Free play mode:
Enter the Adjust Settings menu from the main menu. Select the "Miscellaneous" option, and highlight the "Credit Limit" selection. Hold Square + Circle + Triangle + X. The phrase "Free Play" will appear to confirm correct code entry. If the game settings are saved, free play mode will also be included.
Set the credits to nine and start the game using controller 2. Immediately press Start on controller one when player 2's ship launches. Allow player 2's ship to be lost. Player 1 will now have sixteen credits.
Enter the difficulty menu from the settings menu. Hold R1 + R2 + L1 + L2 +Start.
Hold R1 + R2 + L1 + L2 during a game to display a hidden options menu. The screen resolution, position, and other options may be adjusted.
Hold L1 to control the ship during the Raiden I demonstration. Hold R2 to control the ship during the Raiden II demonstration.
Find the slightly off color trees that are not initially destroyed by your ship's fire power. They are usually located on the right side of the screen. Approach these trees and keep firing into them until they explode. Capture the pixie that flies out of the explosion. When your ship is destroyed, a group of power-ups will be released.
Thanks to Revolution readers Thug Life Member, Stone Cold Adam Bartley, and Big Worm!