The Grade 5B Case Files

Detective visual novel about two girls solving everyday school mysteries

狸老师工作室 · Published by Eternal Dream · Released Jul 26, 2026

Reviews: Very Positive; 91% of 146
Recent reviews: Not enough recent
Players: 0; daily peak, Oct 28, 2026
Steam Deck: Untested
Last update on Steam: 2 months ago; Aug 22, 2026
Minimum PC: As long as the screen can…; 0.5 GB RAM · 1 GB disk; Full requirements

What is The Grade 5B Case Files?

In this single-player mystery adventure, you follow fifth-graders Watsonia and Holmlyn as they investigate unusual incidents at Seashell Elementary School. You collect clues, consult Watsonia’s notebook, and make deductions across a chapter-based story. The opening chapter is free and stands alone, with later chapters planned as DLC.

For you if...

+you prefer short chapters lasting about an hour each

Not for you if...

−you want branching storylines instead of a fixed narrative

What players say

91% of 146 reviews are positive

Players praise the art and gentle stories, but several describe limited interaction and more reading than hands-on investigation.

Screenshots and trailer

The Grade 5B Case Files system requirements

Minimum: As long as the screen can…, 0.5 GB RAM, 1 GB of disk space.

As published by the developer.

Can my PC run The Grade 5B Case Files?

The published requirements do not name a graphics card we can compare.

Set up my PC →

Minimum

OS: Any version of Windows
Processor: As long as the computer can boot up
Graphics: As long as the screen can display something
Memory: 512 MB RAM
Storage: 1 GB available space

Does The Grade 5B Case Files have co-op or multiplayer?

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

Single-player

Does The Grade 5B Case Files 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: Cloud saves, Family Sharing
Languages: Text only: Simplified Chinese, English, Japanese, Traditional Chinese.

Does The Grade 5B Case Files 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