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Publisher not reported

Half-Life: Opposing Force

Game First reported release

Game details

First release year
1999

Platforms

Genres

Play modes

  • single-player video game
  • multiplayer video game

Engines

  • GoldSrc

Localized titles

  • Half-Life: Opposing Force

Steam version platforms

  • Windows*
    Supported
    Yes*
  • macOS*
    Supported
    Yes*
  • Linux*
    Supported
    Yes*

Store genres

  • Action*

Game features

  • Single-player*
  • Multi-player*
  • Custom Volume Controls*
  • Adjustable Difficulty*
  • Playable without Timed Input*
  • Save Anytime*
  • Valve Anti-Cheat enabled*
  • Family Sharing*

Interface languages

  • English*
  • French*
  • German*
  • Korean*

Community tags · historical

  • FPS*
    Votes · historical
    934*
  • Action*
    Votes · historical
    362*
  • Classic*
    Votes · historical
    291*
  • Sci-fi*
    Votes · historical
    285*
  • Singleplayer*
    Votes · historical
    267*
  • Shooter*
    Votes · historical
    251*
  • First-Person*
    Votes · historical
    222*
  • Aliens*
    Votes · historical
    213*
  • 1990's*
    Votes · historical
    169*
  • Adventure*
    Votes · historical
    142*
  • Military*
    Votes · historical
    133*
  • Atmospheric*
    Votes · historical
    133*
  • Story Rich*
    Votes · historical
    104*
  • Silent Protagonist*
    Votes · historical
    100*
  • Great Soundtrack*
    Votes · historical
    78*
  • Gore*
    Votes · historical
    66*
  • Puzzle*
    Votes · historical
    64*
  • Moddable*
    Votes · historical
    46*
  • Retro*
    Votes · historical
    45*
  • Co-op*
    Votes · historical
    43*

System requirements

  • Windows · Minimum*
    Requirements
    500 mhz processor, 96mb ram, 16mb video card, Windows XP, Mouse, Keyboard, Internet Connection*
    Graphics alternatives
    Nvidia GeForce 8 series*
    Processor alternatives
    500 MHz*
  • Windows · Recommended*
    Requirements
    800 mhz processor, 128mb ram, 32mb+ video card, Windows XP, Mouse, Keyboard, Internet Connection*
  • Linux · Minimum*
    Requirements
    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*
  • macOS · Minimum*
    Requirements
    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*

Compatibility and community reports

  • Steam Deck*
    Compatibility category
    Playable*
  • Linux · Community reports · 2026-06-27*
    Community Linux compatibility tier
    Platinum*
    Reports
    29*
    Community confidence
    good*
  • Steam Deck · 2026-06-27*
    Compatibility category
    Playable*

Studios & publishers

Developers

  • Gearbox Software

Publishers

  • Valve*

Release history

  • 1999-11-19
    Date precision
    Exact date
  • 2013-03-30
    Date precision
    Exact date
    Platform
    macOS
  • 2013-03-30
    Date precision
    Exact date
    Platform
    Linux

