I might be able to consider your argument if you didn't contradict yourself in 1 sentence. You say "the only thing like it is the jump" and then follow that immediately with "the only thing the same is melee and sprinting". That's not the only thing, that's 3 things right there, and there are plenty more similarities that I'm not going to get into because it's probably a waste of my time. I'd agree that there are some cod similarities but the overall feel and play of the game is very nearly picture perfect replica of Halo.