Xonotic is an open source first person shooter (FPS) video game. This arena style shooter is a branch of and was forked from the all popular Nexiuz game.
Nexuiz is another great free first person shooter game. As opposed to some other well known 3D first person shooters, this FPS game looks and plays great and has outstanding graphics.
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.
Armagetron is a great free TRON Game. Modeled in 3D, this TRON clone uses an old school arcade approach to emulate the "light cycle" or light bike sequence of the movie Tron the legacy.
Typhoon 2001 is a Free arcade game that was originally inspired by Tempest and Tempest 2000 an Atari Jaguar Game. It was designed using the same concepts but with improved graphics and sound.
Bricks 2000 is a popular Tetris like game that can run from a portable device. This is probably one of the best games similar to Tetris that you can find.
Urban Terror is a free, multiplayer, first-person tactical shooter video game. It is known for its fast-paced gameplay, diverse game modes, and realistic weapons.
Deluxe PacMan is a Free portable PacMan arcade game that was created by Neil Roy. Game play and functionality is based on and attempts to emulate the all time arcade favorite PacMan.
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.
Mega Mario is a Free Portable Super Mario like game for PC. Upon initial review, this looks and functions much like the old school Super Mario Brothers by Nintendo.
Secret Maryo Chronicles is a Free Side Scroller Super Mario World like Game for PC. It works and functions much like Nintendo's official Super Mario Bros side scrolling game.
Geneshift is a Portable Free Multiplayer Game. This online top down action shooter game combines top down view gameplay with CounterStrike like Online action.
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.
Sudoku Portable is a popular, addictive and entertaining portable number puzzle game. It is based on Sudoku which was created in France over 100 years ago.
M-emo-ry is a free and portable memory exercise game for kids or adults. To play, simply match the emotional icons with one another (in pairs), the goal being to match all 18 pairs.
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.
Physion is a Free 2D Portable Physics Simulation Software from Dimitris Xanthopoulos. This realistic Physics Simulator can be used to easily simulate the laws of Physics.
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.