Connect all the light bulbs with each other and also with the main battery. You have to create as many connections to other bulbs as the number indicated on the bulb. Two bulbs can be connected with each other only vertically or horizontally and with no more then 2 connections.
50 levels of Mahjong Solitaire at the bottom of the Ocean. Combine 2 of the same free tiles to remove them. A tile is free if it is not covered and has at least 1 free side (left or right). Combine the special tiles fast enough to get a bonus.