* 0 AD is a historical real-time strategy open-source game.
* Red Eclipse is a single-player and multi-player first-person ego-shooter, built as a total conversion of Cube Engine 2, which lends itself toward a balanced gameplay, with a general theme of agility in a variety of environments
Tremulous is a free, open source game for Windows, Linux and MacOSX (unofficial version for Mac OSX) based on the ioquake3 game engine, that blends a team based FPS with elements of an RTS. Players can choose from 2 unique races, aliens and humans.
D2X-XL is an OpenGL mod for the classic 3D game Descent 2. D2X-XL is based on D2X 0.2.6, has all bugs from D2X 0.2.6 fixed and has restored all features from the original D2_3dfx (official Voodoo graphics version). D2X-XL is free and runs on Windows, Linux and Mac OSX.
Smokin' Guns is a free, open source first person shooter game for Windows and Linux that takes you back to the times of sheriffs and bank robbers in the legendary Wild West.
Blood Frontier is a free and open source single and multi-player first-person shooter game built on a complete remake of Cube Engine 2, which lends itself toward a balanced gameplay, completely at the control of map makers, while maintaining a general theme of tactics and low gravity.
Urban Terror™ is a free-to-play multiplayer first person shooter game for for Windows, Linux and Mac OS X. It's a mod for Quake 3 Arena but it doesn't require it anymore, as it can run on ioquake3. Unfortunately Urban Terror is closed source, even though ioquake3 is under a GPL license, but that doesn't mean you can't play it.
Paintball2 is a fast-paced first-person game with capture the flag, elimination, siege, and deathmatch (free-for-all) styles of gameplay.
Paintball 2 was originally a Quake2 mod. Now that Quake2 has been released under the GPL, Paintball2 has become a complete standalone game with an enhanced, open-sourced engine.
World of Padman (or WoP for short) features a cartoon-style approach, with maps, characters, weapons and sounds all based upon the Padman animation series.
In this article I'll overview Cube 2: Sauerbraten, an open-source shooter running on Linux, which also provides a gaming engine for developing FPS games.
A first-person shooter (Commonly called FPS) is an action video game that involves "an avatar, one or more ranged weapons, and a varying number of enemies". FPSs render the game world from the visual perspective of the player character. FPS was one of the first genres to use key technologies such as 3D graphics, online play, and modding. Enhanced realism combined with graphic violence has also made FPS a common topic in ongoing controversies over video games.
Today, COR Entertainment is scheduled to release version 6.10 of Alien Arena 2007, the popular free software, 3-D, first-person shooter built atop id Software's Quake II engine, which was released under the GPL in 2001. The new release of Alien Arena comes with seven new arenas, a better arsenal of weaponry, and a new game mode for one-on-one duels.