Red Skull Perma-PerkĪfter you kill a zombie and it leaves 'Insta Kill', don't take it.
To get this Perma-Perk (easiest on solo): Get quick revive, kill zombies to get to 500 points, die, revive yourself, get more quick revive, die again, then die without quick revive, then after you'll see some green mist and will be killed in 4 hits, not 2! This perk should be permanent In later games and it should always work. (Not always on multiplayer) This will always stay on your account. Cheat Codes Juggernog Perma-Perk (Easiest On SOLO)