Minetest is a Free Minecraft like Portable Game. Gameplay is similar to Minecraft's where players explore, create or destroy blocks in a first person three dimensional world.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.