Step forward but do not step down!
Tap the screen to step on the blocks in time.
Tapping time will be the time your next block stops.
If you tap it too soon, the ball will fall into the lava river below.
If you tap it too late, the ball will move down and get closer to the lava.
However, if you can manage to have 3 blocks stops continuously at a same row , the ball will automatically move up.
So, try to get away from the lava!