Scariest Sci-fi Movies

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When we think of Sci-Fi we think of Star Wars and computers etc. But Sci Fi does have a dark side to it, here is the list of Scariest Sci-Fi films of all time!

The Top Ten

1 Alien

By far the scariest Sci-Fi movie ever made - scary locations, scary monster's look, scary score. Brilliant acting from the whole cast made it look even more impressive - Irina2932

Cursed me with insomniac and nightmares for weeks, and whenever the name "alien" is mentioned, my little kid-scary-first-encounter's memories return.

In its day the most unique movie ever made, a great combination of space, horror, suspense and drama.

Both Alien and Aliens are outstanding movies. I saw Aliens first and I just might like it better.

V 10 Comments
2 The Thing

All of the other sci-fi movies on this list are AMAZING, but none with the psychological, gut-ripping, gory, horrifying, suspenseful terror that The Thing provides for you.

I go back and fourth between this and Alien being the greatest horror movie of all time...but this one wins out.

No other movie with it's theme and music score could ever compete with this film best of all time

Easily number 1. Scarier than Alien!

V 3 Comments
3 Aliens

Laugh out loud, the alien series in general is the best sci-fi ever! Predator sucks and is the only franchise coming to mind which I would like to discredit. All other sci-fi's are awesome though. Xenomorphs rule! They look great and have awesome abilities which, in my opinion, ranks them at the top of the evil alien list

so scary! even scarier than the first one! But the guns make me feel safe

Aliens is a great movie but it should be no. 10 cause its not scary at all I think the thing is the scariest and alien ressurection is the most disgusting and alien 3 also and alien is the scariest.

Alien was a lot scarier, you had no idea what the creature was, the crew wasnt prepared, and the overall atmosphere and tone was a lot freakier. this movie was great as well, but FAR from scary.

V 2 Comments
4 Predator

Predator is my favorite Sci Fi/Action movie of all time, a solid performance by Arnie, great action, horror and plot twist, not to mention excellent score and endlessly memorable quotes.

Predator is AMAZING I have a movie like this one it is called alien vs predator

Could you wish for a more iconic creature?

Spectacular film

V 2 Comments
5 I Am Legend

It was one of the best movies I've seen in a while.

V 1 Comment
6 28 Days Later

this movie is so scary compared to I Am LEgend!

7 Signs

This is the most underrated scary movie ever, saw it when I was 5 and didn't sleep til at least three days without a nightmare

I saw this when I was young too I still have nightmares about those those monsters

I hate this movie only because I saw it when I was 6 or 7 and I got so scared I cried

That scene at night in the cornfield... You know the one.

V 4 Comments
8 Cloverfield

You know even though we have problems with terrorists, it would be better and awesome if there's a real-life monster wrecking havoc in our country instead!

Not in the least enjoyable, although Goodman is great, as always

9 Event Horizon

The scarest movie I ever watched in my life.

Sickness at its finest

I took a girl on our first date to see EH in theatres. Needless to say it was consequently our last date as well. The hell visualization was about as creepy as it gets. The theatrical version ended with Prodigy's "Funky Sh! t" Appropriate.

I shat myself :/

10 Jacob's Ladder

The Contenders

11 The Fly
12 The Terminator V 1 Comment
13 Jurassic Park
14 28 Weeks Later
15 Invasion of the Body Snatchers (1978)

This movie wasn't even here. I'm shocked. "Invasion... " is one of the most creative and scary Sci-Fi films ever made - Irina2932

16 The Mist
17 They Live

You guys should watch this movie - real masterpiece from Carpenter. And enough creepy - Alexandr

18 The Cell
19 Christine V 1 Comment
20 Jurassic Park III
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List StatsUpdated 28 May 2017

200 votes
63 listings
6 years, 16 days old

Top Remixes (5)

1. The Thing
2. The Fly
3. Jacob's Ladder
beasthound
1. Alien
2. Invasion of the Body Snatchers (1978)
3. Signs
Irina2932
1. 28 Days Later
2. 28 Weeks Later
3. Alien
TemmieHoi

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