Welcome to the Isekai, world of cute Anime Girls! Isekai Quest! is a Moe-Puzzle RPG game. In this Harem World, the story between you and girls begins.

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 20412903
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 |
|---|---|---|
| 20412903 | 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 |
|---|---|
| 3 Oct 2025 | Security Hotfix Patch notes |
| 3 May 2023 | 1.6.4 : Bug fixes & etc Patch notes |
| 24 Apr 2023 | PUZZLE FEST + ALBUM UPDATE! Update |
| 17 Mar 2023 | 1.5.5 : Hot fix Patch notes |
| 24 Dec 2022 | Update notice! Update |
| 30 May 2022 |
| 1.4.6 Patch note Patch notes |
| 12 Aug 2021 | 1.3.5 : Minor update Patch notes |
| 12 Aug 2021 | 1.3.4 : Hot fix Patch notes |
| 10 Aug 2021 | 1.3.3 : Hot fix Patch notes |
| 9 Aug 2021 | 08/09/2021 Update! Update |
| 2 Jun 2021 | About the reason for the late update Update |
| 21 Oct 2020 | Pre-announcement of the following updates! Update |
| 25 Sept 2020 | 1.0.20 Update! Update |
| 24 Sept 2020 | Hotfix for 144hz+ Monitor users Patch notes |
| 23 Sept 2020 | 1.0.10 Update! Update |
| 16 Sept 2020 | 1.0.2f : HOTFIX! 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