What genres of games are there?

I want to know a list of genres that work great on iPad so I can see if there is anything I have missed out on
Heres a list of stuff I already have and know

Racing
Rpg
Shooters
Horror
puzzle

These are pretty much the only ones that I found..
If there are anymore great games or genres you can recommend to me that would be awesome!

Also, there are new games that will only run on the iPad2 - or, at the very least, only work well on the iPad2 - because of its significantly faster graphics, its better processor and additional RAM.

Tim

I am a hidden object games fan. Try them out :) They are pretty fun :)