#20: More Uses For Clothes

#19: Bodies Stay

#18: Easier-to-Pull-Off Special Moves (Of Various Hilarity)

#17: Explosives

#16: Camera Upgrades

#15: Fewer clothing stores.

#14: Ability to Shoot/Attack and Ride a Bike/Car/motorcycle at the Same Time!

#13: A Second Infinity Mode Sans Health Depletion

#12: That Bad-Ass Sniper Rifle Isabela Keyes Has in that Screenshot

#11: New Control System

#10: New Save System

#9: More Schlocky Humor

#8: Zombie Dogs, Zombie Cats, Zombie Babies. Oh My!

#7: Frickin' Lasers

#6: Longer Story Mode?

#5: Upgraded AI

#4: Unbreakable weapons

#3: Standard Def TV Love

#2: Adjustable Otis

#1: Co-op Multiplayer via Splitscreen