Whats the name of this ps3 game?

Question

well i was watching a video but i forgot the name of the game all i saw was some running zombies climbing a wall and is a first person shooter and the zombies run i dont know if they are zombies but is not resident evil

Answer 1

left 4 dead

Answer 2

Could it be Monster Madness: Grave Danger?  Is this game out already?

Answer 3

Yes it is Resistance 2.

Those are one of the new types of Chimera [its called the Grim], along with the Chameleons who can go invisible and the Leviathan who is 300 ft tall.