LOL!! I passed the level with 6 parts lost which means I was left with a head, torso and one arm! wow! is this a win or a fail? cool game!!!! where are the badges!>!????
According to the developer the zombies are supposed to walk through walls , otherwise it would mess a couple of things with the game and it is too troublesome to fix it , so he means to keep it that way (source:newgrounds)
 "Infinite Tower RPG"){kind=icon}
 "Flash Element TD"){kind=icon}
 "Death vs. Monstars"){kind=icon}
 "Tentacle Wars. The Purple Menace"){kind=icon}
 "Elf story"){kind=icon}
 "The Squirrel Game"){kind=icon}
 "The Final Death Wish"){kind=icon}
 "Hanger"){kind=icon}
 "Arm Surgery 2"){kind=icon}
 "Hambo"){kind=icon}
 "Pestilence Z"){kind=icon}
 "Soldier Survival"){kind=icon}
 "Dice Mogul"){kind=icon}
 "Penguin Kissing"){kind=icon}
 "Destroy the Castle"){kind=icon}