PC (Microsoft Windows)August 19, 2005
Released ✓ 
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OpenArena
OpenArena is a free, community-developed first-person shooter, similar to Quake III: Arena as it is based on the source code of the game along with the ioquake3 engine, and it is licensed under the GNU GPL version 2.
ActionScience fictionShooter
Game modes
Multiplayer
Player perspectives
First person