thatgamecompany Aren't Interested In Sequels.

Nothing has even come close to topping the experience yet. And looking to the future - the likes of Bioshock 2, Uncharted 2 and Modern Warfare 2 are going to have to be pretty bloody special to come close. There's a common theme there in the games we've listed that could potentially take flower's crown. They're all sequels. Somthing thatgamecompany aren't particularly interested in.

"Everything is intense the first time you experience it," says Jenova Chen, the creative director of thatgamecompany.
[quote]
"I've played a lot of first person shooters as a child," says Chen. "I don't see the need to improve my headshot."</blockquote>

thatgamecompany are team attached to new and innovative experience. And they make quite an interesting interview. You can read their thoughts on the games industry in Kotaku's fascinating feature.