A 16 bit style game on the 16-bit IBM XT.
Commander Keen Interpreter
A shooter game.
Side scrolling shoot'em up game
Pong Inverted
One Shooter, Overblown, An Asteroids-esque game that never ends.
2D platform game
A fast paced simple two player fighting game.
The Free Online Multiplayer Hacking Platform Shooter
Java Game Engine
Classic snake game on the terminal; made with C++ and ncurses
Invading aliens type game using SDL
A JavaScript clone of the BSD Unix game, 'Worm'.
A classic snake game made in VB.NET
A game about hitting the beats of a song.
A little side-scrolling game, written in JAVA.
Open Source Breakout Clone