Shoot down a bullet with a bullet.

While affected by one Flashbang, kill two enemies in the Campaign or in Co-op.

Get three dolphins to follow the boat

Just prior to City Chase, stand perfectly still for 30 seconds (stage demo fail)

Over the course of your adventure, collect 3000 points while sliding.

Defeated the Bringer of Nightmares at the bottom of the ocean.

Took things a bit too far, didn't you?

Climb to the very top of the Clocktower in the City

Complete the campaign

Customize your loadout in every Open Combat Mission

Defeat enemies with a pistol, machine gun, and grenade, in that order, in 15 seconds

Perform 20 headshots from the rope