Cloned Games

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.

Halted
Project Carrot screenshot
Project Carrot

Clone of Jazz Jackrabbit 2

A from-scratch Jazz Jackrabbit 2 engine clone requiring extracted original assets, built with Qt, SFML, and BASS.
Platforms:Windows
Stars39
Updated9 years ago
LicenseMIT
Release2014
Genre: Platform
Theme: —
Halted
ReTux screenshot
ReTux

Clone of Super Mario

A public-domain platformer clone in Python inspired by Super Mario Bros., run from source or a frozen executable.
Platforms:WindowsLinux
Stars39
Updated2 years ago
LicenseGPL-3.0
Release2020
Genre: Platform
Theme: —
Halted
Super Mario Bros. 3Mix screenshot
Super Mario Bros. 3Mix

Clone of Super Mario Bros. 3

A full-scale Super Mario Bros. 3 ROM hack that borrows gameplay ideas from later games, built with the NESASM assembler.
Platforms:NES
Stars39
Updated8 years ago
LicenseUnknown
Release2017
Genre: Platform
Theme: —
Halted
No preview
smb1-disasm

Clone of Super Mario Bros.

Platforms:NES
Stars39
Updated4 years ago
LicenseUnknown
Release2020
Genre: Action
Theme: —
Halted
Xargon (SDL) screenshot
Xargon (SDL)

Clone of Xargon

An SDL port of the DOS platformer Xargon that plays with the original freeware data files.
Platforms:Linux
Stars37
Updated11 years ago
LicenseUnknown
Release2011
Genre: Platform
Theme: Fantasy
Sporadic
No preview
Deadly Dave

Clone of Dangerous Dave

Deadly Dave is an open-source implementation of Dangerous Dave replicating its original look and feel, with sporadic development.
Platforms:WindowsLinux
Stars36
Updated7 months ago
LicenseGPL-3.0
Release2020
Genre: Platform
Theme: —
Halted
No preview
Sonic 1 J2ME Decompilation

Clone of Sonic the Hedgehog

A decompilation of the 2005 Java mobile port of Sonic the Hedgehog, currently unbuildable and obfuscated.
Platforms:Mobile
Stars36
Updated5 years ago
LicenseUnknown
Release2020
Genre: Platform
Theme: —
Archived
No preview
sadx_decomp

Clone of Sonic Adventure

An archived, unplayable project aiming to decompile Sonic Adventure DX: Director's Cut's Windows executable and DLLs.
Platforms:Windows
Stars35
Updated13 years ago
LicenseUnknown
Release2013
Genre: Action
Theme: —
Halted
No preview
xrick

Clone of Rick Dangerous

A reverse-engineered C clone of the 1989 platformer Rick Dangerous, ported across many classic and modern platforms.
Platforms:WebWindowsLinux
Stars35
Updated7 years ago
LicenseUnknown
Release2015
Genre: Platform
Theme: —
Halted
No preview
Mega Man 5 (NES) Disassembly

Clone of Mega Man 5

A complete disassembly of the NTSC-U Mega Man 5 (NES) ROM that reassembles byte-for-byte via the bundled xkas-plus build.
Platforms:NES
Stars34
Updated2 years ago
LicenseUnknown
Release2017
Genre: Platform
Theme: Sci-Fi
Halted
No preview
OpenHCL

Clone of Meikyuujou Hydra

A fan-made port of Buster's Hydra Castle Labyrinth to 3DS, PSP, PS Vita and Wii homebrew.
Platforms:Wii3DSPSP
Stars34
Updated3 years ago
LicenseGPL-3.0
Release2020
Genre: Action
Theme: Fantasy
Halted
Contra_remake screenshot
Contra_remake

Clone of Contra

Contra_remake is a student project recreating just Contra's first level, built in C++ using a game engine from the author's teacher.
Platforms:Windows
Stars33
Updated9 years ago
LicenseGPL-2.0
Release2013
Genre: Platform
Theme: —
Halted
OpenTitus screenshot
OpenTitus

Clone of Titus the Fox

An open-source engine for Titus the Fox and Moktar that runs the original game files, with movement matching the original.
Platforms:Windows
Stars33
Updated5 years ago
LicenseUnknown
Release2012
Genre: Platform
Theme: —
Halted
Super Mario War Wii screenshot
Super Mario War Wii

