
Project Kat is a short, unconventional RPG horror game in which there is always another way. Solve puzzles, make friends (or not), and guide Kat as she attempts to uncover the mystery behind a strange golden letter.
Only Proton reports exist so far.
Last report Mar 1, 2026
11 reports · Medium confidence: more recent reports would firm this up.
No native Linux build — Proton only
No anti-cheat reports yet
Most reports here are historical ProtonDB imports — be the first to add a fresh Project Kat - Paper Lily Prologue report.
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