A-mazing Tater © 1992 Atlus Soft., Inc.
North American release. Game developed in Japan. See the original version for more information: "Puzzle Boy II [Model DMG-P3J]
Description from the back cover:
Meet Spud, the A-Mazing Tater
Spud must pass the King's Challenge to become a Knight. The Challenge will test his feet, his brain, and his heart. Can you help young Spud as he tries to meet the Challenge?