Steam Deck Verified · RPG · 2021
Does Project Kat - Paper Lily Prologue work on Steam Deck?
Yes. Valve has tested it and rates it Steam Deck Verified.

Verified
Short answer: yes. Project Kat - Paper Lily Prologue is Steam Deck Verified. Valve has tested it and it works great on Steam Deck straight out of the box.

Valve's Steam Deck test results
Valve's detailed notes for this game will appear here soon. You can see them now on the Steam store page.
Steam Deck status checked 9 November 2026.
About Project Kat - Paper Lily Prologue
- Developer
- Leef 6010
- Publisher
- Leef 6010
- Release date
- 15 October 2021
- Genre
- RPG, Adventure
- Price
- Free to play
- Steam
- Store page





