It is sonic style puzzle games, you need to stack up the blocks and clear them with a corresponding character power block. Earn bonus points for scoring combos/clearing multiple blocks. Try to get a high score. There are six different blocks three types associated with their corresponding power block. Orange and brown brick are associated with Knuckles. Chaos emeralds any color are associated with Tails. Gold Ring is associated with Sonic. use the up arrow key to reorder the blocks as they fall. use the left and right arrow key to move the blocks left to right. use the down arrow key to accelerate the rate of the blocks to drop.