The Book Of Hiro

A 3D puzzle adventure built around perspective and hidden shapes

MingCang Studio · Published by OKJOY · Released Sep 8, 2023

Reviews: Mixed; 55% of 128
Recent reviews: Not enough recent
Players: 0; daily peak, Oct 28, 2026
Steam Deck: Untested
Last update on Steam: 3 years ago; Sep 13, 2023
Minimum PC: GTX960; 4 GB RAM · 0.5 GB disk; Full requirements

What is The Book Of Hiro?

This single-player puzzle game follows Hero’s journey toward a palace inside a magical storybook. You change the viewing angle and click through 3D scenes to uncover hidden patterns, keys, gears, and other objects, solving puzzles to advance the story.

For you if...

+you enjoy careful observation and visual problem-solving
+you prefer solo adventures with a storybook setting

Not for you if...

−you dislike searching scenes for concealed objects and patterns

What players say

55% of 128 reviews are positive

Players praise the hidden ending.

Screenshots and trailer

The Book Of Hiro system requirements

Minimum: GTX960, 4 GB RAM, 0.5 GB of disk space.

As published by the developer.

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Minimum

OS: Windows7
Processor: i5-3450
Graphics: GTX960
Memory: 4 GB RAM
Storage: 500 MB available space

Does The Book Of Hiro have co-op or multiplayer?

No: single-player only, no multiplayer modes declared.

Single-player

Does The Book Of Hiro run on Steam Deck?

Untested Not yet tested by Valve on Steam Deck.

PC version details

DRM: None declared on Steam
Controller: Keyboard and mouse
Platforms: Windows
Achievements: 15
Steam features: Family Sharing
Languages: Full audio: Simplified Chinese. Text only: English, French, German, Russian, Japanese, Traditional Chinese.

Does The Book Of Hiro use AI-generated content?

No AI-generated content is disclosed on the game's Steam page.

Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 27, 2026. How to filter AI games on Steam