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Cheats & Guides
Ninja Boy 2 Cheats For Game Boy
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2 Players Mode
First enter 1P1P99 as your password and press "End". The screen will load the password screen again. Enter any other valid password to start the game with both players on the same screen. You can press Select to switch between players, or hold a direction and press Select for that player to move automatically.
Contributed by: ReyVGM
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Level Passwords
Enter the password screen, and input any invalid password. You'll get the "Wrong Password" message. Then enter any of the level passwords below and press "End". You'll get the same error message again, but press "End" again and you'll be taken to the corresponding stage.
Effect JW 1-Desert Star CH 2-Dino Star RV 3-Mecha Colony KG 4-Fanta Land DN 5-Wood World SB 6-Water World 1 LX 7-Water World 2 TR 8-Yukimura MZ 9-King's Planet Contributed by: ReyVGM
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Last Password
Leave the Mecha town and board the comet to be able to enter the last stage, Graviton.
Effect Effect MZZ665 (Triangle)N4(Cross)4(Triangle) XYCKB5 (Cross)TP6JF TD(Circle)G Everything Collected Contributed by: ReyVGM
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Max Passwords
Effect MX9 Max Levels, and Stats FL9 Max Levels, Stats, Items, Money, etc. Contributed by: ReyVGM
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Music Test
On The Password Screen.
Effect Three Musical Notes Music Test Contributed by: YGHadi
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Ending cutscene
Enter the password on the password screen to view the ending and credits.
Effect +ND Shows ending Contributed by: ironyisntdead
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