Press and hold the center blue block to avoid collision with random moving red blocks.
Persist as long as possible.
The center block color is blue default. You can change it's color.
Other block color is the same and red default. You can also change to your favorite color.
Block number, moving block number is from 1 to 10
+ Select block count from level
Setting:
+ Restart game
+ Time persisted board for each level
+ Game theme, change title color, operate button color, game background color.
