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.
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.
Sporadic
Clone of Dune 2
A cross-platform enhancement of Dune II built on OpenDUNE, adding widescreen graphics, multiplayer for up to 6, and fan campaigns.
Platforms:WindowsLinux
Stars154
Updated10 months ago
LicenseGPL-2.0
Release2023
Genre: Real-Time Strategy
Theme: Sci-Fi
Active
Clone of Warcraft: Orcs & Humans
An in-progress C remake of Warcraft: Orcs & Humans using the original game's assets, with core RTS features implemented.
Platforms:WindowsLinuxRaspberry Pi
Stars153
Updated3 months ago
LicenseZlib
Release2018
Genre: Real-Time Strategy
Theme: Fantasy
Archived
Clone of Thimbleweed Park
An open-source reimplementation of the Thimbleweed Park engine, needing the original game's data files, since discontinued.
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: —
Halted
Clone of Zuma
A remake of the 2003 PopCap puzzle game Zuma with HD textures and widescreen support; a stable v0.1.0 build is playable.
Active
Clone of Heroes of Jin Yong
A Pascal remake of the DOS RPG Heroes of Jin Yong supporting most original mods, with a separate, less complete C++ branch.
Active
Clone of Outpost
A C++ redesign of Sierra's 1994 colony game Outpost, keeping its core concepts in a more responsive game.
Platforms:Windows
Stars143
Updated3 months ago
LicenseBSD-3-Clause
Release2018
Genre: Simulation
Theme: Sci-Fi
Halted
Clone of Strife
Night Dive Studios' 2020 GPL source release of Strife: Veteran Edition, the official remaster of 1996's Strife.
Platforms:WindowsLinuxOSX
Stars143
Updated4 years ago
LicenseGPL-2.0
Release2014
Genre: Action
Theme: Post-Apocalyptic
Sporadic
Clone of Duke Nukem 3D
JFDuke3D is a Duke Nukem 3D source port on the author's own Build engine port, first released in 2003 for Windows, Linux, BSD, and macOS.
Halted
Clone of Urban Assault
An open-source, GPLv2 reimplementation of the Urban Assault engine that requires the original game's files to run.
Halted
Clone of Heroes of Might and Magic II
A Heroes of Might and Magic II engine recreation with UI and gameplay enhancements; v1.0 released for Windows, development now suspended.
Platforms:Windows
Stars135
Updated6 years ago
LicenseUnknown
Release2017
Genre: Turn-Based Strategy
Theme: —
Active
Clone of Mega Man X
A static recompilation of SNES Mega Man X into native code, fully playable with an experimental widescreen mode.
Active
Clone of The Great Escape
A portable C reimplementation of The Great Escape, reverse-engineered from Z80 assembly to run on macOS, Windows, and RISC OS.
Platforms:WindowsLinuxOSX
Stars132
Updated3 months ago
LicenseUnknown
Release2014
Genre: Arcade
Theme: World War II
Active
Clone of RuneScape Classic
A cross-platform, feature-enhanced C99 port of the original RuneScape Classic client.
Active
Original game image
Original game imageClone of Raptor: Call of the Shadows
Raptor is a modern engine rebuild of 1994's Raptor: Call of the Shadows, based on a reverse-engineered codebase.
Platforms:WindowsLinuxOSX
Stars125
Updated1 month ago
LicenseGPL-2.0
Release2021
Genre: Shmup
Theme: —
Sporadic
Clone of Total Annihilation
An open-source RTS engine highly compatible with Total Annihilation's original data files.
Platforms:Windows
Stars123
Updated7 months ago
LicenseGPL-3.0
Release2017
Genre: Real-Time Strategy
Theme: Sci-Fi
Sporadic
Active
Active
Clone of Call to Power II
The Apolyton community's continuation of Call to Power II's official source code, building on Windows, Linux, and handheld devices.
Platforms:WindowsLinux
Stars115
Updated2 months ago
LicenseUnknown
Release2018
Genre: Turn-Based Strategy
Theme: —
Archived
Halted
Clone of Master of Magic
A from-scratch C++ rewrite of Master of Magic aiming for visual accuracy and extensible mechanics, still at prototype stage.
Platforms:WindowsLinuxOSX
Stars112
Updated2 years ago
LicenseGPL-3.0
Release2014
Genre: Turn-Based Strategy
Theme: Fantasy
Active
Clone of Star Control 2
A fork of The Ur-Quan Masters HD-mod for Star Control II, adding many extra graphics options and QoL improvements.
Active
Original game image
Original game imageClone of Little Big Adventure 2
A community fork of LBA2's 1997 engine ported to modern systems with HD rendering, gamepad support, and SDL3 audio; still pre-1.0.
Platforms:WindowsLinuxOSX
Stars108
Updated1 month ago
LicenseGPL-2.0
Release2021
Genre: Action
Theme: Fantasy
Active
Original game image
Original game imageClone of Planet Blupi
Official repo for 1997's Planet Blupi, preserving the original source code under Git tags alongside ongoing development.
Platforms:WindowsLinux
Stars108
Updated2 months ago
LicenseUnknown
Release2017
Genre: Real-Time Strategy
Theme: —
Halted
Clone of Rise of the Triad
An SDL2-based Rise of the Triad source port with new gameplay modes and high-res support.
Sporadic
Original game image
Original game imageClone of Stunt Car Racer
A Linux/OpenPandora port of Windows' Stunt Car Racer Remake, with an Emscripten browser build and Windows-only dynamic scaling.
Active
Clone of M.U.G.E.N
An actively developed unofficial Ikemen fighting-engine branch offering software rendering for very old hardware, still a public dev build.
Platforms:WindowsLinuxAndroid
Stars104
Updated2 months ago
LicenseUnknown
Release2022
Genre: Fighting
Theme: —
Sporadic
Clone of Factorio
A personal from-scratch attempt to recreate Factorio's gameplay in C++, built with CMake and now developed only sporadically.
Active
Halted
Original game image
Original game imageClone of Death Rally
A reverse-engineered, public-domain reimplementation of the Death Rally engine, still an early-stage project needing original data files.
Sporadic
Clone of Shadow Warrior
JFSW is a source port of the original 1997 Shadow Warrior, built on the author's own Build engine port, first released in 2005.
Active
Clone of Transport Tycoon
A free, open-source transport simulator inspired by Transport Tycoon, with swappable community graphics packs and online multiplayer.
Platforms:WindowsLinuxOSX
Stars100
Updated2 months ago
LicenseUnknown
Release2022
Genre: Strategy
Theme: Management
Sporadic
Clone of SunDog: Frozen Legacy
A faithful SDL2/OpenGL ES port of the 1985 Atari ST SunDog: Frozen Legacy, built around a custom p-system interpreter.
Active
Clone of Meikyuujou Hydra
This version of Hydra Castle Labyrinth adds SDL support and targets Linux, handheld hardware, and a browser build via Emscripten.
Platforms:WebLinuxAmiga
Stars96
Updated3 months ago
LicenseGPL-2.0
Release2017
Genre: Action
Theme: Fantasy
Halted
Active
Halted
Clone of Little Big Adventure
TwinEngine is an open-source engine reimplementation for playing Little Big Adventure 1.
Platforms:WindowsLinuxOSX
Stars91
Updated1 year ago
LicenseGPL-2.0
Release2015
Genre: Action
Theme: Fantasy
