ASPIS is a story-driven first-person horror game set in the late-1980s USSR. Engineer Andrey enters an experimental system to see his deceased family again. But the machine opens worlds it was never meant to find. Explore the institute and step beyond reality.

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 26289561
Update posts
3 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
12 hoursMiddle gap across the last 7 builds we saw
| Build | Went live | Patch notes |
|---|---|---|
| 26289561 | Major Stability Update and Future Plans | |
| 26216661 | ASPIS UPDATE | Gameplay, Balance, and Stability Improvements | |
| 26186736 | Gameplay Improvements, Stability Fixes & New Languages | |
| 26178821 | None posted | |
| 26170145 | None posted | |
| 26166535 | None posted | |
| 26158332 | 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.
| Posted | Update |
|---|---|
| 18 Jun 2025 | Major technical update of the demo version Update |
| 7 Jun 2025 | Technical update #2 Update |
| 5 Jun 2025 | Technical update of the demo version Patch notes |
| 4 Jun 2025 | Fire Fix & Subtitles Update 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