Clockwork Knight 2

Level Select
At the Title screen press on the D-Pad right, up, left, up, right, up, down, up, left, up, left, up

999 Lives
At the title screen press on the D-Pad right, up, left, down, right, down, right, up, left, down, right, down

Watch the ending
At the Title screen press on the D-Pad right, up, left, up, down, up, right, left, up, right, left, down.

Play the mini games
At the bosses galore menu, on the d-pad press up, up, right, right, down, down, left, left, x, y, z

Watch the hidden movie
After you finih the bosses galore with a ranking of Expert or Master go to the movies menu. Movie #16 will no longer have a ??? on it.

Change the Title Screen
If you set the date on your Saturn to a holiday like Christmas or Valentines Day the main title screen will change to match that holiday.

Battle the Boss of Your Choice from Reuben Wong Chun Mun
Pick the option,Bosses Galore,from the main Menu.When the Bosses Galore Title screen appears , press X 5 times , Y Seven times and Z 5 times.You'll see the word "BOB" in the middle of the screen.Now take the controller and move up or down to battle the Boss of your choice.You'll be able to battlewith your choice of Tongara or Ginger.