Half-Life: Opposing Force
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.
- Released
- 1999
- Developer
- Gearbox Software
- Platforms
- 1 systems
- Critics
- Not scored
- Steam Deck
- playable
- Download
- Not stated
What is Half-Life: Opposing Force?
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.
Description as published by the developer on its own store page, read 30 August 2026. It is marketing copy, not our assessment.
The record
| First released | 19 November 1999 |
|---|---|
| Developer | Gearbox Software |
| Publisher | Not recorded |
| Platforms | PC |
| Genres | First-Person Shooter |
| Languages | 4 supported |
Source. Catalogue facts from Wikidata Q693937, seeded 30 August 2026. Store data from Steam, read 30 August 2026.
How was Half-Life: Opposing Force received?
Method. Player figures are Steam's own totals for the PC version, read 30 August 2026. The Metacritic score is the one Steam publishes on its store page and can lag the site itself. Neither is our opinion. We have not published a review of this game.
Accessibility
Seeing
None declared
Hearing
- Custom Volume Controls
Input
- Playable without Timed Input
Difficulty
- Adjustable Difficulty
- Save Anytime
Method. Features the publisher declared on its own store page. A declaration is a floor, not a review.
What does it support?
| Capability | Support |
|---|---|
| Controller | Not stated |
| Cloud saves | No |
| Cross-platform play | No |
| Mod support | No official workshop |
| Online play | Single-player only |
| In-game purchases | No |
| Steam Deck | playable |
| Download size | Not stated |
| Add-on content | None listed |
| Age gate | None |
Content descriptors
- Frequent violence or gore
- General mature content
Method. Read from the publisher's Steam listing on 30 August 2026. Describes the PC version. Console versions differ.
What does it cost?
Steam price in US dollars, read 30 August 2026. Prices move hourly and vary by region. Check the current price.
Problems players report
We read the 300 most recent negative Steam reviews of Half-Life: Opposing Force on 30 August 2026 and counted what they mention. These are complaints, not confirmed defects: we have not reproduced any of them, and a review describes one person's machine. What the counts tell you is which problems more than one person ran into.
- Crashes and freezes13 of 300 (4%)
Unfortunately, the updated Steam version with widescreen support is broken as of writing, so the game may freeze or crash without warning.
Steam review, 19 November 2023 · 6 hours played · 8 readers marked it helpfulI have not beaten it yet, and this is because I died, then my game crashed, and now whenever i load my save the game just crashes.
Steam review, 6 September 2023 · 6 hours played · 3 readers marked it helpful
A further 13 reviews call the game buggy or broken without saying how, which is why they are counted separately rather than assigned to a theme. Counted by keyword across review text, so a review discussing two problems is counted under both. Read the reviews yourself.
Games like Half-Life: Opposing Force
24 games overlap with Half-Life: Opposing Force on the tags Steam players applied to it, on genre, and on theme. The closest are Half-Life: Blue Shift, Half-Life and Half-Life 2.
Common questions about Half-Life: Opposing Force
What platforms is Half-Life: Opposing Force on?
Half-Life: Opposing Force is available on PC. It first released in 1999.
How much does Half-Life: Opposing Force cost?
$4.99 on Steam in the United States, read on 30 August 2026. Prices move often and vary by region, so check the store before buying.
Do players recommend Half-Life: Opposing Force?
95% of 28,900 Steam reviews are positive, which Steam rates Overwhelmingly Positive. That is players rating it, not our review. We have not published a review of this game.
Does Half-Life: Opposing Force work on Steam Deck?
Valve rates Half-Life: Opposing Force as playable on the Steam Deck, from its own testing.
Who made Half-Life: Opposing Force?
Half-Life: Opposing Force was developed by Gearbox Software.