Reason why invisibility might not have been used as much

Rating: Null/10 (13 August 2004)

I haven't seen the movie yet, I'm going tomorrow, but just for future reference and to answer a question you had, I know why the Predators probably didn't use invisibility against the Aliens. If you played the video game (Aliens Versus Predator or the sequel on PC) You would know that invisibility is useless on Aliens, because the Aliens sense the pheramones that other creatures emit. Invisibility doesn't seal in your scent, so the Aliens could still sense the Predators, invisible and all by their smell. besides, stealth consumes energy slowly, and that same energy is used for the various energy-powered weapons, like the shoulder mounted cannon. Again, this is all from the games, but I think that the info is still relevant to the movie universe.