Store release history

  • Steam*
    Release date
    Nov 1, 1999*

System configuration

Detailed specifications

Specifications 1 · 2 fields
Steam Deck compatibility
Playable*
Steam Deck compatibility
Steam Deck
Compatibility category
Playable*
Specifications 2 · 6 fields
Windows minimum processor requirement
500 MHz*
Windows minimum graphics requirement
Nvidia GeForce 8 series*
Name
Half-Life: Opposing Force*
Release year
1,999*
Windows minimum processor requirement
Windows · Minimum
Processor alternatives
500 MHz*
Windows minimum graphics requirement
Windows · Minimum
Graphics alternatives
Nvidia GeForce 8 series*
Specifications 3 · 31 fields
Achievements · historical
0*
Mean playtime over the reported two-week window (historical)
2* min
Mean playtime since March 2009 (historical)
415* min
Features
  • Single-player*
  • Multi-player*
  • Custom Volume Controls*
  • Adjustable Difficulty*
  • Playable without Timed Input*
  • Save Anytime*
  • Valve Anti-Cheat enabled*
  • Family Sharing*
Developers
  • Gearbox Software*
DLC count · historical
0*
Estimated ownership range (historical)
2000000 - 5000000*
Store genres
  • Action*
Linux support · historical
Yes*
macOS support · historical
Yes*
Median playtime over the reported two-week window (historical)
2* min
Median playtime since March 2009 (historical)
202* min
Name
Half-Life: Opposing Force*
Negative reviews · historical
1,198*
Peak ccu
74*
Positive reviews · historical
24,363*
Price (historical; currency unreported)
1.24*
Publishers
  • Valve*
Recommendations
23,464*
Store release date · historical
Nov 1, 1999*
Interface languages
  • English*
  • French*
  • German*
  • Korean*
Windows support · historical
Yes*
Features
Single-player
Single-player*
Multi-player
Multi-player*
Custom Volume Controls
Custom Volume Controls*
Adjustable Difficulty
Adjustable Difficulty*
Playable without Timed Input
Playable without Timed Input*
Save Anytime
Save Anytime*
Valve Anti-Cheat enabled
Valve Anti-Cheat enabled*
Family Sharing
Family Sharing*
Developers
Gearbox Software
Gearbox Software*
Store genres
Action
Action*
Linux support · historical
Linux
Supported
Yes*
macOS support · historical
macOS
Supported
Yes*
Publishers
Valve
Valve*
Store release date · historical
Steam
Release date
Nov 1, 1999*
Interface languages
  • English*
  • French*
  • German*
  • Korean*
Windows support · historical
Windows
Supported
Yes*
Specifications 4 · 21 fields
Mean playtime over the reported two-week window (historical)
281* min
Mean playtime since March 2009 (historical)
403* min
Ccu
74*
Developer
Gearbox Software*
Historical discount
0* %
Store genres
  • Action*
Historical US original list price
499* US cents
Languages
  • English*
  • French*
  • German*
  • Korean*
Median playtime over the reported two-week window (historical)
281* min
Median playtime since March 2009 (historical)
140* min
Name
Half-Life: Opposing Force*
Negative reviews · historical
1,198*
Estimated ownership range (historical)
2,000,000 .. 5,000,000*
Positive reviews · historical
24,363*
Historical US price
499* US cents
Publisher
Valve*
Community tags · historical
  • FPS*
  • Action*
  • Classic*
  • Sci-fi*
  • Singleplayer*
  • Shooter*
  • First-Person*
  • Aliens*
  • 1990's*
  • Adventure*
  • Military*
  • Atmospheric*
  • Story Rich*
  • Silent Protagonist*
  • Great Soundtrack*
  • Gore*
  • Puzzle*
  • Moddable*
  • Retro*
  • Co-op*
Store genres
Action
Action*
Languages
  • English*
  • French*
  • German*
  • Korean*
Community tags · historical
FPS
FPS*
Action
Action*
Classic
Classic*
Sci-fi
Sci-fi*
Singleplayer
Singleplayer*
Shooter
Shooter*
First-Person
First-Person*
Aliens
Aliens*
1990's
1990's*
Adventure
Adventure*
Military
Military*
Atmospheric
Atmospheric*
Story Rich
Story Rich*
Silent Protagonist
Silent Protagonist*
Great Soundtrack
Great Soundtrack*
Gore
Gore*
Puzzle
Puzzle*
Moddable
Moddable*
Retro
Retro*
Co-op
Co-op*
Tags votes
FPS
Votes · historical
934*
Action
Votes · historical
362*
Classic
Votes · historical
291*
Sci-fi
Votes · historical
285*
Singleplayer
Votes · historical
267*
Shooter
Votes · historical
251*
First-Person
Votes · historical
222*
Aliens
Votes · historical
213*
1990's
Votes · historical
169*
Adventure
Votes · historical
142*
Military
Votes · historical
133*
Atmospheric
Votes · historical
133*
Story Rich
Votes · historical
104*
Silent Protagonist
Votes · historical
100*
Great Soundtrack
Votes · historical
78*
Gore
Votes · historical
66*
Puzzle
Votes · historical
64*
Moddable
Votes · historical
46*
Retro
Votes · historical
45*
Co-op
Votes · historical
43*
Specifications 5 · 28 fields
Features
  • Single-player*
  • Multi-player*
  • Custom Volume Controls*
  • Adjustable Difficulty*
  • Playable without Timed Input*
  • Save Anytime*
  • Valve Anti-Cheat enabled*
  • Family Sharing*
Developers
  • Gearbox Software*
Store genres
  • Action*
Free to play · historical
No*
Linux requirements
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*
macOS requirements
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*
Name
Half-Life: Opposing Force*
Windows requirements
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 *
Platforms
  • windows*
  • mac*
  • linux*
Historical price currency
USD*
Discount percentage (historical)
0*
Historical store price
$4.99*
Publishers
  • Valve*
Recommendations total
23,174*
Coming soon · historical store status
No*
Store release date · historical
Nov 1, 1999*
Interface languages
English, French, German, Korean*
Type
game*
Features
Single-player
Single-player*
Multi-player
Multi-player*
Custom Volume Controls
Custom Volume Controls*
Adjustable Difficulty
Adjustable Difficulty*
Playable without Timed Input
Playable without Timed Input*
Save Anytime
Save Anytime*
Valve Anti-Cheat enabled
Valve Anti-Cheat enabled*
Family Sharing
Family Sharing*
Developers
Gearbox Software
Gearbox Software*
Store genres
Action
Action*
Linux requirements
Linux · Minimum
Requirements
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*
macOS requirements
macOS · Minimum
Requirements
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*
Windows requirements
Windows · Minimum
Requirements
500 mhz processor, 96mb ram, 16mb video card, Windows XP, Mouse, Keyboard, Internet Connection*
Windows · Recommended
Requirements
800 mhz processor, 128mb ram, 32mb+ video card, Windows XP, Mouse, Keyboard, Internet Connection*
Platforms
Windows
Supported
Yes*
macOS
Supported
Yes*
Linux
Supported
Yes*
Publishers
Valve
Valve*
Store release date · historical
Steam
Release date
Nov 1, 1999*
Interface languages
  • English*
  • French*
  • German*
  • Korean*
Specifications 6 · 15 fields
Co-op listed on Steam · 2026-06-27
No*
Steam Deck compatibility · 2026-06-27
playable*
Store genres
Action*
Local co-op listed on Steam · 2026-06-27
No*
Owners-based popularity rank · 2026-06-27
3*
Community Linux rating confidence · 2026-06-27
good*
Community Linux report count · 2026-06-27
29*
Community Linux compatibility tier · 2026-06-27
platinum*
PvP listed on Steam · 2026-06-27
No*
Steam release year · historical
1,999*
Title
Half-Life: Opposing Force*
Coming soon · historical Steam listing
No*
Steam Deck compatibility · 2026-06-27
Steam Deck · 2026-06-27
Compatibility category
Playable*
Store genres
Action
Action*
Community Linux compatibility tier · 2026-06-27
Linux · Community reports · 2026-06-27
Community Linux compatibility tier
Platinum*
Reports
29*
Community confidence
good*

Keep exploring

* Provisional data