Animal Pack

3 new Characters
-Octodad
-Rami
-Watson

6 new Hats
-Ridiculous Hat
-A Squid
-Crocodile Cap
-Ranger Hat
-Chef's Hat
-Beret

And the Picnic level - available for use in multiplayer.

King Pack

5 new Characters
-Deacon Jason
-Dapper Dave
-Reagent Ron
-Professor Alex
-Benjamin the Magician

10 new Hats
-Queen's Crown
-King's Crown
-Princess Hat
-Army Officer's Cap
-Continental
-Sea Captain
-Smoking Cap
-Navy Cocked Hat
-Flapper
-Firefighter Helent

True Gentlemen Pack

3 new Characters
-Gunn Moses
-Penny Farthing
-Constable Father Clements

6 new Hats
-Feathery Hat
-Viking Helment
-Mob Cap
-A Bucket
-Another Feather Hat
-Fruit

And the Cannon level - where you get shot of a cannon.