Reach the podium 100 times (not unlockable in Split Screen mode).

Get all the Super Treasure Hunt vehicles.

Reach Silent Hill.

Try to leave Silent Hill in the Observation Deck area.

Win a run with Doctor.

Win a run with Knight.

Win a run with Ghost.

Win a run with Arms Dealer.

Heal 200 HP in one wave.

Recycle 12 weapons during a run.

Win a run with Lich.

Reach the podium with a Rocket, Off-Road, Balanced, Drifter, Swift, and Heavy Duty vehicle.

Reach a new Prestige level.