#1 Cardio - No weapons! Run for your life from zombies or a big enemy - props for screaming!
#2 Double tap - Take out a major scary game enemy using only a shotgun.
#3 Beware of bathrooms - Man up, go into that scary ass deserted bathroom and take a pic. Props if it's a toilet.
#4 Seatbelts - Take out zombies or a big scary enemy in game using only a vehicle of your choice.
#5 Travel light - Run around in game with no armor.
#6 Get a kickass partner - Play co-op with a friend
#7 Don't be a hero - Take on a zombie mob/big enemy with a friend...then leave your friend to die!
#8 Ziploc bags - Play co-op with a friend...and teabag their corpse.
#9 Enjoy the little things - Wear a crazy costume in game
#10 Be a hero - Take out a major scary game enemy using only a melee weapon.