Mod
Free to play App 3825360
Zombie Panic!
Zombie Panic! was an old prototype survival-horror cooperative Half-Life 1 modification, first released back on Oct 31, 2004 as a beta via ModDB and now re-released officially on Steam for free!
Price
Free
US store
Reviews
81%
174 · Very Positive
Playing now
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not sampled yet
24h peak
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all-time seen —
Followers
—
Steam community hub
Owners (est.)
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from review count
YouTube activity
—
videos · 30 d—
creators—
views · 1 yTwitch activity
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avg viewers · 30 d—
hours watched · 30 d—
streamers · 30 dProduct info
from Steam's PICS · read 4d ago- Change number
- 40,767,127
- Public build
- 22,397,599 · Mar 18, 2026 (8mo ago)
- Operating systems
- windows, linux
- Architecture
- —
- Install size
- 719 MB · 283 MB download
- Install folder
Zombie Panic Mod- Controller support
- —
- Metacritic
- —
- Homepage
- zp1.zombiepanicsource.com/
- Release state
- released
- Community
- hub · Workshop · stats
Steam Deck
PlayableTested Mar 27, 2026 on build 22,280,793
- !Text input does not automatically invokes keyboard
- !Interface text is not legible
- ✓Default controller config fully functional
- ✓Controller glyphs match deck device
- ✓Default configuration is performant
Branches · 1
every build Steam serves for this app| Branch | Build | Updated | Description |
|---|---|---|---|
| public | 22,397,599 | Mar 18, 2026 · 8mo ago |
Build history
every build id we have seen on a branch (history starts with our first read)| Build | Branch | Released | First seen |
|---|---|---|---|
| 22,397,599 | public | Mar 18, 2026 14:30 | 4d ago |
Depots · 5
content of the public branchLaunch options · 2
| Executable | OS | Description |
|---|---|---|
zp.exe-game zp -gl -steam -secure |
windows | |
zp.sh-game zp -gl -steam -secure |
linux |
Languages · 6
| Language | Interface | Full audio | Subtitles |
|---|---|---|---|
| French | ✓ | — | — |
| German | ✓ | — | — |
| English | ✓ | ✓ | — |
| Russian | ✓ | — | — |
| Simplified Chinese | ✓ | — | — |
| Portuguese - Brazil | ✓ | — | — |
Packages · 0
all packagesNo packages recorded yet.
Bundles · 0
all bundlesNot part of any bundle we know.
Updates · patch notes
Steam announcements tagged as patch notes, linked to the public build they followed
No patch notes seen yet for this game.