Figure out how to visit every block

Guess the Number is a Mastermind type game played with numbers requiring logic to solve.

Challenge yourself to manouver large blocks in very little space with this fun puzzle game.

Turning out one light turns on others and visa versa. Can you figure out what combination will result in all of the lights being turned out?

Can you think fast? You will have to if you want to succeed at keeping the ever growing pile of crystals from growing out of control.