Addictive one-touch gameplay Blocks Falling Puzzle. It is very fun to play. Tap on the arrow either left side of the screen or right side of the screen to rotate the blocks. Tap on the arrow pointing to the bottom of the screen to drop the blocks. Make sure your blocks fit inside of the obstacles. if the falling blocks touch the other obstacles your game will be over for you. Once you understand logic of this game, you will have hours and hours fun. It is great game to spend your spare time and have some brain training.