Stop timer in Street tour mode:
 8005D46A 6300

All skills at max level in Street tour mode:
 8008DE90 0C0C
8008DE92 0C0C
80086BB8 0000

Enable mirrored tracks and time of day select in Free skate:
 8007629E 0401

Unlocks secret characters:
 800762A0 FF00

New board designs:
 800762A4 FFFF
800762A6 3FFF

Unlock gates for different routes on courses:
 80076398 003F
8007639A 0102
8007639C 0002