Set time:
Press Down + Select + B at the title screen. You will need to enter a password to change the time, based on your Trainer name, Trainer number, and money. The password can be calculated online at The Bruise Brothers or you can download a Windows 95/98/Me program to do it on your PC.

In-game reset:
Press Start + Select + A + B during game play to reset.

Skip credits:
Press Start + Select + A + B while the credits are displayed.

Restart game:
Press Up + B + Select at the title screen.

Faster credits display:
Hold B during the credits.