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Johnny Mystery and The Halloween Killer
On Halloween night, a young detective named Johnny Mystery comes across a girl trying to escape from the police. Then, Johnny tries to unravel an intriguing murder case that happened during a party at the Municipal Music School.

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Features
Single-player
Family Sharing
Profile Features Limited 
Languages:
Interface Full Audio Subtitles
English ✔ ✔
Portuguese - Brazil ✔ ✔
Check out the entire Ma Ma Software collection on Steam
 

About This Game

On Halloween night, a young detective named Johnny Mystery comes across a girl trying to escape from the police.
Then, Johnny tries to unravel an intriguing murder case that happened during a party at the Municipal Music School.

This is a mystery visual novel with more than 10,000 words, multiple endings and a logic problem to be solved.

Future chapters will be regularly released.

Mature Content Description

The developers describe the content like this:

This game pictures dead character and the one finger challenge.
All characters are over 18 years old.

System Requirements

    Minimum:
    • OS *: Windows 7/8.1/10 (64bit)
    • Processor: Intel Core 2 Duo or better
    • Memory: 3 GB RAM
    • Graphics: DirectX / OpenGL capable GPU
    • Storage: 600 MB available space
* Starting January 1st, 2024, the Steam Client will only support Windows 10 and later versions.
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