STEAMDB NEXUS

Steam app 50 · updated 12 Sep 2026, 19:11 UTC

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.

Half-Life: Opposing Force Steam header artwork
Gearbox SoftwareValve
133playing now
14724-hour peak
5,373all-time peak
85average, last 30 days

The last 30 days

+0.6Gain+0.71%% gain171Peak

719 hourly samples, with the daily peak drawn over them. Weekends are shaded.

0469213918513 Aug18 Aug23 Aug28 Aug02 Sep07 Sep12 SepThursday 13 August 202693 peakFriday 14 August 2026110 peakSaturday 15 August 2026128 peakSunday 16 August 2026125 peakMonday 17 August 202697 peakTuesday 18 August 2026107 peakWednesday 19 August 2026112 peakThursday 20 August 2026131 peakFriday 21 August 2026119 peakSaturday 22 August 2026134 peakSunday 23 August 2026141 peakMonday 24 August 2026118 peakTuesday 25 August 2026112 peakWednesday 26 August 2026122 peakThursday 27 August 2026127 peakFriday 28 August 2026121 peakSaturday 29 August 2026126 peakSunday 30 August 2026171 peakMonday 31 August 2026115 peakTuesday 01 September 2026123 peakWednesday 02 September 2026120 peakThursday 03 September 2026119 peakFriday 04 September 2026136 peakSaturday 05 September 2026139 peakSunday 06 September 2026145 peakMonday 07 September 2026123 peakTuesday 08 September 2026125 peakWednesday 09 September 2026119 peakThursday 10 September 2026125 peakFriday 11 September 2026114 peakSaturday 12 September 2026147 peak
Daily peakEvery hourly sample

All time

171 months, July 2012 to September 2026. The highest number of people in the game at once, each month, on a time axis -- a gap in the record stays a gap.

01k3k4k6k2012201420172019202120242026July 2012137 monthly peakAugust 2012106 monthly peakSeptember 2012123 monthly peakOctober 2012102 monthly peakNovember 201283 monthly peakDecember 2012119 monthly peakJanuary 2013126 monthly peakFebruary 201396 monthly peakMarch 2013100 monthly peakApril 2013101 monthly peakMay 201387 monthly peakJune 201384 monthly peakJuly 2013204 monthly peakAugust 2013105 monthly peakSeptember 201397 monthly peakOctober 2013145 monthly peakNovember 2013111 monthly peakDecember 2013114 monthly peakJanuary 2014169 monthly peakFebruary 2014122 monthly peakMarch 2014110 monthly peakApril 201496 monthly peakMay 201499 monthly peakJune 2014119 monthly peakJuly 2014106 monthly peakAugust 201493 monthly peakSeptember 2014176 monthly peakOctober 2014183 monthly peakNovember 2014126 monthly peakDecember 2014173 monthly peakJanuary 2015178 monthly peakFebruary 2015130 monthly peakMarch 2015133 monthly peakApril 2015116 monthly peakMay 2015134 monthly peakJune 2015199 monthly peakJuly 2015125 monthly peakAugust 201598 monthly peakSeptember 2015102 monthly peakOctober 2015104 monthly peakNovember 2015209 monthly peakDecember 2015209 monthly peakJanuary 2016216 monthly peakFebruary 2016191 monthly peakMarch 2016135 monthly peakApril 2016136 monthly peakMay 2016124 monthly peakJune 2016158 monthly peakJuly 2016196 monthly peakAugust 2016118 monthly peakSeptember 2016102 monthly peakOctober 201697 monthly peakNovember 2016159 monthly peakDecember 2016199 monthly peakJanuary 2017212 monthly peakFebruary 2017126 monthly peakMarch 2017129 monthly peakApril 2017115 monthly peakMay 2017106 monthly peakJune 2017212 monthly peakJuly 2017237 monthly peakAugust 2017138 monthly peakSeptember 2017181 monthly peakOctober 2017151 monthly peakNovember 2017174 monthly peakDecember 2017192 monthly peakJanuary 2018178 monthly peakFebruary 2018165 monthly peakMarch 2018140 monthly peakApril 2018111 monthly peakMay 2018114 monthly peakJune 2018172 monthly peakJuly 2018175 monthly peakAugust 2018114 monthly peakSeptember 2018113 monthly peakOctober 2018101 monthly peakNovember 2018170 monthly peakDecember 2018174 monthly peakJanuary 2019169 monthly peakFebruary 2019156 monthly peakMarch 2019116 monthly peakApril 2019111 monthly peakMay 2019129 monthly peakJune 2019217 monthly peakJuly 2019230 monthly peakAugust 2019128 monthly peakSeptember 2019127 monthly peakOctober 2019119 monthly peakNovember 2019268 monthly peakDecember 2019254 monthly peakJanuary 2020620 monthly peakFebruary 2020500 monthly peakMarch 2020495 monthly peakApril 2020361 monthly peakMay 2020214 monthly peakJune 2020185 monthly peakJuly 2020225 monthly peakAugust 2020149 monthly peakSeptember 2020136 monthly peakOctober 2020146 monthly peakNovember 2020208 monthly peakDecember 2020228 monthly peakJanuary 2021231 monthly peakFebruary 2021178 monthly peakMarch 2021169 monthly peakApril 2021147 monthly peakMay 2021150 monthly peakJune 2021214 monthly peakJuly 2021221 monthly peakAugust 2021149 monthly peakSeptember 2021151 monthly peakOctober 2021130 monthly peakNovember 2021183 monthly peakDecember 2021186 monthly peakJanuary 2022210 monthly peakFebruary 2022185 monthly peakMarch 2022148 monthly peakApril 2022127 monthly peakMay 2022124 monthly peakJune 2022173 monthly peakJuly 2022174 monthly peakAugust 2022149 monthly peakSeptember 2022119 monthly peakOctober 2022118 monthly peakNovember 2022261 monthly peakDecember 2022264 monthly peakJanuary 2023273 monthly peakFebruary 2023171 monthly peakMarch 2023252 monthly peakApril 2023185 monthly peakMay 2023162 monthly peakJune 2023183 monthly peakJuly 2023258 monthly peakAugust 20235,373 monthly peakSeptember 2023247 monthly peakOctober 2023157 monthly peakNovember 2023616 monthly peakDecember 2023449 monthly peakJanuary 2024337 monthly peakFebruary 2024211 monthly peakMarch 2024229 monthly peakApril 2024194 monthly peakMay 2024165 monthly peakJune 2024207 monthly peakJuly 2024203 monthly peakAugust 2024172 monthly peakSeptember 2024163 monthly peakOctober 2024145 monthly peakNovember 2024475 monthly peakDecember 2024319 monthly peakJanuary 2025269 monthly peakFebruary 2025186 monthly peakMarch 2025190 monthly peakApril 2025163 monthly peakMay 2025148 monthly peakJune 2025183 monthly peakJuly 2025179 monthly peakAugust 2025140 monthly peakSeptember 2025122 monthly peakOctober 2025165 monthly peakNovember 2025206 monthly peakDecember 2025282 monthly peakJanuary 2026270 monthly peakFebruary 2026167 monthly peakMarch 2026222 monthly peakApril 2026160 monthly peakMay 2026183 monthly peakJune 2026192 monthly peakJuly 2026215 monthly peakAugust 2026171 monthly peakSeptember 2026147 monthly peak
Monthly peak

