Cheats
Debug Mode
This code is strange. The debug mode is only available in the USA version, but you have to use the Family Computer Keyboard, which only came out in Japan. To enable the Debug Mode, Reset the NES 9 times. On the title screen, use the keyboard to type COMPILE and press Enter. If done right, a sound should be heard. Now, during the game, you can pause it and press Select on controller 1 to change weapons, Clear (Clr) on the Keyboard to get 254 lives and Insert (Ins) or Delete (Del) to warp back and forth between levels.
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