Mine Shaft Gap is a free print-and-play board game about a battle for resources on a planetoid. The game tries to channel the feeling of the classic MetaGaming or Task Force games.
Science Fiction
Grav Armor Classic Dwarfstar Board Game
Grav Armor is the classic Dwarfstar game of future armored warfare. From the site:
GRAV ARMOR is a fast-moving game of future armored warfare for 2 players. It realistically simulates the high-speed, high casualty combat between streaking gravitic vehicles, surface-effects craft, supersonic fighters, orbital dropships and power-suited infantry. The modular map sections allow scenarios to be played on radically different types of planets (earthlike, molten, frozen or airless).
Paranoia: Troubleshooters Card Game
Paranoia: Troubleshooters is a set of free rules for a card game based on the West End Games’ Paranoia RPG.
Time Tripper SPI Game Java Implementation
Here’s a Java implementation of the old school game from SPI: Time Tripper.
Biohazard War Card Game
Biohazard War is a DIY card game based on the Resident Evil series. The two player game uses familiar collectible card game mechanics.