Extra ending scenes
This only works in the Japanese version of the game.
To get an extra ending scene, press the L and R buttons after the credits are over. If done correctly the screen will change to the extra scene instead of restarting back to the intro. There's an extra scene on each difficulty level.
Contributed By: ReyVGM.
On the main menu, press Select twice and hold it. The option selection should be highlighted. Press Start. During game play, the last digit of the score will indicate the level of danger, with zero displaying for low danger areas to seven for high danger areas.
Effect Code Warning Signal Select Twice, holding Select, press Start
Contributed By: Kevin Doan.
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