Immediately accessible from the main menu without having to be unlocked, Survivor mode is the fourth difficulty mode that is exclusive to the PS3 version of the game. Whereas the other difficulty modes have somewhat basic explanations, such as "newcomer " or "experienced with shooters," Survivor has a simple three word description: "Every bullet counts." That isn't because the designers threw in more splicers that you're going to have to fight or increased the Big Daddies or Little Sisters that you're facing -- instead, the designers cranked down the number of resources that will be available to you. We spoke to JP Lebreton, a level designer for the game, and he mentioned that Survivor mode is designed to be much more of a sink or swim experience for players that want to be challenged. For example, in previous difficulty levels, you could pick up a pistol and you received a large number of rounds. In Survivor mode, you'll find the fewest rounds possible. This means you'll frequently only receive one bullet in a gun you scavenge from one fallen splicer, which forces you to conserve your ammunition.