Turn a small reading room into a legendary archive of knowledge in this relaxing idle incremental game featuring research upgrades, prestige progression, and offline growth

Public builds
—No reading yet
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 22450384
Update posts
6 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 |
|---|---|---|
| 22450384 | Minor Update – Prestige & Ascension Progress Bars |
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 |
|---|---|
| 22 Mar 2026 | Minor Update – Prestige & Ascension Progress Bars Patch notes |
| 21 Mar 2026 | Minor Update – Dark Mode Patch notes |
| 20 Mar 2026 | Major Update – Collections, Stats, Bug Fixes & More Update |
| 20 Mar 2026 | Minor Update – Achievements & Theme Polish Update |
| 19 Mar 2026 | Idle Library — Major Update: The Grand Overhaul Update |
| 18 Mar 2026 |
| 📚 Idle Library — Major Update: The Grand Ascension 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