Ok, Teammate AI is really starting to grate my last nerve.
You can't let them drive a truck because they will most certainly drive you head first into tanks, giant huge pockets of enemies, or my personal favorite, RIGHT OFF A FUCKING CLIFF. To compound it, you cant let them gun either. Instead of shooting the biggest threat, they choose to shoot the closest one. Normally that is not a bad strategy, but when the closest enemy is a grunt that is just far enough behind a rock to not get hit, IT CAUSES YOU TO DIE. Also they dont shoot unless the reticle would be green to them. So when they are a zillion miles away from a tank that would normally blow the shit outta you, but the tank isn't firing, they will just sit there. AND NOT SHOOT A GODDAMN THING. EVEN THOUGH THE GAUSS RIFLE HAS INFINITE RANGE.
Also they have a nasty habit of not moving. Ever. Forcing you to flank and get lit up like a christmas tree, despite the fact that they can't die.
The AI can't prioritize enemies either. 3 Elites are sitting there in wide open space, but they will just sit there trying to hit THAT FUCKING ROCK GRUNT AS HE SITS BEHIND HIS ROCK EATING A FUCKING ALIEN SANDWICH!
FUCK THIS GAME!!
Other than that, this game ain't bad.