Counter-Strike (Series)
Commercial
Counter-Strike is a series of multiplayer first-person shooter video games, in which teams of terrorists and counter-terrorists battle to, respectively, perpe…
Cube 2: Sauerbraten
Open Source
Cube 2: Sauerbraten ("sour roast", or Sauer) is a cross-platform, Quake-like first-person shooter that runs on Microsoft Windows, Linux, FreeBSD and Mac OS X …
TrueCombat: Elite & CQB is a tactical-teamplay oriented, modern-world combat simulation game.
Unreal Tournament (series)
Open Source
Unreal Tournament is a first-person shooter video game.
AssaultCube
Open Source
AssaultCube (ActionCube) is a free and open source software first-person shooter video game.
Compare Call of Duty (Series) with alternatives
Compare Counter-Strike (Series) and Call of Duty (Series) and decide which is most suitable for you.
Compare Unreal Tournament (series) and Call of Duty (Series) and decide which is most suitable for you.
Compare Cube 2: Sauerbraten and Call of Duty (Series) and decide which is most suitable for you.
Compare AssaultCube and Call of Duty (Series) and decide which is most suitable for you.
Compare TrueCombat: Elite & CQB and Call of Duty (Series) and decide which is most suitable for you.