@yushire - What about all these 'sport party' games? That's a new gender even if it classified as mini-game or sport game for simiplification. But there's a big difference between playing TigerWoods on a PC and on a Wii.
Point & Clicks are making a resurgence
rail shooters are also making a come-back
Zack & Wiki is unlike and other game I know, as is Boom Blox, or Dewy's Adventure or De Blob. But only time will tell what genres continue on past the Wii's lifespan