When it comes to video games, everyone talks about first person shooters and RPG's. But don't forget about god games. They differ greatly from the action of those other genres, but their difficulty lies in how they require skill in strategizing and dealing with real time challenges while utilizing only what resources are available.
And for those who say MGS4 aint a God game
Yes it is
It's the Best God Damm Game of all Time
Oh and take a look at the credits
Voice of God Hideo Kojima
Surprised Act Raiser isn't on that list.