The last four months

Show:

The highest number of people in the game at once, each month. Four, because four is as far back as the source keeps anything finer than one figure a month.

058116174232July 2026August 2026September 2026October 2026July 2026215 peak — daily detail belowAugust 2026171 peak — hourly detail belowSeptember 2026147 peak — hourly detail below
Monthly peakHas finer data

July 2026

31 days, each one the highest figure that day. The source keeps no hourly detail this far back. Weekends are shaded.

05811617423201 Jul06 Jul11 Jul16 Jul21 Jul26 Jul31 JulWednesday 01 July 2026180 peakThursday 02 July 2026191 peakFriday 03 July 2026184 peakSaturday 04 July 2026215 peakSunday 05 July 2026202 peakMonday 06 July 2026183 peakTuesday 07 July 2026171 peakWednesday 08 July 2026177 peakThursday 09 July 2026181 peakFriday 10 July 2026158 peakSaturday 11 July 2026190 peakSunday 12 July 2026173 peakMonday 13 July 2026153 peakTuesday 14 July 2026178 peakWednesday 15 July 2026145 peakThursday 16 July 2026145 peakFriday 17 July 2026141 peakSaturday 18 July 2026148 peakSunday 19 July 2026158 peakMonday 20 July 2026146 peakTuesday 21 July 2026152 peakWednesday 22 July 2026135 peakThursday 23 July 2026144 peakFriday 24 July 2026149 peakSaturday 25 July 2026165 peakSunday 26 July 2026157 peakMonday 27 July 2026136 peakTuesday 28 July 2026132 peakWednesday 29 July 2026125 peakThursday 30 July 2026110 peakFriday 31 July 2026116 peak

August 2026

31 days as the curve, each the highest figure that day. Behind it, 437 hourly samples from 13 Aug, which is as far back as the source keeps every hour. Weekends are shaded.

0469213918501 Aug06 Aug11 Aug16 Aug21 Aug26 Aug31 AugSaturday 01 August 2026134 peakSunday 02 August 2026136 peakMonday 03 August 2026115 peakTuesday 04 August 2026129 peakWednesday 05 August 2026134 peakThursday 06 August 2026134 peakFriday 07 August 2026121 peakSaturday 08 August 2026129 peakSunday 09 August 2026124 peakMonday 10 August 2026112 peakTuesday 11 August 2026110 peakWednesday 12 August 2026101 peakThursday 13 August 2026104 peakFriday 14 August 2026110 peakSaturday 15 August 2026128 peakSunday 16 August 2026125 peakMonday 17 August 202697 peakTuesday 18 August 2026107 peakWednesday 19 August 2026112 peakThursday 20 August 2026131 peakFriday 21 August 2026119 peakSaturday 22 August 2026134 peakSunday 23 August 2026141 peakMonday 24 August 2026118 peakTuesday 25 August 2026112 peakWednesday 26 August 2026122 peakThursday 27 August 2026127 peakFriday 28 August 2026121 peakSaturday 29 August 2026126 peakSunday 30 August 2026171 peakMonday 31 August 2026115 peak

September 2026

12 days as the curve, each the highest figure that day. Behind it, 282 hourly samples. Each dip is a night. Weekends are shaded.

