During gameplay, pause and enter the following codes:
Reveal the Map:
Press Left, A, Up, Down, B, A, A, B.
Press A, Down, Right, A, Down.
Watch all the FMV:
Press Right, A, Left, Left, A, Up, B. All Items - Press B, Right, A, Left, Left, Down, Right, A, A, Left.
Thanks to Revolution reader Jason Beeman!!