Solve a random Easy, Medium, Hard Japanese logic puzzle chosen
from today's collection. Note: If the puzzle doesn't look as it
should try using 'Compatibility Mode'. Objective / Rules - You
have to light up every square in the grid. - A number in a
square indicates how many bulbs share an edge (not diagonally)
with that square. - A square is lit if it's in the same row or
column as a bulb, as long as there are no black blocks between
them. - No bulb may light another bulb. Mouse Usage Left-click =
bulb >> none. Right-click = X >> none. Clicking a clue square
will 'tick' it. Checking If you click 'Check' the system will
check for incorrect squares. If 'Show mistakes when checking' is
checked they will be marked in red. Uniqueness Each puzzle has
exactly one solution, which can be found using logic alone and
no guesses are ever required. If you think you've found another
solution, then please double check the rules. If you still think
you've found another solution, then please email us and we'll
try to help.