ref: 2d439dd00ed41c697a917c7445e143ae10ff5e74
dir: /html/flip.html/
Flip <p> Try to light up all the squares in the grid by flipping combinations of them. <p> Click in a square to flip it and some of its neighbours. The diagram in each square indicates which other squares will flip. <p> Select one of the 'Random' settings from the Type menu for more varied puzzles.