Other mistake: When Dolph Lundren shoots his boss he shoots him through his glasses in his eye. However the guys lens never breaks. His glasses fill up from the inside with blood. (00:52:50)
Other mistake: Scott started juicing himself up with strength enhancers after getting his memory back. Luc only had one (that he lifted from Scott's vest during the final fight), and not even a very thick syringe either. With that one syringe, his strength equalled Scott's. How is that only one small dosage was enough to match Scott's several doses worth of strength enhancement?
Other mistake: The Unisols are said to have been dropped into the water a mile and a half away from the dam. But, when they arrive, the three that you see are completely dry. Their hair isn't wet, and neither are their outfits. Scott has some on him, but that's most likely sweat because he's in the sun.
Other mistake: Devereux and Scott are sent after the reporter to apprehend her. Only problem with that is moments before they were sent to go get her, they were naked having their injections, there wasn't enough time for them to have kitted up and gone after her with any hope of catching her.