User blog comment:YoungOtakuNerd/A "Grim" Theory/@comment-4232858-20140807181048/@comment-4797970-20140807191227

I've heard that theory before, but ironically, I didn't intend for it to sound like the Binding of Isaac theory. In fact I forgot that game even existed, let alone that theory.

I guess you're right, though, they are kinda similar (except Irwin doesn't die at the end).