Money Game, The

During gameplay, press Select, choose the second option, and hold Left and A on Controller 2 and Left on Controller 1. Press A on Controller 1 and give your ID and password, then answer "Yes". The game will switch to a competition mode.

First, go bankrupt. Then, on the game over screen, press A & B at the same time on both controllers. You'll go back to the title screen, start over and you'll have 3 Million Yen this time around.

At the title screen, press and hold Down + Left + A then press Start. Then while the screen is black, press B, A, A, A, B, A, A, A, B, A, A, A, A, B, B, A, B, A, B, B, A, B, B, A, B.