Cloned Games

Free & Open Source Games Made with SDL2

394 free, open-source games made with SDL2 — real clones and remakes you can download, inspect the source of, and modify.

Sporadic
RPG Maker (original game, not this project)Original game image

Clone of RPG Maker

An open-source RGSS runtime for running RPG Maker XP, VX and VX Ace games natively, especially on Linux.
Platforms:WindowsLinuxOSX
Stars587
Updated9 months ago
LicenseGPL-2.0
Release2013
Genre: RPG
Theme: —
Active
OpenTyrian screenshot

Clone of Tyrian

An open-source port of the DOS shooter Tyrian that includes the freeware game data and supports networked play.
Platforms:Windows
Stars572
Updated1 month ago
LicenseGPL-2.0
Release2020
Genre: Shmup
Theme: Sci-Fi
Active
Sonic Robo Blast 2 screenshot

Clone of Sonic the Hedgehog

A 3D Sonic the Hedgehog fangame running on a modified Doom Legacy engine, made independently and unaffiliated with Sega.
Platforms:WindowsLinuxOSX
Stars561
Updated1 month ago
LicenseGPL-2.0
Release2014
Genre: Platform
Theme: —
Sporadic
NXEngine-evo screenshot

Clone of Cave Story

An upgraded NXEngine fork for Cave Story with SDL2, widescreen up to Full HD, localization and initial mod support.
Platforms:WindowsLinuxOSX
Stars548
Updated8 months ago
LicenseGPL-3.0
Release2014
Genre: Adventure
Theme: Sci-Fi
Active
Jagged Alliance 2 Stracciatella screenshot

Clone of Jagged Alliance 2

A community-maintained continuation of JA2-Stracciatella, running Jagged Alliance 2 on modern systems using data from an original copy.
Platforms:WindowsLinuxOSX
Stars535
Updated1 month ago
LicenseUnknown
Release2016
Genre: RPG
Theme: Sci-Fi
Active
Super Mario War screenshot

Clone of Super Mario

An open-source SDL multiplayer deathmatch game using Mario-style characters, with online play, a level editor, and 1,000+ maps.
Platforms:WebWindowsLinux
Stars530
Updated1 month ago
LicenseUnknown
Release2015
Genre: Platform
Theme: —
Active
Akhenaten screenshot

Clone of Pharaoh

A reimplementation of the Pharaoh game engine for modern systems, forked from the Julius/Augustus project and retargeted at Pharaoh.
Platforms:WebWindowsLinux
Stars509
Updated1 month ago
LicenseAGPL-3.0
Release2023
Halted
OpenClaw screenshot

Clone of Claw

A from-scratch C++ reimplementation of Monolith's 1997 platformer Captain Claw that runs on the original asset archive.
Platforms:WebWindowsLinux
Stars505
Updated4 years ago
LicenseGPL-3.0
Release2017
Genre: Platform
Theme: —
Halted
donut screenshot

Clone of The Simpsons: Hit & Run

An open-source C++ reimplementation of The Simpsons: Hit & Run using modern OpenGL, requiring the original game's asset files.
Platforms:WindowsLinux
Stars481
Updated2 years ago
LicenseGPL-3.0
Release2019
Genre: Action
Theme: Comedy
Active
Command & Conquer (original game, not this project)Original game image

Clone of Command & Conquer

A portable open-source reimplementation of the original Command & Conquer engine, running Tiberian Dawn and Red Alert.
Platforms:WindowsLinuxOSX
Stars462
Updated3 months ago
LicenseUnknown
Release2020
Active
DarkPlaces screenshot

Clone of Quake

DarkPlaces is a Quake engine fork adding modern rendering and an expanded QuakeC scripting language, running many Quake-based games.
Platforms:WindowsLinuxOSX
Stars443
Updated2 months ago
LicenseGPL-2.0
Release2021
Genre: FPS
Theme: Fantasy
Active
R.E.L.I.V.E. screenshot

Clone of Oddworld: Abe's Exoddus

R.E.L.I.V.E. is an open-source, bug-fixing engine replacement for Oddworld: Abe's Oddysee and Abe's Exoddus.
Platforms:WindowsLinuxOSX
Stars435
Updated2 months ago
LicenseUnknown
Release2018
Genre: Platform
Theme: —
Halted
Chariot screenshot

