
So don't be afraid to let them have most of the fun ) There have been numerous reports that if you give a power weapon (boom shot for example) to an ally AI, then they have infinite ammo and use the gun with deadly precision. So kill the lesser enemies to eliminate the problem of getting overrun. It will make it easier in the long run in most areas. Stay behind cover during combat whenever possible. IT WILL BE INSTANT DEATH WHEN YOUR HEALTH DROPS TO ZERO. I would play it on Normal or Hardcore just to be better prepared for Insane.

To unlock the Insane difficulty, you must complete the campaign once on any difficulty.
