Wealth Manager is a free DIY card game about increasing net worth and earnings potential.
Board Games
Paranoia: Troubleshooters Card Game
Paranoia: Troubleshooters is a set of free rules for a card game based on the West End Games’ Paranoia RPG.
Mechbrawl Card Game
Mechbrawl is a free expandable card game. In it, you face off against your opponent in a giant, customizable war robot.
Catan Horror
Catan Horror is a set of mashup rules for combining the board games Arkham Horror with Settlers of Catan.
Time Tripper SPI Game Java Implementation
Here’s a Java implementation of the old school game from SPI: Time Tripper.