記憶の鍵盤 Uses AI

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A boy who can no longer hear the piano, living in the shadow of his gifted younger brother; a karate girl who is more than a friend but not yet a lover; and a girl with future memories. As past and future entwine, where will this triangle lead in this fleeting, bittersweet summer love story?

Developer: Laplacian
Released: 22 Jul 2025
Price: $14.99
Platforms
Steam Deck: Playable
Languages: Japanese +3

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Public builds

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Counted once we have watched for 90 days (since 21 Oct 2026)

Last 90 days · as of 24 Oct, 22:23 UTC

How this is measured

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.

We see a game's builds only from the day we started watching it. Before that we know just the build it was on, so counts over a window are shown only for games watched for the whole window.
A build is not necessarily a content update: developers also ship fixes, and some builds change only files players never see.

Source: Steam client network (PICS), App info, public branch. Full methodology

Latest public build

20 Oct 2025, 09:02 UTC

Build 20461306

Typical gap between builds

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Public Builds

Public builds of 記憶の鍵盤, newest first
Build	Went live	After the one before	Patch notes
20461306	20 Oct 2025, 09:02 UTC	—	Ver.1.1 English Translation Update

From Steam’s client network, last checked 24 Oct, 22:23 UTC. Builds before 21 Oct 2026, when we started watching, aren't listed. Patch notes are the developer’s post tagged as patch notes from an hour before to a day after the build. Not every build gets one. How we count

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