Tap to jump.
Tap and hold to adjust the power of the jump.
No complicated controls!
However, the 10 stages may not be that easy to finish.

Theoretically, all 10 stages can be finished.
It's just that we can't finish them ourselves...

This is an extremely challenging game made under the concept of "A game that the developers themselves can't finish".
*Or maybe it's just that we're extremely poor game players...