Unblock That is a simple and addictive puzzle game. The goal is to unblock the red block out of the board by sliding the other blocks out of the way. Do it with the minimal amount of moves. The game comes with 4 difficulties ranging from Beginner to Expert. Unblock That can help you train your brain and keep you mentally fit everyday. Use as few moves as possible to get the red block out. You can move with all wooden blocks.