Kill 30 enemies with the M79

Purchase the Damage upgrade for the Rocket Launcher.

Acquire the Teapot Cannon

Complete Chapter 4 - 1 on any difficulty setting.

Win a game

Reach wanted level (19) Notorious as a Racer

Purchase any item upgrade (in single player).

Earn 3,000,000 points in a single song as a band

Buy every upgrade.

You've exceeded a career objective

Acquire the Pepper Grinder

Score a kill with the Cannon while the enemy has Missile Suppression active.