Xonotic

onotic is a first-person shoot ‘em up that draws heavily on titles like Unreal Tournament and Quake III, with an added series of changes and variations to its gameplay in efforts to become ‘the best open-source shoot ‘em up’. For starters, Xonotic offers you the crazy amount of 16 different playing modes, among which you'll find classics like capture the flag or the legendary 'deathmatch,' in eith...