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Half-Life: Opposing Force

Game overview

Half-Life: Opposing Force

Gearbox Software · Nov 1, 1999

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.

FPS Action Classic Sci-fi Singleplayer
Last tracked players
112
All-time peak
183
24-hour change
Unavailable
Steam reviews
95.3% positive
25,561 reviews · via SteamSpy

Delayed observation · last tracked . Values marked unavailable are not estimated.

Media gallery 5 screenshots · 0 videos
Half-Life: Opposing Force game capsule image

Screenshots

Half-Life: Opposing Force screenshot 1
Half-Life: Opposing Force screenshot 2
Half-Life: Opposing Force screenshot 3
Half-Life: Opposing Force screenshot 4
Half-Life: Opposing Force screenshot 5

Player activity

Concurrent players over the last 48 hours.

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Latest news

All news on Steam ↗
A new Half-Life would have to be VR Half-Life: Opposing Force update released Half-Life: Opposing Force update released
System requirements Windows · macOS · Linux

Windows

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


macOS

Minimum

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

Linux

Minimum

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
Game details Languages, features & support
Publisher
Valve
Brazilian rating
14
Steam Germany rating
16
Content warning
Half-Life: Opposing Force includes violence throughout the game.
Features
Single-player, Multi-player, Custom Volume Controls, Adjustable Difficulty, Playable without Timed Input, Save Anytime, Valve Anti-Cheat enabled, Family Sharing
Languages
English, French, German, Korean
Compatibility & accessibility Steam Deck, controllers & access features

Can I Play This?

Steam declarations and Valve's Steam Deck compatibility result. Missing data is shown as unknown, never unsupported.

Sources fresh
Native Steam builds
Windows: supported
macOS: supported
Linux: supported
Steam Deck
playable
Valve compatibility test
The on-screen keyboard may need to be opened manually.
Input
Controller support: unknown

Steam feature declarations

single player multiplayer family sharing

Developer-declared accessibility on Steam

Features not declared by the developer are not labeled unsupported.

custom volume controls playable without timed input adjustable difficulty save anytime
Structured language support (4)
LanguageInterfaceFull audioSubtitles
EnglishYesNoNo
FrenchYesNoNo
GermanYesNoNo
KoreanYesNoNo
Steam Store app details fresh · checked 2026-11-04 Steam store page fresh · checked 2026-11-01 PCGamingWiki technical notes External link only; SteamIQHQ does not ingest PCGamingWiki content.
More analysis Activity patterns, updates & developer tools

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Game Insights

Buy Verdict

Wait — $4.99.

Wait for upcoming sale in ~13 days for potentially better pricing.

▬ ~13 days until next sale

Value Score

Great Value — 75th percentile.

Price-to-player ratio ranks in the 75th percentile. Priced as Budget at $4.99.

▲ Budget pricing tier

Genre Benchmarks

Player Count Top 45%
Value Ratio Top 25%

Activity Heatmap

UTC+0 (Your Timezone)
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Peak Activity
99
Avg Activity
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Active Hours
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Developer Analytics

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Frequently Asked Questions

Is Half-Life: Opposing Force worth buying right now?
Wait — $4.99. Wait for upcoming sale in ~13 days for potentially better pricing.
When does Half-Life: Opposing Force go on sale?
Wait for upcoming sale in ~13 days for potentially better pricing.
Is Half-Life: Opposing Force free to play?
Half-Life: Opposing Force costs $4.99 on Steam.
What genre is Half-Life: Opposing Force?
Half-Life: Opposing Force is a Action game.
Who developed Half-Life: Opposing Force?
Half-Life: Opposing Force was developed by Gearbox Software and published by Valve.
What platforms does Half-Life: Opposing Force support?
Available on Steam for Windows, macOS, Linux.

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