Game Detail
Half-Life: Opposing Force
App ID 50 | Recorded March 24, 2026 at 01:04 AM
Action
Categories: Single-player, Multiplayer, Custom Volume Controls, Adjustable Difficulty, Playable without Timed Input, Save Anytime, Valve Anti-Cheat enabled, Family Sharing
Release date: November 1, 1999
Developer/Publisher: Gearbox Software / Valve
Overwhelmingly Positive 95% · 14,889 reviews
Short description
Official Steam summary
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 a
Current price
$4.99
All-time low
$1.24
12-month low
$1.24
Verdict
Wait
+302% above the all-time low.
Price chart (last 2 years)
View all-time lowsTop reviews
View on Steam9 helpful
Half-Life: Opposing Force introduces players to Corporal Adrian Shephard, a member of the HECU unit sent to eliminate everyone involved in the failed...
9 helpful
Half-Life: Opposing Force might be one of the best expansions to any game ever made. New weapons, an entirely new alien race and new plot points that...