Clone of Age of Empires

Chariot is an early-stage Rust and SDL2 reimplementation of the 1997 Age of Empires engine, with no playable game yet as of 2016.
Platforms:WindowsLinuxOSX
Stars432
Updated8 years ago
LicenseUnknown
Release2016
Halted
SRB2Kart screenshot

Clone of Mario Kart

A Sonic-themed kart racer built on the Sonic Robo Blast 2 engine, in the style of Mario Kart.
Platforms:WindowsLinuxOSX
Stars418
Updated1 year ago
LicenseGPL-2.0
Release2019
Genre: Racing
Theme: —
Active
Super Mario (original game, not this project)Original game image

Clone of Super Mario

TheXTech is a faithful C++ rewrite of the SMBX 1.3 Mario-style level engine, running cross-platform with an added editor.
Platforms:WindowsLinuxOSX
Stars415
Updated1 month ago
LicenseGPL-3.0
Release2020
Genre: Platform
Theme: —
Active
ezQuake screenshot

Clone of Quake

ezQuake is a modern QuakeWorld client combining features from established clients, with QTV spectating, a server browser, and scripting.
Platforms:WindowsLinuxOSX
Stars415
Updated1 month ago
LicenseGPL-2.0
Release2010
Genre: FPS
Theme: Fantasy
Halted
CCOSS screenshot

Clone of Cortex Command

CCOSS is the open-source release of Cortex Command's engine under AGPLv3, without game data, requiring the original game and Steam DLLs.
Platforms:Windows
Stars405
Updated2 years ago
LicenseAGPL-3.0
Release2019
Genre: Action
Theme: Sci-Fi
Sporadic
Clonk (original game, not this project)Original game image

Clone of Clonk

The open-source, community-developed continuation of the Clonk action/strategy/platformer series for Windows, Linux and macOS.
Platforms:WindowsLinuxOSX
Stars401
Updated6 months ago
LicenseUnknown
Release2013
Genre: Action
Theme: —
Halted
glPortal screenshot

Clone of Portal

GlPortal is an open-source sci-fi first-person puzzle-platformer with realistic physics, built on the custom RadixEngine, cross-platform.
Platforms:WindowsLinux
Stars384
Updated2 years ago
LicenseUnknown
Release2014
Genre: FPS
Theme: —
Active
mkxp-z screenshot

Clone of RPG Maker

An extended fork of mkxp that runs RPG Maker (RGSS) games, including Pokémon Essentials projects, across platforms.
Platforms:WindowsLinuxOSX
Stars377
Updated4 months ago
LicenseGPL-2.0
Release2021
Genre: RPG
Theme: —
Active
Blake Stone: Aliens of Gold (original game, not this project)Original game image

Clone of Blake Stone: Aliens of Gold

BStone is an actively maintained source port of the Blake Stone series, adding high-res 3D rendering, texture upscaling, and 3D audio.
Platforms:WindowsLinuxOSX
Stars367
Updated3 months ago
LicenseUnknown
Release2013
Genre: FPS
Theme: Sci-Fi
Halted
MinecraftC screenshot

Clone of Minecraft

A C port of Minecraft Classic 0.0.30a using SDL2 and OpenGL, with optional raytracing in its modded build.
Platforms:WindowsOSX
Stars349
Updated1 year ago
LicenseMIT
Release2021
Genre: Action
Theme: Fantasy
Halted
OpenSWE1R screenshot

Clone of Star Wars Episode I: Racer

A partial open-source port of Star Wars Episode I: Racer that uses CPU emulation to run the original game cross-platform.
Platforms:Windows
Stars347
Updated6 years ago
LicenseGPL-2.0
Release2017
Genre: Racing
Theme: Sci-Fi
Active
Mario Kart (original game, not this project)Original game image

Clone of Mario Kart

Dr. Robotnik's Ring Racers is a free kart racing game on the Sonic Robo Blast 2 codebase, released as non-commercial fan art under GPL.
Platforms:WindowsLinuxOSX
Stars340
Updated2 months ago
LicenseGPL-2.0
Release2024
Genre: Racing
Theme: —
Active
Doom (original game, not this project)Original game image

Clone of Doom

A modern continuation of Lee Killough's MBF Doom source port, adding widescreen rendering, uncapped framerate, and gamepad support.
Platforms:WindowsLinux
Stars326
Updated1 month ago
LicenseGPL-2.0
Release2016
Genre: FPS
Theme: Sci-Fi
Active
CCCP screenshot

