Steam Deck Playable · Action · 1999
Does Half-Life: Opposing Force work on Steam Deck?
Mostly. Valve rates it Steam Deck Playable, with a few caveats.
Playable
Short answer: mostly. Half-Life: Opposing Force is rated Steam Deck Playable. It runs, but you may need to adjust settings or use the touchscreen or on-screen keyboard at times.
Check price on Gamivo →
Gamivo is a key marketplace with many sellers. Check the key is for Steam and works in your region before buying. How Gamivo keys work
Valve's Steam Deck test results
Valve's detailed notes for this game will appear here soon. You can see them now on the Steam store page.
Steam Deck status checked 9 November 2026.
About Half-Life: Opposing Force
- Developer
- Gearbox Software
- Publisher
- Valve
- Release date
- 1 November 1999
- Genre
- Action, Adventure
- Steam
- Store page
