The Grade 5B Case Files — free to play
Is it worth buying?
Reviews are excellent (Steam 91%)
About the game
The Grade 5B Case Files is a narrative adventure (AVG) centered on everyday mysteries drawn from elementary-school student life. Its two lead characters run into odd little incidents around the school that look ordinary at first but turn out to be strange, and players join them in piecing together the truth through careful investigation and logical reasoning. It's classified as adventure, indie, and RPG, and it's free to play. Developer 狸老师工作室 made it, Eternal Dream publishes it, and it's been out since 2026.
Did you know?
On Steam, 91% of its 137 reviews are positive, earning the game a "Very Positive" rating.
Free-to-play · Steam
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System requirements
| Minimum | Recommended | |
|---|---|---|
| OS | Any version of Windows | Windows XP/Vista/7/8/8.1/10 |
| Processor | As long as the computer can boot up | Intel I3/I5/I7 |
| Memory | 512 MB RAM | 4 GB RAM |
| Graphics | As long as the screen can display something | nVidia GT1030 |
| Storage | 1 GB available space | 1 GB available space |
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About this game — FAQ
Can The Grade 5B Case Files be played single-player?
Yes, The Grade 5B Case Files is a single-player game.
What languages does The Grade 5B Case Files support?
The Grade 5B Case Files is available in: Simplified Chinese, English, Japanese, Traditional Chinese.
Does The Grade 5B Case Files use Steam Cloud saves?
Yes, The Grade 5B Case Files uses Steam Cloud, so your saves sync across devices.
FAQ
Are keys from these stores legal?
Buying is legal — keys come from the grey market, so a small deactivation risk exists. So before paying, check the seller's buyer protection.
Which key region should I pick?
Global activates everywhere. Regional keys (Europe, North America, RU-CIS) only work on accounts from that region — use the Region filter to match your account.
What is an activation platform?
The service where the key activates — Steam, GOG, Epic or the publisher's platform. A key for one platform won't work on another, hence the separate filter.
What's the difference between editions?
Standard is the base game; Deluxe usually adds an expansion or bonus content. The edition filter shows exactly that variant, with no mixed prices.