From SmartGames, the worldwide leader in single player puzzle games, comes IQ Twist. To solve each challenge players fill in the board with all of the pieces as shown in the included booklet, making sure that all of the colored pieces fit on the same-colored peg . Flex your logic muscles with this beautifully designed game. With puzzles ranging from simple challenges for beginners to complex challenges that will test advanced players, IQ Twist is a fun way to develop logical thinking skills and spatial reasoning abilities.