The Journal Of Space
Keep ball rolling on the race, as clever as you can, to win all the zigzags and get all gems appeared as you meet.
Tapping the screen to change the routine of the rolling ball. Pay attention to the ball and make it stayed on the race. Notice that, the speed of the ball will be increased time by time on your journal. Do not let the ball get out of edges.
How many gems can you get?
How are your best scores? And how are your fastest speed?