Han Solo and Indiana Jones are in the game as hidden characters. Although early rumors suggested that only one of them appears in each version, they have been confirmed for both versions.
Banned in S.Korea untill 2007.
During the cut-scene after you battle the Ace of Diamonds, if you look at the little scroll bar at the bottom of the screen, you might spot a blurb that says "Bespin, Coruscant: Space station faces lawsuit over faulty exhaust system."
There is a national treasure near the chemical weapons plant in N. Korea that is a carbonite block. Also, right near it is a blueprint that is an Episode VII screenplay.