How many people are playing Half-Life: Opposing Force right now?

70 people are playing Half-Life: Opposing Force on Steam right now, making it the 2885th most played game on Steam. In the last 24 hours it peaked at 139 players. The number updates every few minutes.

What is Half-Life: Opposing Force's all-time peak player count?

Half-Life: Opposing Force's highest concurrent player count on Steam is 5,639, reached in August 2023.

Is Half-Life: Opposing Force good? What do Steam reviews say?

95% of 25,694 Steam user reviews are positive (Overwhelmingly Positive).

How much does Half-Life: Opposing Force cost on Steam?

Half-Life: Opposing Force costs $4.99 on Steam (US).

Does Half-Life: Opposing Force work on Steam Deck?

Half-Life: Opposing Force is Playable on Steam Deck (with small issues), according to Valve's Steam Deck compatibility check.

Half-Life: Opposing Force

by Gearbox Software · published by Valve · Released Nov 1, 1999

Steam Deck PlayableLinux & Deck: Platinum

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Players now

#2,885

▲ 22.8%vs 24h ago · updates every minute

Review score

95% positive

Overwhelmingly Positive25,694 reviews

Owners (est.)2M–5M

24h peak

139

Highest seen5,639

Aug 20233.3 years ago

Price on Steam

$4.99

Lowest ever $4.99 Oct 2026

RisingSteadyFalling

Players +22.8% in the last 24 hoursUpdated 11:03 UTC · tracking since 2012-07-01

Concurrent players

Last 7 days

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Players onlineSteam sale started

Media & details

Screenshots, achievements, specs and price history from Steam.

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Where to buy

Steam prices for United States (change the country in the top bar), and Steam keys from authorized stores.

Steam Official

Prices update every 6 hours

$4.99

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Other authorized stores

No authorized Steam key store lists this game right now.

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Editions and bundles on Steam

Half-Life: Opposing ForceEdition
$4.99
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Bundles with this game (3), biggest discount first

Half-Life 1 AnthologyBundle
$13.71
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Half-Life CompleteBundle
$26.94
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Valve Complete PackBundle
$116.84
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Reviews

95% positive of 25,694 · Overwhelmingly Positive · Live from Steam

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Steam Deck

Works, but may need extra effort. Results from Valve's own testing.

Steam Deck Playable

!Default controller config not fully functional
!Controller glyphs do not match deck device
!Text input does not automatically invokes keyboard
!Interface text is not legible
!Native resolution not supported
✓Default configuration is performant

Steam Deck

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Patches & builds

Every build released on Steam for this game since we started tracking it, with the developer's patch notes. Updated within minutes of each new build.

Aug 19, 2020, 2:56 AM UTC
Build 5429885the current build when we started tracking357 MB on Windows

Patch notes

Oct 8, 2019
PatchHalf-Life: Opposing Force update released
An update for Half-Life: Opposing Force is now available: Fixes Fixed end of game transition failing to run after defeating final boss Fixed grapple sound effects and alternate fire Fixed crash when target of a Gonome projectile is killed Fixed sniper rifle us…
Aug 21, 2018
PatchHalf-Life: Opposing Force update released
A small update for Half-Life: Opposing Force is now available: Engine Fixed bug in skybox image loading Fixed bug in demo command processing Prevent certain path characters from being used in commands Enforce certain extensions be used for files specified in s…
Jul 11, 2017
PatchHalf-Life gets new patch, almost 19 years after launch
Though Half-Life is almost nineteen years old and its sanctioned fan remake Black Mesa is nearing completion , Valve have launched a wee patch for their pretty okay or whatever vintage FPS. The patch fixes a few crashes and exploits, and hit other Half-Life en…
Jul 10, 2017
PatchHalf-Life: Opposing Force update released
We have updated the public release of Half-Life: Opposing Force. Changes in this update are: Fixed crash when entering certain malformed strings into the game console. Thanks to Marshal Webb from BackConnect, Inc for reporting this. Fixed crash when loading a …
Jul 10, 2017
PatchHalf-Life: Opposing Force update released
We have updated the public release of Half-Life: Opposing Force. Changes in this update are: Fixed crash when entering certain malformed strings into the game console. Thanks to Marshal Webb from BackConnect, Inc for reporting this. Fixed crash when loading a …
Jul 31, 2013
PatchHalf-Life: Opposing Force update released
We have updated the public release of Half-Life: Opposing Force. This update contains all the changes from the recent beta, thanks to the whole community for their help with testing and suggesting new features. Changes in this update are: Converted Half-Life: …

Other news (4)

Nov 19, 2019
A new Half-Life would have to be VR
Like Doc Brown, I once hit my head and saw the future. I didn't come round in the bathroom having the idea for the Flux Capacitor, but I did bonk my noggin pretty hard in the office games room and sit back, dazed but delighted with what had just happened. I wa…
Nov 21, 2016
Monday morning machinima: watch the Saxxy winners
What use are Saturday morning cartoons? Who’s even around to see those? Mate, what I need is Monday morning cartoons. Some short fun cartoons around 10 on my first day back at work sounds just the ticket. So come on, let’s enjoy the 2016 Saxxy Awar…
Mar 30, 2013
Half-Life: Opposing Force Beta released
Half-Life: Opposing Force is now available as a Beta. This beta adds Linux and OS X support. This beta involves significant changes for all platforms and your testing is appreciated, please report any bugs to our GitHub page, https://github.com/ValveSoftware/h…
Mar 30, 2013
Half-Life: Opposing Force Beta released
Half-Life: Opposing Force is now available as a Beta. This beta adds Linux and OS X support. This beta involves significant changes for all platforms and your testing is appreciated, please report any bugs to our GitHub page, https://github.com/ValveSoftware/h…

Patches & builds

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History

What changed on Steam for this game since we started following it: prices and sales, builds, name, release date and review score.

Review score: 95% on 2026-11-01 → 95% today (25,694 reviews)

Oct 31, 2026Price$4.99

History

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Trading cards

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