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Half-Life: Opposing Force Steam Charts and Player Count

74 playing now$4.9995.49% · 25,741 reviews

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.

Half-Life: Opposing Force has 74 players in game on Steam right now. The highest concurrent count Discoverse has recorded is 74.

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Half-Life: Opposing Force player count questions

How many people are playing Half-Life: Opposing Force?

74 players were in game on Steam at the last Discoverse check on November 11, 2026. This counts Steam only: players on consoles or other launchers are not included.

What is the peak player count of Half-Life: Opposing Force?

The highest concurrent count Discoverse has recorded for Half-Life: Opposing Force is 74. That only covers the period Discoverse has tracked the game, so the peak since release can be higher.