Game Info
Half-Life: Opposing Force

Half-Life: Opposing Force

First-Person Shooter
Developer Gearbox Software
Publisher Sierra Entertainment
Released 1999
Added
Platforms PC, Mac, Linux
SingleplayerStory Rich
Series — Half-Life
Half-Life Half-Life 1998 Half-Life: Blue Shift Half-Life: Blue Shift 2001 Half-Life: Decay Half-Life: Decay 2001 Half-Life 2 Half-Life 2 2004 Half-Life 2: Episode One Half-Life 2: Episode One 2006 Half-Life 2: Episode Two Half-Life 2: Episode Two 2007 Half-Life: Alyx Half-Life: Alyx 2020
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