Open source clone of the Age of Empires II engine
An isometric arcade-style game of skill, puzzles and exploration
A fork of Chocolate Doom with small Quality of Life enhancements
A hand-crafted 2D game library in Go
Spring is a free RTS engine developed for Windows, Linux and Mac OS X.
online 4X browser game engine
Java game engine for shoot 'em ups, using Java2D.
Framework for a graphical point and click adventure game in Java
Take a look at our work!
Opensource serious game engine for multiplayer games