Percy Jackson: Sea of Monsters 3D Review: Is it worth watching Percy Jackson in 3D?
No, don't waste your money on the 3D version, it's not worth it.
Steven Jordan says it's a 3DO
Yes it was post converted, It was very well done for what it was. Stereo D (company handling this one in 3D) did a very good job with all aspects of the film. it had very pleasing 3D, well planned too.