Call of Duty (Series)
Commercial
Call of Duty is a first-person shooter video game franchise. The series began on Microsoft Windows, and later expanded to consoles and handhelds.
TrueCombat: Elite & CQB is a tactical-teamplay oriented, modern-world combat simulation game.
AssaultCube
Open Source
AssaultCube (ActionCube) is a free and open source software first-person shooter video game.
Ace of Spades: Battle Builder
Commercial
Ace of Spades: Battle Builder is the first-person shooter that lets you create your battleground, destroy it, then create it again.
Compare Battlefield (Series) with alternatives
Compare Call of Duty (Series) and Battlefield (Series) and decide which is most suitable for you.
Compare AssaultCube and Battlefield (Series) and decide which is most suitable for you.
Compare TrueCombat: Elite & CQB and Battlefield (Series) and decide which is most suitable for you.
Compare Ace of Spades: Battle Builder and Battlefield (Series) and decide which is most suitable for you.