Helpful hints from Hammy:
For bird, You have to play the middle 3 levels with 4 people and win.
For hats: Santa - Come on near Christmas,
Propeller - Win Hat factory,
Crown - Get 5k points on F@H *Use google*, or become a mod... The rest are gained by playing maps
 "A Small Favor"){kind=icon}
 "Zilch"){kind=icon}
 "Platform Racing 2"){kind=icon}