Sever both arms of a zombie
Sever the arms and head of a single zombie
Knock down a zombie
Knock down the same zombie twice
Kill a crystal zombie with a pickaxe
Use a pickaxe on a mech-zombie
Use a cannon or an electrode to kill two zombies with one shot
Kill a mech-zombie with a bow
Have 10 zombies on fire at the same time
Chop down 10 trees with the buzz saw
Ride a zombie
Kill zombie you are riding
Feed a chicken
Kill chicken after feeding it
Bring toilet paper to the outhouse
Blow up a deer
Start a new game
Find all of the journal entries
Bring toilet paper to the end of the game
Fail to save the man in the outhouse
Kill all three coworkers
Equip a full set of clothing
Gain one skill
Gain all skills
Finish the game
Give Henry a decent meal
Ride on all zombie types possible
Restart10 times
Build your first tower
Build 50 Towers
Build 250 Towers
Cook your first meal
Cook 20 Meals
Cook 50 Meals
Complete 5 quests
Complete 25 quests
Complete 50 quests
Complete 100 quests
Kill 50 zombies
Kill 200 zombies
Kill 500 zombies
Kill 1000 zombies