In-game reset: Pause game play, then hold A + B + X +Y and press Start.
Replay mode: Successfully complete the game to unlock the "Replay" option at the main menu. Select it to watch the game auto-play.
Expert mode: Successfully complete the game under the arcade or higher difficulty setting to play more difficult levels.
Full pause screen: Pause game play, then press X + Y.
New shooting weapons: Collect all the objects you see after the planes explode.
Unlimited credits: All you have to do is to play the game several times...the further you go, the number of credits increase. At the end, you'll be given infinite credits, depending on how many times you've played the game
Codes Made & Tested on 198 Version Cheat Device (JAPANESE) # Description Code 1 Infinite Credits 002C5114 0000000A 2 P1 Infinite Lives 000A2334 00000003 3 P1 Score Modifier 010A232C 0000???? 4 P1 Max Special 000A2340 000000FF
