Originally Posted by MopFlop
As for infinite enemies i personally wish they still had them in the game properly. (Campaign that is) They got rid of it and now the sp is piss in comparison. You can just sit back and occasionally walk forward. Miss the challenge of levels like hill 400
except the ripping out hair part
I'm pretty sure they can increase the difficulty without resorting to the lazy-ass method of an onslaught of enemies that doesn't stop until you push up.
How they have it now is a good balance between MW2's non respawning and the others infinite.