Alien Arena is a Free online FPS first person shooter game that can be run from a portable USB device. takes a few of the best aspects featured in such popular games as Quake III and Unreal Tournament and then further combines them with unique and original ideas.
Frets on Fire is a fun guitar hero like game that can be used to test your musical skills and fast finger playing agility. The focus of this open source portable game is to a play guitar with your keyboard as accurately as you can.
Atomic Tanks Portable (Atanks) is an open source free portable battle game. Referred to as "a multi-platform Scorched Earth clone similar to the Worms series of games", Atomic Tanks is a game where you get to control a powerful tank.
Warzone 2100 is a Free real time strategy game created by Pumpkin Studios and published by Eidos Interactive. This strategy style game offers single player, campaign, and online multiplayer skirmish modes.
Defender Element is a Free Portable Tower Defense type Game offered by Staff 32003 Productions. A Free Strategy Game, where the goal is to reinforce the pathway to your castle in an effort to keep enemies from invading your castle.
Glest is an entirely free real time strategy game and 3d strategy game producing engine. Within this free rts game, you create armies of either the Tech type (warriors and mechanical devices), or Magic type (mages and summoned creatures) and use them within the battlefield against your opponents.
TORCS is a highly Portable Free Car Racing Game also commonly referred to as "The Open Racing Car Simulator". This car racing simulation game allows you to race against opponents simulated by the computer or to develop your own driver bot and enter the driver into competitive events.
Piskvorky is simply a Portable Tic Tac Toe like game created by Lucersoft. Piskvorky also known as Gomoku is a two player (you against the computer) strategic game that works much like Tic Tac Toe, but with a slight twist.