Flying Dragon
Bargain
Every now and then there are bargains at the store. But if you are not familiar with the girl then she will not show them to you.
Credit Goes To: Game Master(stapleton@n64cc.com) via N64cc

Easier Game
For an easier game, go to the OPTIONS screen and set the difficulty to EASY, then press LEFT 20 times to enable the VERY EASY level.
 Bargain
 Easier Game
 Harder Game
 Platinum Characters
 Play As Bokuchin
 Play As Ryumaou
Harder Game
For a greater challenge, go to the OPTIONS screen and set the difficulty to HARD, then press RIGHT 20 times. You can now access the VERY HARD difficulty setting. Good luck!

Platinum Characters
On game select go to SD HIRYU. From there fight in the circuit. Platinum characters will make cameo appearances before the championships. Each time you beat a platinum character you win a medal. If you collect all 10 medals you can use the Platinum characters.

Play As Bokuchin
To play as Bokuchin you must beat him in a normal game.

Play As Ryumaou
To play as Ryumaou, you have to earn your way up to the "Ryumaou Tournament", and then beat it.
Credit goes To: IGN 64