Good twist ending movies?

[Sterling Malory Archer]

The Mist
Orphan
The Machinist
The Descent
The Number 23

Definatly :| Holy crap that ending was intense...

 

[abhiken]

the sixth sense
law abiding citizen
shutter island
memento(gave me a headache lol)
21
i can only remember these many for now

 

[Dean-Winchester]

Anyone have any recommendations of any kind of twist movies that are suspenseful

ususal suspects / The departed ....How old are you ....

 

[Hexuze]

The Mist
Orphan
The Machinist
The Descent
The Number 23

Orphan was just eh it was more weird than good but it was still a twist.