

*MUGI*, released in May 2026 as an MSX2-exclusive cartridge, is now on Steam. An action-puzzle game with mystery-solving elements. The PC version adds arranged BGM, a ranking system with name entry, a tutorial, and a stage editor for creating and sharing custom stages.
Overview
*MUGI*, released in May 2026 as an MSX2-exclusive cartridge, is now on Steam. An action-puzzle game with mystery-solving elements. The PC version adds arranged BGM, a ranking system with name entry, a tutorial, and a stage editor for creating and sharing custom stages.
Description
MUGI, originally released in May 2026 as an MSX2-exclusive cartridge, is now on Steam!
Meet MUGI, born in a weapons factory.
An experimental “ego” was installed… and he realized:
“I don’t want to stay in a place like this!”
Avoid the pesky robots!
Set the batteries into the battery boxes!
Escape to the next room through the opened door!
Can you solve the mystery every 5 stages!?
A fusion of action and puzzle gameplay
Includes mystery-solving elements
Recommended for chiptune fans!
Gorgeous arranged BGM selectable alongside the original MSX2 soundtrack
Ranking system (with name entry)

Tutorial

Stage editor (created stages can be saved as files and shared with friends)
*We plan to save edited data to the server and share it with people all over the world in a future version update.

The instruction manual is included in the same folder as the executable file.
Native support for Windows and Linux
Linux version tested under Steam Runtime
Steam Deck compatibility currently untested
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