It's pretty easy at first well very easy infact but it soon gets a bit harder. I got to level 18 were it was starting to get tough but I'd be playing for 30 mins and started to get a bit bored of the lonely repetitious tactics. So just lay down and shot myself with a predator missile.
Seems like a good mode but like zombies in blops much more fun when you're part of a team.
Anyone else given it a go yet? Anyone fancy a game sometime?