In the game you need to play as an explorer to collect keys to open the house on the other side.Observe the position of the key on the screen and the falling stones. Click on the falling stones to fix them in the air.Click the "JUMP" button to jump onto the stone, paving a road across the canyon by fixing the stone multiple times.It takes 4 keys to open the house in "Hard" mode, and the speed of falling stones will also increase.