Combat
Rhythmic Action Combat
Fight with precision in a timing-sensitive battle system that rewards well-timed parries, dodges, and counterattacks. Chain skills together, manage mana under pressure, and stay in motion to keep control of the fight.
Lost memory returns
The Book of Prosperity 
Neon streets, hidden magic. Forge your prosperity.
Slam enemies with a maths textbook, cast powerful magic, and uncover the buried secrets of a surreal Hong Kong-inspired world.
- Release
- Early 2027
- Platform
- PC · Steam
- Demo
- Available now
Trailer
See it in motion
The game
Combat, parkour, world, story
A 2D action RPG built around precise timing, fast traversal, and a city shaped by lost memories.
Movement
Fast, Fluid Movement
Traverse rooftops, caves, and layered city environments with kinetic parkour. Jump, recover, and move through the world with speed as Cyrus stays one step ahead of The Circle.
World
A Hong Kong-Inspired Magical World
Explore a setting where modern urban architecture, Eastern aesthetics, and surreal fantasy collide. Move between familiar city spaces and a hidden magical realm shaped by lost memories.
Story
A Character-Driven Mystery
Meet a cast of allies and rivals, from the sarcastic Cyrus to the brooding Tonitrus. Uncover their motives, question their loyalties, and navigate the moral grey areas of a story-rich isekai adventure.
Snapshots
Straight from the game
The world
“To remember is to suffer. To forget is to thrive. The Circle is eternal.”
The Book of Prosperity is a 2D action RPG about memory, power, and the price of a seemingly prosperous world. Step into a surreal pixel-art realm where neon-lit cityscapes collide with ancient magic, and where a peaceful surface hides something far more dangerous beneath.
You play as Cyrus, a sharp-tongued student dragged into a parallel dimension shaped by The Circle, a powerful organization that claims to protect people from painful memories. But in a world where forgetting is treated as safety, every missing memory becomes a clue, and every risky choice brings Cyrus closer to the truth.
Wishlist to get notified!
Releasing Early 2027 on Steam. Wishlisting tells Steam to tell you the day it launches.
Stay in the loop
Follow the updates
Demo builds, trailers, and release news land in Discord first.
Who makes it
A solo studio in Hong Kong
SingKeys is a solo independent game developer based in Hong Kong. The Book of Prosperity is his debut commercial title, combining fast 2D action, character-driven storytelling, and a world shaped by both Eastern aesthetics and Western RPG influences.
The story, art, game design, and programming are completed by SingKeys, with support from local Hong Kong artists and composers who help bring the game’s visual identity and soundscape to life.
Team
-
SingKeys
Developer, Level Designer, UI Designer, Animator, Scriptwriter, Marketing Director, Creative Director, QA Tester, that kind of stuff…
-
Cat_1
Fur distributor, Therapist, Cat
-
Cat_2
Noise-maker, Therapist, Cat
Contributors
-
CC01
Music Composer
-
Reducto
Logo Designer, Cover Art Artist
-
Elvis Lai
Portrait Art Artist