Music Player
     By winning the game with a rank higher than "First Lieutenant", a
music  player  mode  will show up in the option menu. All 28 tracks of
music can be accessed. Controls: L1 or L2 to skip forward, R1 or R2 to
skip  backward,  Circle  to  select  track,  Select t o toggle screen.
Square, Triangle, or X to end.

Lock viewpoint
     During replay, hold the "map" button.

Change Mission Map Viewpoint
     On  the  mission  selection screen, put the cursor over "MISSION"
and hit select for 3 different viewing angles.

View backside of analog stick
     In  the  key config screen, hit select to see the backside of the
right stick.