Crazy Taxi - Pull up to someone hailing a cab, and ask them where they want to go.
Fos Roh Dah/Force push - Whilst on your bike, pretend you are controlling an object with your mind, hand gestures and vocal commands.
do a Barrel Roll - If you come off your bike and roll, dub over the famous Star Fox cry.
every set of achievements needs at least one Time based achievement and one collectable.
Bernard's Watch/Zacks time out - filter though still traffic for 60 seconds.
wonderwall - make a montage of you visiting every man made wonders of the world.