Click on a block to damage it.
Click on a shop HUD to spawn it.
Click on the upgrade in the top right corner to upgrade click damage
The upgrade in the bottom right is ball damage.
Upgrade bottom center is the Ball Limit
The bottom left is your cash.
Click delete all to delete all of your balls, but you keep your progress.
R to restart
The number to the right of the shop HUD is the rounds
the number under shop HUD is the timer
the number under click upgrade is click damage
number next to the ball limit upgrade is the current number of balls spawned in.