Cult classic from the 50s might look dated now but set a precedent back in its day.

Italian exploitation version of Aliens with less alien, less action, less kick ass characters and less everything really.

Sci-fi horror about a giant killer brain. Who needs a better summary than that?

Little-known gem of a sci-fi horror from the director of The Blair Witch Project.

"Want to know what the hell it sounded like? I think it sounded like... 30 men getting massacred by a dick." If that doesn't sell the film..

Unnecessary sci-fi horror remake of a cult hit which in itself was a rip-off of Alien.

Roger Corman's second Alien knock-off is an exploitation dream of blood, babes and xenomorph-looking creatures.

Low budget Alien knock-off ticks all of the relevant boxes that low budget 80s sci-fi horror should - gore, boobs and cardboard sets.

The man behind Ghostbusters brings you....Ghostbusters with aliens and without the comic genius of Bill Murray.