Last 7 days · history since Nov 1, 2026
Screenshots, achievements, specs, every price change and sale we've seen on Steam, and trading cards.
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Steam prices for United States (change the country in the top bar), and Steam keys from authorized stores.
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100% positive of 9 · 9 user reviews · Live from Steam
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[Using Live2D, almost full voice] (Voice is only in Japanese)A mystery that begins with a single invitation received from your uncle.A ``mystery'' that happens to someone who was supposed to be an invited guest. Please try to solve it by yourself.
Live data from Steam, tracked by SteamPlayerBase.
No authorized Steam key store lists this game right now.
What changed on Steam for this game since we started following it: prices and sales, builds, name, release date and review score.
Review score: 100% on 2026-11-01 → 100% today (9 reviews)
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Every build released on Steam for this game since we started tracking it, with the developer's patch notes. Updated within minutes of each new build.
Hello! This is Shian(shian_3rd)!Although it was a little while ago, I'm pleased to report that on May 19th, 2026, we reached 20,000 Lifetime total units (number of users with the game in their library).Two years after release, I never imagined that a free game…
Coming Comic Market 105 (C105) 2nd day 12/30 Monday We will be distributing the setting material collection (already published) and art book (new publication) for this game "Causality Inside The Memory" at West Hall 2 "Ke" Block-07b . ↓Space placement position…
It seems that the mystery novel game ``Causality Inside The Memory'', which begins with a single invitation, has been nominated for a Steam Award...! I would appreciate it if you could give me even one vote. Thank you for your support.
Works great on Steam Deck. Results from Valve's own testing.