Time Crisis
 
Change Arcade mode to Easy mode
At the mode selection screen, keep firing your Guncon outside the arcade mode window, you will get the Easy Mode.
Unlimited Credits, Auto Reload Gun and 9 Blocks of Life
At title screen, use your Guncon to hit the "r" letter in "Time Crisis" two times , then hit the "+" sign beside the word "TIme" once, then a special option screen will appear to let you adjust the about options.
 

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