Super Players
When creating a new character hold down all the
shoulder buttons and set each stat to 40.
A chime will sound and you're now free to max out every attribute
to the full 99.

Seven game series:
Start a seven game playoff before the ned of the season. You should
now have an option to continue playoff.
When the season ends, it will overwrite the old playoff, but keep the seven
game format.

Alternate Team appearance:
Hold X+C+L2 when the Just a minute sign appears.
Keep held until a few seconds after the sound of a puck is played