OpenArena – Open Source First Person Shooter Game
OpenArena is a free and open source first person shooter game for Windows, Linux and MacOS. The game is heavily based on the Quake III. It is Arena style deathmatch game. It comes with Deathmatch, Tournament, Capture the Flag, Overload, Harvester, Elimination, Last Man Standing and Domination game modes. In this game you need to score more frags to win the game. You can use guns, rocket launcher, shotgun, railgun and more in this game. It uses OpenGL 1.x graphics API and released under GPL-2.0+ license.