Half-Life: Opposing Force
BANGER · Shooter · 1999
Steam Deck PlayableThe verdict
BUY IT.
A BANGER at $4.99. Typically $1.24 in seasonal sales. The Winter Sale opens Dec 17.
- Cost per hourS
- $0.96/hr
- ReviewsS
- 95% of 29,273
- Genre rank
- Top 1% Shooter
Watch this gameOne alert when it goes on sale.
Time and effort
- Main story
- 5.2h
- To 100%
- 7.1h 1.4x the story
Price and sales
- Sales
- 53 on record
- Typical cut
- 80% off
- Steam low
- $0.49 June 2019
- Sale every
- 95d last October 2026
Players and genre
- Online
- 51 now
- Recent reviews
- 94% 30 days
- Cheaper than
- 72% of its genre
- Better reviewed
- 97% of its genre
Price and player charts
The value story
The value story
Across all 53 discounts in the 14 years tracked, the median cut is 80 percent, about 14 weeks apart. Today it is at full price, and its last discount ended about 4 weeks ago.
Its score puts it in the top 1 percent of the games it competes with. It is cheaper than 72 percent of its genre, and better reviewed than 97 percent. Among the games that feel like it, Half-Life ($9.99, scores 95) beats it on value, while it beats Half-Life: Blue Shift ($4.99, scores 87).
On this data it would still be a BANGER at $7.52.
More about Half-Life: Opposing Force
Of the 800 Steam-purchase reviews this site sampled, 4 come from buyers who refunded the game, sampled from reviews written September 2023 to August 2026. Inside the two-hour refund window, 89 percent of the 2,573 reviews written there were positive, against 95 percent overall, and those are 10 percent of everything written about it.
Buy now or wait
Buy now or wait
Next discount: likely in the Winter Sale, Dec 17 to Jan 4, at about $0.99 (80% off). Predictions like this were right 92% of the time when tested on 70 past weeks.
Discounted in each of its last 8 seasonal sales. Last discount ended 31 days ago.
Sources: IsThereAnyDeal, Valve.
What drives the score
Grades: S best, D weakest
S is the best grade and D the weakest, judged as a buyer. ▲ raises the score, ▼ lowers it, ? is an input we do not have, • is a fact this genre's score does not use. How the grades work
What players say
As far as I know, this is the only Gearbox Half Life campaign without something proving its canonicity in the newer games. Blue Shift and the PS2 co-op mode has "infinite harmonic reflux" which is seen at the start of HL2 but Opposing Force wasn't so lucky. Dissapointing to see a great game go neglected.
2 more reviews
Solid expansion to Half Life 1 that takes place during the same events just from a different perspective with its own sequence of unique events. Has a great arsenal of late game weapons as well tho that starting pistol is so bad until the more mid sized enemies show up.
Half-Life: Opposing Force is amazing and I am so happy I finaly got to play it for myself. This expansion pack is at times better than Half-Life but at other times so much worse, I'll explain why. I want to say what I liked forst. The arsenal in this game is way more fun than in normal Half-Life. You get a lot of usefull stuff like the M-40A1 Sniper Rifle, the M249, the Barnacle Grapple and the Desert Eagle (with a...
Steam reviews, mixed to its ratio and rotated daily. Opinions are theirs.
About 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.
Minimum specs
Runs on Windows, macOS, Linux.
No data upstream: critic score (Metacritic), achievement curve (Steam global achievements).
Cite this score
Half-Life: Opposing Force scores 93/100 on the BANG Score (a BANGER) as of Nov 8, 2026. The BANG Score rates what a game is worth for the money. Via Steam BANGERS. https://steambangers.com/game/50/half-life-opposing-forceReviews set the ceiling, and price against real length moves the BANG Score inside it. How it works, and where it is weak → Steam reviews as of Oct 31, price as of Nov 7. A number here look wrong? Tell me and I will check the inputs.