This engine can be used as a replacement for commercial or closed engines
Jedi Knight II: Jedi Outcast (Single Player Linux Port).
OpenJK is an effort by the JACoders group to maintain and improve the game engines on which the Jedi Academy (JA) and Jedi Outcast...
Open source implementation of ALIVE engine that powers Oddworld Abes Oddysee and Oddworld Abes Exoddus.
8 Mar 2015)
Homeworld is a real-time strategy computer game, set and played in a 3D space environment.
OpenXcom is an open-source clone of the original UFO: Enemy Unknown (X-Com: UFO Defense in USA), licensed under the GPL and written in C++ / SDL.
A opensource reimplementation of the LBA (Little Big Adventure, aka relentless) game engine.
You know Age of Empires. You know its bugs.
FreeSO (“Free Simulator Online”) is a reimplementation of The Sims Online™’s game engine, using C# and Monogame.
Opensource crossplatform Fallout 2™ engine writen in C++ and SDL.
Code and bugfixes for Instant Kingdom's Notrium, a topdown survival game
Arx Libertatis is a source port based on the publicly released Arx Fatalis source code.Genre: Role-playing, Action