Half-Life: Opposing Force
- Developer
- Gearbox Software
- Publisher
- Valve
- Released
- Nov 1, 1999
- Steam reviews
- 95% of players recommend it, from 29,122 reviews — Steam calls that “Overwhelmingly Positive”
- Tags
- Action
On Linux, Steam Deck and Steam Machine
Ships a native Linux build on Steam — no Proton needed. Valve rates it Playable on Steam Deck.
Valve rates it Playable on Steam Machine. Valve marks it SteamOS Compatible.
Native build: Steam · Proton tier: ProtonDB · Deck rating: Valve · Steam Machine, Steam Frame and SteamOS ratings: Valve · Compare 2,053 games · Every game Valve rated for Steam Machine
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About this game
The developer's description, from the game's Steam store page.
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.
System requirements
As Steam lists them.
Windows
Minimum
- 500 mhz processor, 96mb ram, 16mb video card, Windows XP, Mouse, Keyboard, Internet Connection
- 800 mhz processor, 128mb ram, 32mb+ video card, Windows XP, Mouse, Keyboard, Internet Connection
macOS
Minimum
- OS X Snow Leopard 10.6.3, 1GB RAM, 4GB Hard Drive Space,NVIDIA GeForce 8 or higher, ATI X1600 or higher, or Intel HD 3000 or higher Mouse, Keyboard, Internet Connection
SteamOS + Linux
Minimum
- Linux Ubuntu 12.04, Dual-core from Intel or AMD at 2.8 GHz, 1GB Memory, nVidia GeForce 8600/9600GT, ATI/AMD Radeaon HD2600/3600 (Graphic Drivers: nVidia 310, AMD 12.11), OpenGL 2.1, 4GB Hard Drive Space, OpenAL Compatible Sound Card
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