
MUGI
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Description
*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.
Released
August 9, 2026
Price
Platforms
Linux · Windows
Developer
反動のゲームちゃんねる
Publisher
反動のゲームちゃんねる
About
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!?
Action & Puzzle!
A fusion of action and puzzle gameplay
Includes mystery-solving elements
Recommended for chiptune fans!
The PC version includes the following additional features:
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