Let Sadwick die every time it´s possible

Sneeze over the candle

Spot licked everything

Win 1 Quick Race in Hangar 68 (not unlockable in Online and Split Screen modes).

Collect all trophies in the game

Stay in Providence Oaks

Help Steve out both times

Help Nancy by testing the photo camera

Help Mildred by taking Mortimer to Burt

Reach the hill with the church

Hit all targets with rocks while training at the parry machine

Reach Level 10

Join the Companions