Dead Space: The Engineering Duo

We all know the horrors that Isaac Clarke had to go through on the Ishimura alone, his only contact being with Zach and Kendra via his RIG's holo-screen. However, what if instead of being alone on the Ishimura during those horrors, he instead had someone that was like a brother to him, helping him along the way? Well, thing's would be a lot easier, and a little less as terrifying.