Angelott posted...The only reason he risks his life at the start of all of his games is because of his girlfriends. Mario Syndrome anyone?
Well actually in Dead Space 2 he didn't really have a choice in the matter. He was locked in a cell when the Necromorphs starting tearing the place several new buttholes. He couldn't get out if he wanted to, and in Dead Space 1 he didn't have any idea what was coming in the first place.
In Dead Space 3 Isaac Clarke was secretly replaced with Master Chief... and no one was the wiser.