Lights Out

Eliminate all checks to win. When you click a box, that box and all boxes around it are toggled. Press the "clear" button before going to a new level.

level-1 level-2 level-3
level-4 level-5 level-6
level-7 level-8

Reminder: Before going to a new level (if the current level has not been solved), press the "clear" button and then select a new level so that it remains solvable!