Let’s start with the facts- Muramasa was released by relatively small publisher Ignition on Sept 8th and cost $50 new, Spyborgs was released by relatively massive publisher Capcom on Sept 25th and cost $40, and Dead Space: Extraction was released by super-huge publisher EA on Sept 29th and cost $50. Muramasa reportedly sold approximately 35K in Sept, while Spyborgs sold around 500 units total that month. Dead Space: Extraction put in