I cheat for a few of these.
Nintendo:
Super Mario
Zelda
MS:
Halo
Age of Empires/Mythology (defunct)
Sony:
Spyro (Not really Sony)
Infamous
3rd Party:
Final Fantasy (includes MMO?)
Dynasty Warriors (includes XL/ Empires?)
Elder Scrolls (MMO?)
League of Legends
Good mix of a lot of things, including 2 MMOs and a Moba to spend a lifetime in xD.