Clone of Cortex Command

CCCP is a community-driven continuation of Cortex Command's development, free and open source under AGPLv3, with an active mod portal.
Platforms:WindowsLinuxOSX
Stars322
Updated3 months ago
LicenseAGPL-3.0
Release2024
Genre: Action
Theme: Sci-Fi
Active
Omnispeak screenshot

Clone of Commander Keen Series

A pixel-perfect, bug-for-bug reimplementation of Commander Keen episodes 4-6 that reads the original game's data files.
Platforms:WindowsLinux
Stars317
Updated4 months ago
LicenseGPL-2.0
Release2012
Genre: Platform
Theme: —
Halted
EnTT Pacman screenshot

Clone of Pac-Man

A Pac-Man clone built as a tutorial example for the EnTT entity-component-system framework, using SDL2 and CMake.
Platforms:WindowsLinuxOSX
Stars313
Updated2 years ago
LicenseMIT
Release2018
Genre: Arcade
Theme: —
Sporadic
Doomsday Engine screenshot

Clone of Doom

A portable, enhanced source port supporting Doom I/II, Heretic, and Hexen, built as cross-platform C++ libraries.
Platforms:WindowsLinuxOSX
Stars303
Updated5 months ago
LicenseUnknown
Release2011
Genre: FPS
Theme: Sci-Fi
Sporadic
OpenSupaplex screenshot

Clone of Supaplex

A 1:1 C/SDL reimplementation of Supaplex that runs on PC, Mac, Linux and many consoles, from PSP to Switch.
Platforms:WindowsLinuxOSX
Stars301
Updated7 months ago
LicenseUnknown
Release2020
Genre: Puzzle
Theme: —
Halted
Caesar III (original game, not this project)Original game image

Clone of Caesar III

An open-source remake of Caesar III on its own SDL2-based engine, playable but still in an early, experimental stage.
Platforms:WindowsLinuxOSX
Stars296
Updated9 years ago
LicenseUnknown
Release2014
Genre: Simulation
Theme: Management
Active
Doom (original game, not this project)Original game image

Clone of Doom

A client/server Doom source port for Internet multiplayer with up to 255 players and many competitive game modes.
Platforms:WindowsLinuxOSX
Stars294
Updated1 month ago
LicenseGPL-2.0
Release2015
Genre: FPS
Theme: Sci-Fi
Active
AstroMenace screenshot

Clone of AstroMenace

An open-source 3D space shoot-'em-up with 15 levels, boss fights, and a weapon-upgrade shop, under active development.
Platforms:WindowsLinuxOSX
Stars289
Updated3 months ago
LicenseUnknown
Release2018
Genre: Shmup
Theme: —
Halted
AdaDoom3 screenshot

Clone of Doom 3

An attempt to re-engineer id Tech 4, the Doom 3 engine, in the Ada language; mostly incomplete with development halted.
Platforms:None
Stars287
Updated3 years ago
LicenseUnknown
Release2013
Genre: FPS
Theme: Sci-Fi
Halted
Sourcehold screenshot

Clone of Stronghold

An open-source engine reimplementation of Stronghold; development is frozen pending Firefly's Definitive Edition release.
Platforms:WindowsLinuxOSX
Stars281
Updated2 years ago
LicenseMIT
Release2019
Active
Super Mario (original game, not this project)Original game image

Clone of Super Mario

An open-source engine and dev kit for building Mario-style platform games, with SMBX compatibility.
Platforms:WindowsLinuxOSX
Stars280
Updated2 months ago
LicenseGPL-3.0
Release2014
Genre: Platform
Theme: —
Active
OpenLiero screenshot

Clone of Liero

An SDL2 build of Liero that ships the original ruleset with lierolibre sounds and supports total conversions.
Platforms:Windows
Stars280
Updated4 months ago
LicenseUnknown
Release2014
Genre: Platform
Theme: —
Sporadic
haskanoid screenshot

Clone of Breakout

A Haskell Breakout-style game built with the Yampa FRP library, supporting keyboard, mouse, Wiimote, and Kinect input.
Platforms:None
Stars278
Updated8 months ago
LicenseUnknown
Release2014
Genre: Arcade
Theme: —
Sporadic
Spearmint screenshot

Clone of Quake 3

An id Tech 3 engine fork supporting Quake III Arena and Team Arena, with partial Wolfenstein support in progress.
Platforms:WindowsLinuxOSX
Stars277
Updated5 months ago
LicenseGPL-3.0
Release2013
Genre: FPS
Theme: Sci-Fi

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