Clone of Super Mario

A Wii port of Super Mario War, the fan-made Mario deathmatch game, built on a heavily rewritten SDL Wii.
Platforms:Wii
Stars33
Updated11 years ago
LicenseUnknown
Release2015
Genre: Platform
Theme: —
Sporadic
Super Mario War NX Switch screenshot
Super Mario War NX Switch

Clone of Super Mario

A homebrew Switch port of Super Mario War, the fan-made Mario deathmatch game, with experimental cross-platform play.
Platforms:Switch
Stars32
Updated8 months ago
LicenseUnknown
Release2019
Genre: Platform
Theme: —
Halted
No preview
Metroid Disassembly

Clone of Metroid

A cleaned-up disassembly of NES Metroid that reassembles the game's eight banks and checks them against the original.
Platforms:NES
Stars31
Updated1 year ago
LicenseUnknown
Release2019
Genre: Adventure
Theme: —
Sporadic
No preview
Mario-Bros.-Dis

Clone of Mario Bros.

Mario-Bros.-Dis is a byte-to-byte accurate disassembly of NES Mario Bros., covering NTSC, PAL, and GameCube variants.
Platforms:NES
Stars30
Updated3 months ago
LicenseUnknown
Release2018
Genre: Action
Theme: —
Halted
No preview
s3ddisasm

Clone of Sonic 3D Blast

A disassembly of Sonic 3D Blast for the Sega Genesis, shared for educational, non-commercial reference only.
Platforms:Genesis
Stars30
Updated13 years ago
LicenseUnknown
Release2013
Genre: Platform
Theme: —
Halted
Cubosphere screenshot
Cubosphere

Clone of Kula World

Cubosphere is a freeware game similar to Kula World, offering over 450 levels across 34 designs and a built-in level editor.
Platforms:Linux
Stars29
Updated6 years ago
LicenseGPL-3.0
Release2018
Genre: Platform
Theme: —
Halted
No preview
Mega Man 4 (NES) Disassembly

Clone of Mega Man 4

A complete disassembly of the NTSC-U Mega Man 4 (NES) ROM that reassembles to a byte-for-byte clean ROM, though not all code is documented.
Platforms:NES
Stars29
Updated5 years ago
LicenseUnknown
Release2017
Genre: Platform
Theme: Sci-Fi
Archived
REminiscence screenshot
REminiscence

Clone of Flashback

REminiscence is a re-implementation of Flashback's 1992 engine, supporting its DOS, Amiga, Macintosh, and PC98 releases.
Platforms:Windows
Stars29
Updated2 months ago
LicenseUnknown
Release2019
Genre: Adventure
Theme: —
Archived
No preview
Bermuda Syndrome

Clone of Bermuda Syndrome

A reimplementation of the game engine for the 1995 adventure game Bermuda Syndrome, built by reverse-engineering the original executable.
Platforms:Windows
Stars28
Updated6 years ago
LicenseUnknown
Release2018
Genre: Adventure
Theme: —
Halted
No preview
Donkey-Kong-NES-Disassembly

Clone of Donkey Kong

A full disassembly of the NES Donkey Kong, covering three ROM revisions, complete but not fully documented and missing graphics data.
Platforms:NES
Stars28
Updated2 years ago
LicenseUnknown
Release2020
Genre: Platform
Theme: —
Halted
No preview
Donkey-Kong-Country-1-Disassembly

Clone of Donkey Kong Country

A disassembly of Donkey Kong Country for the SNES, targeting the USA V1.0 ROM release and built on the author's own SNES ROM Framework.
Platforms:SNES
Stars27
Updated4 years ago
LicenseGPL-3.0
Release2021
Genre: Platform
Theme: —
Halted
No preview
Reconstructed Commander Keen 4-6

Clone of Commander Keen Series

An unofficial reconstruction of Commander Keen 4-6's source code, built from Catacomb 3-D, Wolfenstein 3-D, and Keen Dreams code.
Platforms:DOS
Stars26
Updated3 years ago
LicenseGPL-2.0
Release2023
Genre: Platform
Theme: —
Halted
No preview
Donkey Kong '94

Clone of Donkey Kong '94

A disassembly of Donkey Kong '94 for Game Boy, reconstructing a specific SHA-1-verified ROM build using tooling from eDKit.
Platforms:Game Boy
Stars25
Updated4 years ago
LicenseUnknown
Release2020
Genre: Arcade
Theme: —
Archived
Joust Source Code Documented screenshot
Joust Source Code Documented

