Collect every other trophy.
720: Earn a Gold Medal on any event in Score Attack Mode.
Joust 2: Reach Wave 5 in Score Attack Mode.
Marble Madness: Defeat the beginner race within 15 seconds in Score Attack Mode.
Pit Fighter: Defeat 3 consecutive opponents in Score Attack Mode.
Rampage: Defeat 3 consecutive cities in Score Attack Mode.
32 Trophies Unlocked