Half-Life: Opposing Force

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Developer: Gearbox Software
Publisher: Valve
Released: 1 Nov 1999
Price: $4.99
Platforms
Followers: 12,288
Steam Deck: Playable
Languages: English +3
Series: Half-Life

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Update posts

0 posts

Posts announcing an update, tagged as patch notes or not

Last 90 days · as of 28 Oct, 02:09 UTC

How this is measured

Posts in a game's official Steam news feed that announce an update: tagged as patch notes by the developer, or plainly about a patch or a released update.

News checked every 7 days. Observed since 19 Oct 2026.

An announcement is not a build. Developers can ship updates without a post, or post about several updates at once.
Untagged posts are recognised from their words, so a few updates are missed and a few other posts may be counted. Tagged posts are marked Patch notes on the Updates tab; recognised ones are marked Update.
Older posts are being read back through each game's history, most played games first, so months before October 2026 fill in over the coming days.

Source: Steam Web API, ISteamNews/GetNewsForApp. Full methodology

Announcements

Half-Life: Opposing Force update released Patch notes
8 Oct 2019 · Community Announcements
Half-Life: Opposing Force update released Update
21 Aug 2018 · Community Announcements
Half-Life: Opposing Force update released Update
10 Jul 2017 · Community Announcements
Half-Life: Opposing Force update released Update
10 Jul 2017 · Community Announcements
Half-Life: Opposing Force update released Update
31 Jul 2013 · Community Announcements
Half-Life: Opposing Force update released Update
31 Jul 2013 · Community Announcements
Half-Life: Opposing Force Beta update released
23 Apr 2013 · Community Announcements
Half-Life: Opposing Force Beta update released
23 Apr 2013 · Community Announcements
Half-Life: Opposing Force Beta update released
3 Apr 2013 · Community Announcements
Half-Life: Opposing Force Beta update released
3 Apr 2013 · Community Announcements
Half-Life: Opposing Force Beta update released
3 Apr 2013 · Community Announcements
Half-Life: Opposing Force Beta update released
3 Apr 2013 · Community Announcements
Half-Life: Opposing Force Beta update released
1 Apr 2013 · Community Announcements
Half-Life: Opposing Force Beta update released
1 Apr 2013 · Community Announcements
Half-Life: Opposing Force Beta released
30 Mar 2013 · Community Announcements
Half-Life: Opposing Force Beta released
30 Mar 2013 · Community Announcements

From the game’s Steam news feed, last checked 28 Oct, 02:09 UTC. An announcement is not a build: games can update without posting. Every public build we saw is on the Builds tab.

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