Clone of Joust

Platforms:Atari
Stars24
Updated11 years ago
LicenseUnknown
Release2015
Genre: Arcade
Theme: —
Active
No preview
Manic Miner disassembly

Clone of Manic Miner

A SkoolKit-built disassembly of the ZX Spectrum version of Manic Miner, published as an annotated document rather than a playable clone.
Platforms:ZX Spectrum
Stars24
Updated1 month ago
LicenseUnknown
Release2014
Genre: Platform
Theme: Fantasy
Halted
OpenGGS screenshot
OpenGGS

Clone of The Great Giana Sisters

A C/C++ SDL2 remake of The Great Giana Sisters with a level editor and reworked physics, needing no original game files.
Platforms:None
Stars23
Updated3 years ago
LicenseGPL-2.0
Release2017
Genre: Platform
Theme: —
Active
No preview
Tiny Mario

Clone of Super Mario Bros.

A text-based reimagining of Super Mario Bros., rendered in Unicode Braille to fit inside a browser's address bar.
Platforms:Web
Stars23
Updated1 month ago
LicenseUnlicense
Release2025
Genre: Action
Theme: —
Sporadic
Bagman500 screenshot
Bagman500

Clone of Bagman

A remake of Bagman built from Z80 ROM analysis of its original arcade AI and timing, with the Amiga build transcoding ~99% of that logic.
Platforms:WindowsAmiga
Stars22
Updated7 months ago
LicenseUnknown
Release2019
Genre: Platform
Theme: —
Halted
Ultimate Play the Game disassemblies screenshot
Ultimate Play the Game disassemblies

Clone of Knight Lore

SkoolKit-based disassemblies of several 1980s Ultimate Play the Game ZX Spectrum titles, including Atic Atac and Jetpac.
Platforms:ZX Spectrum
Stars22
Updated2 years ago
LicenseUnknown
Release2021
Genre: Action
Theme: Fantasy
Halted
No preview
Mario vs. Donkey Kong

Clone of Mario vs. Donkey Kong

A disassembly of the US Game Boy Advance release of Mario vs. Donkey Kong that rebuilds to a byte-identical, MD5-verified ROM.
Platforms:GBA
Stars21
Updated2 years ago
LicenseUnknown
Release2017
Genre: Platform
Theme: —
Halted
No preview
Mega Man 6 (NES) Disassembly

Clone of Mega Man 6

A complete disassembly of the NTSC-U Mega Man 6 NES ROM that reassembles byte-for-byte, though not all code is documented yet.
Platforms:NES
Stars20
Updated5 years ago
LicenseUnknown
Release2017
Genre: Platform
Theme: Sci-Fi
Halted
No preview
SLF_SOURCE

Clone of Super Lemonade Factory

Official open-source release of the iOS version of Super Lemonade Factory, built on the Flixel-iOS engine.
Platforms:iOS
Stars20
Updated14 years ago
LicenseUnknown
Release2012
Genre: Puzzle
Theme: —
Halted
No preview
Donkey-Kong-Country-2-Disassembly

Clone of Donkey Kong Country 2

A disassembly of Donkey Kong Country 2 for the SNES targeting the MD5-verified USA V1.0 ROM, built on the author's SNES ROM Framework.
Platforms:SNES
Stars19
Updated5 years ago
LicenseGPL-3.0
Release2021
Genre: Platform
Theme: —
Halted
No preview
Princed Resources

Clone of Prince of Persia

A command-line tool for extracting and editing the DAT resource files used by Prince of Persia and its sequel.
Platforms:Windows
Stars19
Updated3 years ago
LicenseGPL-2.0
Release2017
Genre: Platform
Theme: —
Halted
Pyskool screenshot
Pyskool

Clone of Skool Daze

Pyskool is a Python/Pygame remake of the ZX Spectrum games Skool Daze and Back to Skool, built to be customizable.
Platforms:Linux
Stars19
Updated1 year ago
LicenseGPL-3.0
Release2013
Genre: Action
Theme: —
Halted
No preview
Aladdin_DirectX

Clone of Aladdin

A Windows remake project based on Aladdin, with no documentation beyond its name; listed as unplayable with development halted.
Platforms:Windows
Stars18
Updated8 years ago
LicenseUnknown
Release2017
Genre: Platform
Theme: —

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