Action Adventure be me fav...
Which would be like MGS (ok so that's more actiony/stealthishness maybe?), Silent Hill... Zelda...
But I can like RPGs just as much... an example of that would be FF7, 10, or Chrono Trigger...
First person shooters are nice... I don't like the straight up crazy action ones though... I like like... Medal of Honor... PD/goldeneye... half life... yep...
I'm really hard at picking favs of anything...
but I'd say Action/adventure yep...