Look at every page of a calendar in SP

Put a Trip Mine on a live alien

Foot stomp 12 aliens

Shoot down 20 alien fighters

Get hit by 10 Pregnator bombs

Kill 15 aliens with melee attacks while on steroids

Blow up 5 enemy Gunships or Dropships

Kill 100 aliens

Take steroids in SP

Knock out the talent at the talk show

Defeat the Cycloid

Find and steal a piece of poo

Kill 20 enemies while brainbugging