Ian's Server

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Game: blackbox bridges cube dominosa fifteen filling flip flood galaxies guess inertia keen lightup loopy magnets map mines net netslide palisade pattern pearl pegs range rect samegame signpost singles sixteen slant solo tents towers tracks twiddle undead unequal unruly untangle Manual for flip

Try to light up all the squares in the grid by flipping combinations of them.

Click in a square to flip it and some of its neighbours. The diagram in each square indicates which other squares will flip.

Select one of the 'Random' settings from the Type menu for more varied puzzles.