Dead Space 2 is a sci-fi horror game set three years after the events of the first game. The protagonists, Isaac Clarke and Kayden Shepard, survived the horrors of the USG Ishimura and the planet Aegis 7. The outbreak occurred when the colonies uncovered an Alien artifact known as The Marker, which caused madness and transformed people into terrifying creatures called Necromorphs. Isaac volunteered for a repair mission to find his girlfriend, Nicole Brennan, only to discover that she had committed suicide. Isaac and Kayden managed to escape the destruction caused by the Marker, but 3 years later were later captured by Earthgov and taken to a station called the sprawl, orbiting Saturn. They must now fight to survive and uncover the truth behind their capture. along the way few survivors Ellie Langford and insane patient Nolan Stross, they must work in order to escape the Sprawl and stop the marker outbreak.