Make a hard choice in crossing the border

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

Say goodbye to Suit-O.

Defeat Nipulon.

Discover Dr. Gurgula's hideout in the Human Haven.

Defeat Dr. Giblets.

Defeat the Skrendel Brothers.

Obtain the Jetpack.

Defeat Douglas.

Obtain Gus.

Take Knifey's advice and stab Gene in the gut.

Obtain Knifey.

Create an arena and have a match in it.