F-Droid - F-Droid is an interesting alternative for Android users who want to try something different and not have to use the Goole Play store all the time.
Call of Duty - Call of Duty is a first-person and third-person shooter series by Infinity Ward.
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Counter-Strike - Counter-Strike is a PC-exclusive FPS video game developed by Valve Corporation.
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Arma - Experience true combat gameplay in a massive military sandbox.