Sierra Entertainment

Sierra Entertainment is a american publisher and developer founded in 1979.
This company is responsible for games like Half-Life 2, Half-Life, TimeShift, Half-Life: Opposing Force, F.E.A.R.: First Encounter Assault Recon, Aliens Versus Predator 2 e No One Lives Forever 2: A Spy in H.A.R.M.'s Way.
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Videogames List (7)
2007
2005
2004
2002
2001
1999
1998