Kill 75 enemies using the weapon type that's most effective against their shield type.

On day 1 of the Rats job, blow up the lab.

Sacrifice a Gatlian other than Kenny during the fight against Garmantuous.

Say goodbye to Suit-O.

Defeat Nipulon.

Pay your bill at Applebee's.

Defeat the Skrendel Brothers.

Defeat Dr. Giblets.

Obtain the Jetpack.

Defeat Krubis.

Obtain Sweezy.

Pop 20 Grunt eyeballs.

Defeat 9-Torg.