In the 15+ years Sony has produced game consoles how many IPs have they created and built to the level where they can reliably count on them to attract a lot of attention? Sony has made a lot of IPs over the years, but very few of them are important enough to be much more successful than a well built new IP. Realistically, a Jak game doesn't have the pull of a Mario platformer, a Dark Cloud won't attract the attention of Zelda, and a Socom will not bring in people like Halo will, so there was very little for Sony to gain by focusing on sequels.







