Half-Life: Opposing Force

Gearbox Software · Valve

Released
Nov 1, 1999
Platforms
Last updated
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FPSActionClassicSci-fiSingleplayer

Builds & patches

Developer updatesChange feed

Current branches

betaBuild 5429885Steampipe beta
Updated
publicBuild 5429885
Updated

Build history

Build history
BuildBranchSteam updatedDepot changes
5429885Current
betaUnknown
5429885Current
publicUnknown

Some intermediate builds may be missing.