Mass Effect

Mass Effect 1 (2007)

(2 DLC's - Bring Down the Sky (2008) & Pinnacle Station (2009))

Hitman

Hitman - 01 - Codename 47 (2000)

Harry Potter

Harry Potter - 01 - Harry Potter & the Philosopher's Stone (Harry Potter & the Sorcerer's Stone) (2001)

Grand Theft Auto

Grand Theft Auto - 01 (1997)
(2 Expansion Packs, Grand Theft Auto: London, 1961 (1999) & Grand Theft Auto: London, 1969 (1999))

Far Cry

Far Cry - 01 (2004)

F.E.A.R.

F.E.A.R. 1 (F.E.A.R.:First Encounter Assault Recon) (2005)
(2 Expansion Packs - Extraction Point (2006) & Perseus Mandate (2007))