0407911915901 Sep03 Sep05 Sep07 Sep09 Sep11 SepTuesday 01 September 2026123 peakWednesday 02 September 2026120 peakThursday 03 September 2026119 peakFriday 04 September 2026136 peakSaturday 05 September 2026139 peakSunday 06 September 2026145 peakMonday 07 September 2026123 peakTuesday 08 September 2026125 peakWednesday 09 September 2026119 peakThursday 10 September 2026125 peakFriday 11 September 2026114 peakSaturday 12 September 2026147 peak

October 2026

Half-Life: Opposing Force was released on 1 Nov, 1999.

Not out yet.There is nothing to draw for this month.
Nothing here is interpolated or estimated; where a sample is missing the line is broken.

Game information

Updated 12 Sep 2026, 19:11 UTC
App ID
50
Last updated
19 Aug 2020 build 5429885
Developer
Gearbox Software
Publisher
Valve
Release date
1 Nov, 1999
Platforms
WindowsmacOSLinux
Download size
141 MB141 MB141 MB
Install size
273 MB273 MB273 MB
Genres
Action
Game modes
Single-player, Multi-player
Controller support
Unknown

Features & support

Steam features

Valve Anti-Cheat enabledFamily Sharing

Controllers & input

Accessibility

Custom Volume ControlsAdjustable DifficultyPlayable without Timed InputSave Anytime

Popular tags

FPSActionClassicSci-fiSingleplayerShooterFirst-PersonAliens1990'sAdventureMilitaryAtmosphericStory RichSilent ProtagonistGreat SoundtrackGorePuzzleRetroModdableCo-op
About this gameFull description from Steam
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.
Content & age ratingsSteam content notice · 2 regional ratings

Content notice

Half-Life: Opposing Force includes violence throughout the game.

Regional ratings

DEJUS14Violência
IGRS18Kekerasan · Interaksi Daring
System requirementsMinimum and recommended hardware

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

Recommended

macOS

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: 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
Supported languages4 languages
LanguageFull audio
English
French
German
Korean

A blank audio cell means full audio was not marked in the returned language list.

Screenshots & trailersScreenshots and trailers
AchievementsTotal count and selected achievements

16 developer announcements, Mar 2013 to Oct 2019 · times in UTC

October

  1. Half-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…

    Patch notes

August

  1. Half-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…

    mikela

July

  1. Half-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…

    alfred
  2. Half-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…

    alfred

July

  1. Half-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…

    alfred
  2. Half-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…

    alfred

April

  1. Half-Life: Opposing Force Beta update released

    We have released a Beta update for Half-Life: Opposing Force. Changes in this update are: * Added correct game sound track, mastered at 44kHz, 128kbit MP3 for better listening experience ;* Fixed test microphone button not working

    alfred
  2. Half-Life: Opposing Force Beta update released

    We have released a Beta update for Half-Life: Opposing Force. Changes in this update are: Added correct game sound track, mastered at 44kHz, 128kbit MP3 for better listening experience Fixed test microphone button not working

    alfred
  3. Half-Life: Opposing Force Beta update released

    We have released a Beta update for Half-Life: Opposing Force. Changes in this update are: * Added support for voice chat in multi-player ;* Fixed MSAA not applying if your video card did not support…

    alfred
  4. Half-Life: Opposing Force Beta update released

    We have released a Beta update for Half-Life: Opposing Force. Changes in this update are: Added support for voice chat in multi-player Fixed MSAA not applying if your video card did not support GL_EXT_framebuffer_multisample_blit_scaled

    alfred
  5. Half-Life: Opposing Force Beta update released

    We have released a Beta update for Half-Life: Opposing Force. Changes in this update are: * Don't show the full loading dialog when changing level in a single player game ;* Fix up a couple friendly names used for saves ;* Don't cause a…

    alfred
  6. Half-Life: Opposing Force Beta update released

    We have released a Beta update for Half-Life: Opposing Force. Changes in this update are: Don't show the full loading dialog when changing level in a single player game Fix up a couple friendly names used for saves Don't cause a process…

    alfred
  7. Half-Life: Opposing Force Beta update released

    We have released a Beta update for Half-Life: Opposing Force. Changes in this update are: * Added support for friendly save names ;* Fixed missing characters in training level and other areas ;* Fixed incorrect loading dialog on level…

    alfred
  8. Half-Life: Opposing Force Beta update released

    We have released a Beta update for Half-Life: Opposing Force. Changes in this update are: Added support for friendly save names Fixed missing characters in training level and other areas Fixed incorrect loading dialog on level change

    alfred

March

  1. 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…

    alfred
  2. 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…

    alfred

All games on this site