The grenade shit is beyond frustration.
Seriously, I remember in one level I was surrended by 6 hahaha.
Honestly I think Vet is a broken difficulty mode, It doesnt feel challenging, it just simply feels unfair to such a degree that the enemy ALWAYS knows where you are.
But you guys should just keep pushing, a few us attaining the platinum in COD5 should be living proof that it aint impossible.