Simplistic graphic, complex puzzles.
Rules change from level to level, only the 3 Buttons remain the same.
[MINIMALISM]
Various puzzles with no description. You must observe and reason by yourself.
[3 BUTTONS]
You use the only three buttons to play all the levels. No hidden inputs, and you never need to press two button at same time.
[VARIOUS LEVELS]
Each level has different rules. Can you understand the function of each button?
[HIGH DIFFICULTY]
Later levels are really difficult. Also you can challenge for the minimal steps.
[Designed in China]