in REDDOOR the player must survive against endless rounds of the undead, opening and clearing doors and using weapons, perks, utilities, and Power-Ups to their advantage to survive.

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 17003615
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 |
|---|---|---|
| 17003615 | None posted |
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 |
|---|---|
| 8 Jul 2024 | v5.161 Frenzy Perk and Random perk machine Update |
| 21 Jun 2024 | REDDOOR Update Version 5.16 Update |
| 30 Nov 2023 | v5.15 FULL RELEASE Update |
| 28 Oct 2023 | v5.14 VISION PERK, WEAPON REBALANCE AND IMPROVEMENTS Update |
| 24 May 2023 | v5.13 CODENAME STALK, BUILD STATION Update |
| 13 May 2023 |
| v5.12 WEAPON RETICLES, ANIMATED SKINS Update |
| 8 May 2023 | v5.1 UPGRADE STATION AMMO TYPES: REAPER, ELECTRICITY, AND OVERDRIVE Update |
| 30 Apr 2023 | v5.08 CODENAME REDFALL EXPANSION, AKIMBO WEAPONS AND MORE Update |
| 28 Apr 2023 | v5.079 LINUX AND LEADERBOARDS Update |
| 16 Apr 2023 | v5.07 5 NEW WEAPONS Update |
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