Control Lefty with your left hand, and Righty with your right. At the same time! Don't worry — it's a single-player game. No friends required. Use both hands to control two characters at once and escape the underground research facility!

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 25426966
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 |
|---|---|---|
| 25426966 | UI Bug Fix! |
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 |
|---|---|
| 20 Sept 2026 | UI Bug Fix! Patch notes |
| 13 Sept 2026 | Speedrun Leaderboards Added Patch notes |
| 12 Sept 2026 | Leaderboard Scrolling & Speedrun UI Fix Patch notes |
| 11 Sept 2026 | Fixed Speedrun Continue Bug Patch notes |
| 11 Sept 2026 | Fixed Hard Mode Completion Achievement Bug! Patch notes |
| 11 Sept 2026 |
| 1.1 Update Update |
| 26 Aug 2026 | Game-Breaking Bug Fixed! Patch notes |
| 22 Aug 2026 | Difficulty Adjustment Patch! Patch notes |
| 21 Aug 2026 | Freeze Bug Fixed! 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