Button Mania



Your goals is to set all the buttons to zero.

Difficulty setting: - - -

Clicks used:

Current score:

Solve speed:

How to play:
Click on one of the buttons in the playing field
to subtract 1 from that button's value,
as well as from the values of the 4 surrounding ones.
Objective:
Set all buttons to '0'.
Example (a click on the "2" in the middle):
  0  
1 2 3
  2  
-->
  3  
0 1 2
  1  
Things you should know: