NOT

When you click on 0 (or 1), it becomes 1 (or 0) and its neigboring 0's (or 1's) become 1's (or 0's)
(meaning everything gets flipped).

Convert all 0's to 1's.

Like this puzzle? You may also like NAND!

4 x 4 5 x 5 6 x 6

Wrap around at the edges Include diagonal neighbors Middle

Moves: 0

Best: N/A

Points: 10000

Best: N/A

Null move

You win!

Awesome! You have a new high score!
Share it with your friends! #not

Excellent! You have a new high score!
Share it with your friends! #not

Brilliant! You have a new high score!
Share it with your friends! #not

Easy Normal Hard

If you don't get the rules right away, just click on a few 0s and 1s and the update pattern will become clear.

Try to solve the puzzle in as few moves and as quickly as possible.
If the game feels too easy, try changing the options above.
If the game feels too hard, try one of it sibling puzzles:
XOR, XNOR, NAND.