Things that were 3D in this movie:
* Fish
* Cave
* Gore
* Vomit
* “Naked underwater skank ballet” – Nathan Rabin, AVClub
* Eli Roth
I had a great time. Directorially? The suspense wasn’t ratcheted up nearly as high as it could have gone. But on the other hand, the violence was perfectly judged – you saw things that caught you by surprise and made you shout, but were still silly enough that you laughed. The nudity was also perfectly judged – you saw things that caught you by surprise and made you shout, but were still silly enough that you laughed.
Several dimensions better than Avatar. Best seen with a crowd.