Gun Nac

Non-Death mode:
Hold A + B button during the opening cinematic until the sequence ends. The message "Death & Non-Death Free Select Mode OK!" will appear to confirm correct code entry. You can now select the "Non-Death mode" option at the "Configuration System" menu. You are invincible in this mode.

Ending sequence:
Hold Up + Start at the Nexoft logo.

Bonus ending:
Enable the "Non-Death mode" code in the North American version. Do not enable any of the cheat options. Complete the game. Before the credits start during the ending, hold A + B. You will see extra scenes that were removed from the Japanese version.

Quick Configuration mode:
Hold A + B and press Reset.

Cheat mode:
Select the "Config Sys" option on the title screen. Set the "Sound Test" to "05". Highlight the "Area" option and press Left or Right to select a new level and press Start to begin game play with invincibility. Note: You can also select an "Area 0" which normally is not available during the game.

Money to Bomb converter:
Highlight the "End" option in the Score Store, then hold Right and press Start to get the Money to Bomb converter. This item converts money to bombs during the game.

Free Score Store items:
Start the game to automatically enter the store. Highlight the "End" option, then hold Left and press Select. You will can now select a weapon upgrade or a Turbo Power to get that item at no cost.