ZombiU Creators Weren’t Sure Their Game’s Hardest Mode Could Be Beaten. But Someone Just Did.
Kotaku: If you play ZombiU's special Survival mode you only get one life for the whole game. Death is death. No respawning as another character, which is what happens in ZombiU's already-tough (and very fun) normal mode.
(Wii U, ZombiU)