Zombie Panic! Source

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Dive into the zombie apocalypse with Zombie Panic! Source: a cooperative, survival-horror first-person-shooter. A fast-paced standalone modification.

Developer: Zombie Panic! Team
Released: 3 Oct 2008 (2007)
Price: Free to play
Platforms

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Update posts

0 posts

Posts announcing an update, tagged as patch notes or not

Last 90 days · as of 21 Oct, 21:03 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 180 days. Observed since 21 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

Zombie Panic is now available on Steam!
10 Mar 2026 · Community Announcements
The Future of Zombie Panic! Franchise
9 Dec 2025 · Community Announcements
v3.3 Halloween Update Released Update
30 Oct 2025 · Community Announcements
Celebrating 20 Years of Source with a v2.4 Gamenight Update
16 Nov 2024 · Community Announcements
v3.2.9 Update Released Patch notes
24 Oct 2024 · Community Announcements
Zombie Night Month (ZP1 and ZPS)
3 Jul 2024 · Community Announcements
v3.2.8 Update Released Update
19 Apr 2024 · Community Announcements
Celebrating Half-Life's 25th Anniversary with a ZP1 Gaming Event
19 Nov 2023 · Community Announcements
v3.2.7 Update Released Patch notes
30 Mar 2023 · Community Announcements
v3.2.6 Update Released Patch notes
4 Feb 2023 · Community Announcements

From the game’s Steam news feed, last checked 21 Oct, 21:03 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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