if you are having trouble completing the medium badge. Get the minigun (9000) then upgrade your buildings health for the rest of your money. Then just stand next to the building and kill zombies while being careful with your ammo. Anytime that there are no zombies around you should reload your minigun, no matter how many bullets you have left. you should get it in the first few tries.
When u r trying to scare them. U need to first make the object float or walk. Then, once they r kind of afraid, use the really scary haunt and they will run away. Follow them and scare them in the direction of the front door. Hope the helps (:
if u r having trouble earning points go for the on the edge points u earn 200 points every 2 seconds. on one game by doing this i earned 12000 points and 6 upgrade points
i love watching all of the mice commit suicide thinking they can get some cheese. All of them think that they alone deserve special treatment and cheese.
when you're stopping the bigbang and u dont have the stop skill then just use critical and have your entire team swarm it and blow it up halfway across the map. I beat the challenge my first try.
when you have the fish code, look at the symbols above it to see what each number the symbol stands for is. Then, go to the space place and look at the symbols on the machine and figure out what that code is.
 "Deadly Neighbours"){kind=icon}
 "The Endless Zombie Rampage"){kind=icon}
 "Haunt the House"){kind=icon}
 "Epic Combo!"){kind=icon}
 "Icescape"){kind=icon}
 "Give Up, Robot"){kind=icon}
 "MegaDrill"){kind=icon}
 "Heir"){kind=icon}
 "Off The Rails"){kind=icon}
 "Panda's Bigger Adventure"){kind=icon}
 "Meat Boy (map pack)"){kind=icon}
 "Endless War 3"){kind=icon}
 "Drag Box"){kind=icon}
 "Transformice"){kind=icon}
 "Epic War 4"){kind=icon}
 "Vox Populi, Vox Dei(a werewolf thriller)"){kind=icon}
 "The Pinball Adventure"){kind=icon}
 "Ninja Cat"){kind=icon}
 "the Flood Runner 2"){kind=icon}