How long would you survive in this unrealistic representation of the zombie apocalypse? Scavenge for supplies, find a base, and construct your defenses. Break down furniture and board up your home. Set bear traps, nail your axe to a gun, or find your own ways to fight off the undead. VR required.

Public builds
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Counted once we have watched for 90 days (since 21 Oct 2026)
Distinct builds deployed to a game's public (default) Steam branch, as Steam's client network describes them.
Checked within minutes of each Steam change. Observed since 21 Oct 2026.
Source: Steam client network (PICS), App info, public branch. Full methodology
Latest public build
Build 5839587
Update posts
0 postsPosts announcing an update, tagged or not
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.
Source: Steam Web API, ISteamNews/GetNewsForApp. Full methodology
Typical gap between builds
Not enough builds yet| Build | Went live | Patch notes |
|---|---|---|
| 5839587 | Update Live - Leaving Early Access and The Future of UD |
From Steam’s client network, last checked . Builds before 21 Oct 2026, when we started watching, aren't listed. Patch notes are the developer’s update post from an hour before to a day after the build. Not every build gets one. How we count
| Posted | Update |
|---|---|
| 21 Feb 2022 | UD2 Demo Update Update |
| 2 Dec 2021 | UD2 Release update and Demo Update |
| 17 Nov 2020 | Update Live - Leaving Early Access and The Future of UD Update |
| 26 Aug 2019 | Update v.95 live! 2 New maps! Airport and Military Base Patch notes |
| 28 Jun 2019 | Update v.94 live! Valve Index Support, Improved Throwing and Technical Updates. Patch notes |
| 9 Apr 2019 | Update v.93 live! New auto save system added! Patch notes |
| 2 Feb 2019 | Update v.92b live! Performance improvements, bug fixes and tweaks. Patch notes |
Steam keeps no record of past build numbers, so before 21 Oct 2026 a game’s update history comes from its own Steam news: posts tagged as patch notes, and untagged posts that plainly announce a patch or a released update. Older posts are still being read in, most played games first. How we count