[Play Method]
① Remember the furniture and items in the building.
② The furniture and items in the building change.
③ Find the places where the changes occur.
[Difficulty Setting]
You can customize the difficulty from the "Difficulty Setting" button on the title screen.
You can set the number of levels, memory time, answer time, number of changes, number of allowable wrong answers, etc.
The levels can be selected from three types: "Beginner", "Intermediate", and "Advanced".