A 2D scrolling platform shooter, inspired by Duke Nukem 1
Hardcore 3D space shooter with spaceship upgrade possibilities.
Eureka is a DOOM map editor
A LinuxSampler Qt GUI Interface
Android, UIQ 3.0, Series 60 Edition 5 open-source software
puzzle game based on hexagonal tiles
Don't get kick from Roblox for being AFK.Don't click use auto clicker.
kid-friendly retro point & click 3D OpenGL "adventure" game
Zoomable user interface (ZUI) with file manager, file viewers and more
0 A.D. is a free, open-source, cross-platform real-time strategy game.
Enigma is a puzzle game
The Sokoban game implemented in Java.
Retro style, multi-platform soccer game
An open-source Phantasy Star Online server for *nix
The ultimate cataloguer
A toolbox for Sid Meier's Civilization