XOR

When you click on 1, its neighboring
0's become 1's and 1's become 0's.
When you click on 0, nothing happens.

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

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! #xor

Excellent! You have a new high score!
Share it with your friends! #xor

Brilliant! You have a new high score!
Share it with your friends! #xor

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.
You may also like its sibling puzzles: NAND, NOT, XNOR.