer games, demos, tools and routines by many authors.

Platforms:Oric

Stars9

Updated8 months ago

LicenseUnknown

Release2024

Genre: Action

Theme: —

Halted

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XVVVVX

Clone of VVVVVV

An original Xbox port of the puzzle-platformer VVVVVV, built on a Nintendo Switch homebrew fork of the source.

Platforms:Xbox

Stars9

Updated6 years ago

LicenseUnknown

Release2020

Genre: Puzzle

Theme: —

Halted

terrarium

Clone of Terraria

An early-stage, open-source Terraria clone in C++, using Box2D physics and Allegro/SDL for rendering.

Platforms:Linux

Stars9

Updated3 years ago

Licensegpl-2.0+

Release2018

Genre: Action

Theme: Fantasy

Halted

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Chuckie-Egg

Clone of Chuckie Egg

Platforms:None

Stars8

Updated9 years ago

LicenseGPL-3.0

Release2010

Genre: Platform

Theme: —

Halted

Ostrich Riders

Clone of Joust

A free Joust clone for up to three players, with combos, a random map generator and custom mod support.

Platforms:Linux

Stars8

Updated7 years ago

LicenseGPL-3.0

Release2016

Genre: Arcade

Theme: —

Archived

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Prehistorik_js

Clone of Prehistorik

A JavaScript rewrite of the playable first-level demo from Titus Interactive's 1991 platformer Prehistorik.

Platforms:Web

Stars8

Updated4 years ago

LicenseUnknown

Release2022

Genre: Action

Theme: Prehistoric

Halted

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SLF_AIR_SOURCE

Clone of Super Lemonade Factory

Official open-source release of the code for Super Lemonade Factory, a puzzle-platformer built with the Flixel engine.

Platforms:None

Stars8

Updated14 years ago

LicenseUnknown

Release2012

Genre: Puzzle

Theme: —

Halted

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chuckie

Clone of Chuckie Egg

A disassembly of the original 1983 ZX Spectrum game Chuckie Egg, targeting the ZX Spectrum platform.

Platforms:ZX Spectrum

Stars8

Updated2 years ago

LicenseUnknown

Release2019

Genre: Platform

Theme: —

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