Movie where Everyone has amnesia and has to figure out what happened...?

What's that movie where a whole bunch of people wake up in a warehouse with no idea of how they got there, and one of the "good guys" seems to be the person who was supposed to kill everyone else?



They woke up in what looked like a warehouse.Movie where Everyone has amnesia and has to figure out what happened...?
Unknown (2006)



Plot:

Five men wake up in a locked-down warehouse with no memory of who they are. They are forced to figure out who is good and who is bad to stay alive.Movie where Everyone has amnesia and has to figure out what happened...?
Could it be Cube?



http://www.imdb.com/title/tt0123755/

pocket bikes

dissociative amnesia