Heavyweight Championship Boxing
Books: GAME BOY Secret Codes - Secret Codes 2003 - Game Boy Games Secrets
00B-A4E-E6E No ring timer
AF6-E1B-19E No round increase
008-B2E-19E Juggle your power--can alter power settings and give
full power in all categories
014-78F-E66 Start with punch, life and speed at 1
024-78F-E66 Start with punch, life and speed at 2
034-78F-E66 Start with punch, life and speed at 3
044-78F-E66 Start with punch, life and speed at 4
054-78F-E66 Start with punch, life and speed at 5
064-78F-E66 Start with punch, life and speed at 6
074-78F-E66 Start with punch, life and speed at 7
084-78F-E66 Start with punch, life and speed at 8
094-78F-E66 Start with punch, life and speed at 9
994-78F-E66 Start with super power