[quote][b]Posted by:[/b] nesteggfailure Not killing Grunts=friendly fire. Everyone's pretty much in a group on this level, so, duck down and let friendly fire take them out. Is slow and demanding, but, is sound strategy. [/quote] They're kind of spread out a bit, despite being closely oriented geographically in my experience. Keep in mind if you speed run, you CAN use checkpoints.