Rated Next was created on 1997-09-30.
The next rated M game is coming out on 5/15/2011
Rated Rexx was created in 1990.
Rated G was created in 1994.
Rated O was created in 2009.
Next to Me was created in 2010.
This Is My Next was created in 2011.
The Next of Kin was created in 1942.
Rated A for Awesome was created on 2011-06-20.
Rated 'X' was created on 1972-11-20.
Rated K was created on 2001-07-30.
NeXT was created in 1985.
I think it's rated Y7.