Step 1: Go to menu screen.
Step 2: Right click, forward.
Step 3: You can't save in this mode, but you're max level with infinite money. Get the achievements in 1 run.
Zombies in a computer store
zombie one: hmm, looks like they have every single computer game running here
zombie2: whow, tha shims ish so cool!
zombie3: OMFG they predicted this would happen so they probably have hige bombs like, everywhaere!
 "Feudalism"){kind=icon}
 "My Little Destiny: Friendship is Random"){kind=icon}
 "Feudalism II"){kind=icon}
 "You are a... The Sequel"){kind=icon}
 "Rebuild 2"){kind=icon}
 "rgbTD0 : Before The Guns"){kind=icon}
 "Mountain Falls"){kind=icon}
 "Click to Support"){kind=icon}
 "Caravaneer"){kind=icon}
 "Farm of Happiness"){kind=icon}
 "Naruto Ramen Defender"){kind=icon}
 "City Gangs"){kind=icon}
 "Kongregate Avatar Creator CONTEST"){kind=icon}