If you love a scary movie but aren’t in the mood for a slasher flick, these psychological thriller movies are just the ticket. While they’re not entirely free of blood and gore, they amp up the tension with mind-bending twists rather than gruesome special effects. One thing's for certain: you’ll be thinking about them long after the credits roll.

Ahead, we’ve included both classic movies everyone should see at least once, such as The Sixth Sense and Vertigo, along with newer films that feature the stuff of nightmares. We’ve highlighted picks from a variety of streaming services, so you should be able to find one no matter which services you subscribe to. Many of them are also likely available to rent digitally.

So, buckle up for the 20 psychological thriller movies to watch the next time you’re looking for a suspenseful night in.