Catalogue record · github
算数を解くたびに演出と音が増幅する、ブラウザ完結の計算ドリル
Seen on github · last checked 2026-10-02.
The teardown — how it actually charges, which mechanism was found, and the seam worth taking — is in the daily letter. This page carries the record and the signals so search engines and link previews have something real to read; the judgement stays with the readers who asked for it.
Get the daily letterThe same record sits in the full catalogue, where every entry can be searched and filtered by the signals above.