You control Check Man who walks on a checkers-like grid full of squares. You collect the squares as you walk over them. Your task is to try and defuse as many of the ticking bombs as you can before they detonate. You can score extra points by running over flags but you must avoid the skulls and the stomping boots as they will crush you. Furthermore, you can trap a boot on a single square and you can move the square away from underneath it, trapping it on empty space.