- PLATFORM
- Steam
- GENRE
- Action
- RELEASED
- 1999
- DRM
- Steam
- STUDIO
- Gearbox Software
Buy Half-Life: Opposing Force Steam key
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.
PRICE DATA LAST CHECKED · SOME LINKS MAY EARN US A COMMISSION
BEST PRICE TODAY
$4.99
at Steam · Direct license · -0% off RRP
US STOREFRONT · DISPLAY CURRENCY MAY BE CONVERTED
Go to Steam → for Half-Life: Opposing ForceCompare prices in official stores
Licences issued directly by the publisher or an authorised retailer. These cannot be revoked.
| Store | Edition | Price | Go to store |
|---|---|---|---|
 SteamOFFICIALDIRECT STEAM LISTING | Standard | CHEAPEST $4.99 | Buy Half-Life: Opposing Force at Steam |
Compare prices in keyshops
Third-party sellers reselling keys on a marketplace. Usually cheaper — read the key type and activation region before the price, then confirm the seller terms on the store page.
| Shop / seller | Edition / key type | Price | Go to store |
|---|---|---|---|
 KinguinMATCHED BY STEAM APP ID Global | Steam giftGIFT DELIVERY · NOT A STANDARD KEY | CHEAPEST $466.54 | Buy Half-Life: Opposing Force at Kinguin |
Gift delivery is not the same as redeeming a product key.
About Half-Life: Opposing Force
Half-Life: Opposing Force was developed by Gearbox Software and published by Valve. The release date was October 31, 1999. The genre is characterised as Action. Half-Life: Opposing Force includes violence throughout the game.
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 compatibility
- Steam Deck
- Unknown
- Linux
- Supported
- macOS
- Native build
PC requirements are publisher-provided through Steam. PriceSpawn does not estimate hardware requirements when a separate tier is not available.
MINIMUM
Minimum: 500 mhz processor, 96mb ram, 16mb video card, Windows XP, Mouse, Keyboard, Internet Connection Recommended: 800 mhz processor, 128mb ram, 32mb+ video card, Windows XP, Mouse, Keyboard, Internet Connection
RECOMMENDED
The publisher has not published separate recommended PC requirements for this game on Steam.
Source: Steam store page
Where to buy Half-Life: Opposing Force cheap
Half-Life: Opposing Force launched at $4.99 in 1999. The cheapest currently listed total is $4.99 at Steam, which is -0% off the recommended price.
Official stores currently match every keyshop listing on this title, which happens more often than people expect on lower-priced games, where a marketplace has very little margin left to give away.
Feed update times differ by store. Confirm the current price, product type and activation region on the store page before completing the purchase. Our comparison methodology explains matching, ranking and checkout-fee limitations.
Half-Life: Opposing Force — frequently asked questions
- What is the cheapest price for Half-Life: Opposing Force?
- $4.99 at Steam — -0% off the $4.99 RRP.
- Where can I download Half-Life: Opposing Force after the purchase?
- Half-Life: Opposing Force activates on Steam. After buying you receive a key or a direct licence, redeem it in the Steam client, and the game stays in your library permanently.
- Is it cheaper to buy Half-Life: Opposing Force from a keyshop or an official store?
- The official stores currently match or beat every keyshop listing, so there is no reason to take on resale risk for this title.
- Is Half-Life: Opposing Force Steam Deck compatible?
- Steam Deck compatibility data is not available for Half-Life: Opposing Force yet.
- Can I play Half-Life: Opposing Force on Mac?
- Yes, Half-Life: Opposing Force has a native macOS build.
- Is Half-Life: Opposing Force Linux compatible?
- Yes — Half-Life: Opposing Force runs on Linux, either natively or reliably through Proton.
