You are the first and last line of defense for the World of Roblox During a Zombie Invasion. You are an Elite Group hand picked and Are Known as R.Z.D.A aka Roblox Zombie Defense Army. Suggest this group to your friends!!! You will rank up by how long you are in group 3 Month's, 6 month's, 9 month's and A year, etc... and more questions Message me or DEADLESSZOMBIE or ryrypullen or mmmbloxysoda