Jess CliffeDeveloper BIO
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Games CreditedLeft 4 Dead (2008), Valve Corporation
Half-Life 2: Episode Two (2007), Buka Entertainment
The Orange Box (2007), Valve Corporation
Portal (2007), Buka Entertainment
Half-Life 2: Episode One (2006), Valve Corporation
Counter-Strike: Condition Zero (2004), Sierra Entertainment, Inc.
Counter-Strike: Source (2004), Valve Corporation
Half-Life 2 (2004), Valve Corporation
Half-Life: Counter-Strike (2000), Sierra On-Line, Inc.