"Device0101" is a mystery action-adventure. Inside a grand mansion, you must find keys to open doors, solve puzzles, and defeat monsters in order to escape.

You can enjoy story, puzzles, and battles against monsters.



One day, Risa wakes up in a mansion with no memory. There, she meets her family and friends and gradually begins to recover fragments of her past. Along the way, she starts to realize that she is not the same as others...


Solve puzzles to open blocked paths or obtain keys that unlock doors.



Use weapons to defeat the monsters that stand in your way.


