20 Things You Didn't Know About The Xenomorph
4. Space Invaders
The success of Alien brought with it many imitators, but perhaps the most unexpected pretender to the throne was actually video games giant Nintendo.
Seeing the value in a game in which a strong female protagonist battles an unrelenting alien enemy, Nintendo decided against picking up the licence to make an official Alien video game, and instead borrowed the concept to create its very own franchise, and thus Metroid was born.