Titus the Fox
Books: GAME BOY Secret Codes - Secret Codes 2003 - Game Boy Games Secrets
013-D0A-F7E Start 1st life with 1 energy unit
093-D0A-F7E Start 1st life with 9 energy units
011-CFD-F7E Start with 1 energy unit after 1st life
091-CFD-F7E Start with 9 energy units after 1st life
013-D5A-E66 Start with 1 life
063-D5A-E66 Start with 6 lives
093-D5A-E66 Start with 9 lives
009-6A9-3BE Infinite lives
00E-7D9-3BE Infinite energy until level 3
643-DCA-E6A Start 1st level with 100-pt. bonus
FA3-DCA-E6A Start 1st level with 250-pt. bonus
003-BAF-5D4 Start on level 1, part 2
002-739-3BE Infinite energy from level 3 on