Commandos

Commandos - 1 - Behind Enemy Lines (1998)
(1 Stand-alone Expansion Pack - Commandos: Beyond the Call of Duty (1999))

Counter-Strike

Counter-Strike - 01 (CS) (1999-2003)

Command & Conquer (C&C/ CnC)

Command & Conquer - 01 (Tiberian Dawn) (1995)
(2 Expansion Pack - Command & Conquer: The Covert Operations (1996), Command & Conquer: Sole Survivor (1997))

ARMA

ARMA - 1 (ARMA: Armed Assault, ARMA: Combat Operations) (2006)
(1 Expansion Pack - ARMA: Queen's Gambit (2007))