Drive at least thirty different vehicles.

Kill a total of thirty enemies using melee attacks.

Keep any vehicle at thirty mph or over for five more minutes.

Complete Chapter 10.

Travel at 125 mph.

Buy your first luxury suit.

Sell five vehicles to Mike Bruski at the scrapyard.

Find at least one collectible in the game.

Complete Chapter 6.

Kill fifty enemies.

Complete Chapter 4.

Sell all the gas stamps before the time runs out.