Use a Sand Mouse to destroy all the tanks on Batalia

Turn a tank into a chicken on Rilgar

Blow Up 10 Vehicles on Eudora

Stand between Al's Roboshack Statue's legs on Kerwan

Destroy a fighter or bomber on Novalis

Defeat Captain Qwark's Ship

Kill all Anklebiters on Planet Hoven

Obtain the Magneboots

Die enough times to get offered Easy mode

Retrieve the Captain's Key

Open a Health Chest when your health meter is already full