Simple roll-and-move race game in Daiso's range of small portable games. This game is made in China for sale in Daiso's 100-yen shop chain. Each player braves the perils of the Tenshu castle, including getting by the castle watchman, fighting duels with Samurai, taking the secret path and avoiding the trap and the ninja's throwing knife. The first player to reach the top of the castle and confront the king successfully wins.