Important: Please play Steam copies of Opposing Force!
We love WON copies, but sadly they are not counted :(
Watch
Play alongside streamers from around the community
Multiplayer
Come displace people to Xen in our Opposing Force multiplayer servers!
#OpposingTheBar
On August 13 2023, Half-Life fans around the world will attempt to break the Opposing Force SteamDB all-time peak player record.
3PM GMT • 4PM BST • 5PM CEST • 11AM EDT • 8AM PDT