|National tournament, level 2 parts and power pack||1SZK-DRT2-QFY5|
|National tournament, level 2 parts, power pack, heal pack||32RY-DVNS-D2SP|
|Level 3 attacks, super parts, power pack||PV9S-040G-0140|
|National tournament, level 4 parts, heal pack, power pack, super parts||5X7Q-RLD8-JF67|
|Level 4 parts and all items||9996-G889-899S|
|One level 4 part, all items, 999990 credits||XHP3-Z6P9-5XQT|
- Getting credits
Win a fight in the park to collect 20 credits. Win a fight at the school to collect 50 credits. Win a fight at Kung Fu Tower to collect 100 credits. Win a fight at the factory to collect 200 credits. After defeating Ann in the Spring Tournament, search the alley near the stadium to find 5,000 credits. After Louis departs, and the Super Part is earned, search the alley near the school to find 5,000 credits.
- Free Part
Begin a game, but do not enter the shop until reaching the General. Then, enter the shop once and buy a level 1 Part. Defeat the General and continue game play without re-entering the shop. Intentionally lose one time after being asked to go to the Japanese Mansion. Then, return to the shop to be the 10 millionth customer and receive a free Part as a prize.
- Level 4 Parts
Defeat the Hyena Gang, then fight the Mad Scientist in his lab. Keep defeating him to earn all the level 4 Parts.
- Free Part
Note: You must have a 2.1 or higher version of the Game Shark to use these codes in a Game Boy Color system.