However, you can't use any of your tools and the aliens will try to communicate with you in their language. Plus your own friends might beat you down. Special Effects Programmers and Artists, here's the skinny on some cutscenes and special effects. The hero has two arms, left for tools, right for weapons. The extra objects are stored in the backpack.
Aliens fade away when dead.
The anti-g goes with them. They're not really dead since there are only 7 aliens in all, which may just be different colors. The real menaces are the alien animals. The transition from alien to human or vice versa would be an expensive process. Hence, use a cutscene.