Enter SCBCRS as a password. Press Start to pause game play to display the level selection screen. Note: The game cannot be completed normally when this code is enabled.
Secret Area in Level 8
Find the gold fountain on level 8. Stand towards the middle and left of the screen and throw an opponent toward the left side.
Secret Area on Level 1
Move to the top left of level 1 and punch at this location to warp to another level.