Games aren’t made by Sony or Microsoft, they are often made by EA or Firaxis or 2K, to name a few. These companies want to maximize profit so they make the game multi-platform. For PC, Mac, XBox, PS2/3. However Microsoft Games to make games just for Microsoft but this is just a small section of the games market and does not overly impact in the larger scheme of things. What do you mean by hardcore gamers? Violence? Graphic Quality? Things have changed quite a bit since PS1, most people are after fighting, war games but there are things out there. Spyro (That was on PS1) or just buy a Wii if you want mario or games similar to that, Wii sports etc.