The Walking Doof is one of the Defense Games that you can play on maths4kid.com for free. Stop the army of mindless pharmacists from overtaking Danville! Dr. Doofenshmirtz`s Repuls-inator has turned everyone into zombies. With the help of Ginger and the Fireside Girls, you can round up the droves and defeat them. End the madness in The Walking Doof!