Evil mountains is an open world survival game that combines aliens, horror, crafting, base building and tower defence. The game takes place at a remote place somewhere in the Himalayan mountains. Here you'll discover that aliens are real, and you are their prey

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 21638618
Update posts
9 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 |
|---|---|---|
| 21638618 | Update EA 3.6 |
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 |
|---|---|
| 25 Jan 2026 | Update EA 3.6 Patch notes |
| 12 Jan 2026 | 2026-01-12 Hotfix Patch notes |
| 10 Jan 2026 | Another quality of life update: More quick slots Patch notes |
| 3 Jan 2026 | Update EA 3.5 - Quality of life update Patch notes |
| 19 Dec 2025 | 2025-12-19 - Bug fixes and more Patch notes |
| 11 Dec 2025 |
| Put names on your chests Patch notes |
| 6 Dec 2025 | Update - Steel builds Update |
| 22 Nov 2025 | Shutter issue fixed Patch notes |
| 21 Nov 2025 | E.A. 3.3 - Building system update and more Update |
| 8 Oct 2025 | E.A. Update 3.2 - Wrench and portals 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