Get Half-Life: Opposing Force
Available on Steam.
Return to the Black Mesa Research Facility as one of the military specialists assigned to eliminate Gordon Freeman. Experience an entirely new episode of single player action. Meet fierce alien opponents, and experiment with new weaponry. Named 'Game of the Year' by the Academy of Interactive Arts and Sciences.
Tags and features
#18
of 89 games
6h
Playtime
1%
Of all playtime
0
Sessions
2026
Played since
Half-Life: Opposing Force contributes to Lone Wolf and Adrenaline through solo play, action.
Lone Wolf
Strong
Solo play, self-reliant, single-player worlds
Adrenaline
Moderate
Fast reflexes, combat, and high-octane action