Another unfortunate fact about Green Slime, even a single drop of blood will grow into a new monster. So now you have dozens of pissed off Sigmunds running around electrocuting the crew, good job Rankin. In the end humanity is saved by crashing Gamma 3 into Earth's atmosphere, incinerating the Green Slime. The characters often unload at point blank range without effect, soon as they throw the weapon it goes right through the monsters eye. Asteroids look like a Gobstopper which has been under the refrigerator for ten years.
Movies are less interesting from a phone's objective.
Pulsing green muck plays heck with interstellar golf carts. People can stand up and walk around while experiencing ten G's. Never let a bitter exgirlfriend tend your wound. Alien life is best represented by green soap suds. Space station security guards wear white motorcycle helmets with a little space symbol on them.