| Name | Code | Note | Hacker Name |
| Opponents Become Harmless | UUUYYY | After about five seconds of dodging and punching the opponent. the screen should flash twice and then the opponent will be open to attack for the rest of the round. Repeat this for every round, however do not knockdown the opponent, because the referee will not count. | Daniel T |
| Easy/Hard Opponents | EEEYYY | First person to knockdown the other wins by KO. | Daniel T |
| Easy Mode | KKKYYY | Opponents cannot perform their respective super moves and become open to attack until they are knocked down. Some opponents cannot fight at all, such as the last boxer, a Tyson clone. | Daniel T |
| Ghostly Opponents | SSSYYY | They eventually come down and fight and are easier to hit. However, avoid knocking down the opponent, because the referee will not count. | Daniel T |
