Release and product identity
The released game is a single-player Windows title developed and published by Perfect Circle Team S.A. Use App 2938460 for Full Version updates. Demo App 4532800 and Prologue App 4224800 have separate histories.
U.S. price and language snapshot
On September 18, the U.S. storefront showed $17.99 from $19.99, a 10% introductory offer listed through October 1. Prices, taxes and availability depend on your Steam region and may change.
The store lists 18 interface languages. English has full audio; supported interface languages include Simplified Chinese. Check the official store for the full current language matrix.
Launch patches are active
Hotfix #1 and #2 followed the September 17 launch. Hotfix #3 followed September 18 with code optimization, additional achievements and a music track. Read each note's specific scope before declaring a symptom fixed in every possible situation.
Patch changes relevant to this guide
Reviewed against the official Full Version notes below. Earlier developer demonstrations retain their original source dates; this review does not verify unpublished costs or every release-build interaction.
- Patch Notes #21Update and try the same save before any cache workaround. Because the developer still struggles to reproduce the crash, this site's save-load issue remains MONITORING, not universally fixed.
Patch evidence
Updated . Historical demonstrations retain their original dates; a patch label is not a numeric build ID.