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Project Kat - Paper Lily Prologue

Project Kat - Paper Lily Prologue

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.

Released Oct 15, 2021 Developer Leef 6010 Platforms Windows Psychological HorrorPixel GraphicsAnimeStory RichRPG
View on Steam ↗ Free (US · as of 2026-09-26)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-26.

99.2%positive5,923 reviews
Recommended · 10 found this helpful

“I love love love these kinds of games. As a pixel art lover it's even better if the game's genre is horror, and not only that, psychological horror. I enjoy watching most horror games, but when it comes to pixel horror, I just want to experience it myself. Most of the time you…”

— a player, Steam review · 1 hrs played
Recommended · 2 found this helpful

“A fun lil game where you sneak around school at night collecting chalk to perform an occult ritual with your friends”

— a player, Steam review · 1 hrs played
Recommended · 1 found this helpful

“This game was really fun and really reminds me of the OG RPG maker horror titles~ I had a couple snags with 2 of the achievements but after looking up solutions I can definitely say it was my own fault for not exploring properly. I'm looking forward to playing Paper Lily!”

— a player, Steam review · 5 hrs played
Read more reviews ↗

Player activity

Monthly average concurrent players. History through 2026-08 via SteamCharts; self-collected from the Steam API since Aug 2026.

223all-time peak
0 50 100 2022 2023 2024 2025 2026 91 avg · Oct 2021

Achievement stats

Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-09-26.

10achievements
41.7%median completion
30.5%rarest: Party Up
86.5% of players 69.9% of players 67.5% of players 52.6% of players 44.5% of players 41.7% of players 40.1% of players 38.6% of players 34.0% of players 30.5% of players 86.5% 0% most earned rarest
Almost everyone has
86.5%Goodbye Little Bird — You should be more careful about the decisions you make.
69.9%Now You've Done It — Completed the ritual successfully.
67.5%The End — Reached the true ending.
Rarest badges of honor
30.5%Party Up — Recruit the 3 girls into your party.
34.0%There Is Always Another Way — You've done the opposite of what I expected.
38.6%Click — Picked a lock.

Latest official news

Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.

Mar 22, 2024
Version 1.5.1

Changelog Translations are now included in the Itch.io release as well. Note from the devs updated. Fixed an issue regarding opening the menu in the room where you get trapped. Fixed a typo.

Jan 26, 2024
Chapter 1 is Out!

Hi all! Thank you for waiting. Paper Lily Chapter 1, the sequel to Project Kat, is out today! Kat might not be the protagonist, but the story continues! More information here . https://store.steampowe

May 21, 2023
Version 1.4.1

Fixed some dialogues that weren't triggering. Improved performance for certain event triggers and checks. Improved translation system to support more complex translations. Added Vietnamese translation

Apr 04, 2023
Version 1.4.0

Hi all! We have a new translation update for Project Kat and a few notes on the Paper Lily Steam release! First things first: New translations We've added a new official translation (French - thanks L

Dec 02, 2022
Version 1.3.2

Hello all! Project Kat has had a small quality of life update fixing some of the issues we were notified about, no changes to story or gameplay. This update contains over a year of engine improvements

Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

From the Steam store record, snapshot 2026-09-26.

GenresAdventure, Indie, RPG, Free To Play
Player tagsPsychological Horror · Pixel Graphics · Anime · Story Rich · RPG · Adventure · Puzzle · Exploration · Choices Matter · Multiple Endings · Cute · Horror (Steam store community voting)
FeaturesSingle-player · Steam Achievements · Full controller support · Steam Cloud · Remote Play on TV · Family Sharing
LanguagesEnglish, Japanese, French
ControllerFull support
Achievements10
Minimum system requirements (PC)

Minimum: Requires a 64-bit processor and operating system OS *: Windows 7 (64-bit) or above Processor: Intel Core i3 4th generation or above Memory: 4 GB RAM Graphics: OpenGL ES 3.0 Compatible Storage: 150 MB available space Sound Card: WASAPI Compatible