You want Xbox 360 Action games, GameZone has them with connections to reviews, previews, cheats, news and much more.
Bayonetta
Serious Sam: The First Encounter HD
Dark Void
Matt Hazard: Blood Bath and Beyond
Rogue Warrior
Borderlands - The Zombie Island of Dr. Ned
James Cameron's Avatar: The Game
Left 4 Dead 2
Dragon Ball: Raging Blast
LEGO Indiana Jones 2: The Adventure Continues