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)

• 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