Avoid and do not shoot the Boss at the end of any odd numbered level. After the Boss leaves, 16 lives, 36 bombs, and a double score will be awarded. |
Submitted by NetoHold Select, press Run at the title screen, and wait until the phrase "Area 1" appears. |
Submitted by NetoEnable the "Sound test" code. Press I, II, Select twenty two times. Then, hold Select + Run until gameplay begins. |
Submitted by NetoEnable the "Sound test" code. Press I, II then tap Select repeatedly until the debug screen appears. The following debug functions may now be enabled.
Level select
Enter 00 - 09 as a debug number.
Invincibility
Enter 77 as a debug number, then press Up, Down before exiting the debug screen.
Half game with many satellites
Enter 83 as a debug number.
Extra lives, bombs, and power
Enter the debug number for the desired level. Hold I + II and press Start to begin game play with 10 lives and 10 bombs. Additionally, you will continue from the previous location instead of the previous checkpoint after losing a life. |
Submitted by NetoHold Select while tapping I, II repeatedly at the title screen. Press Select to choose between four difficulty levels. Begin game play by holding Run and press Select. Alternatively, enable the Turbo switches and press I + II to start the first part of the code. |
Submitted by NetoHold Select and alternately tap Left, Right repeatedly until "Sound 01" appears. |
Submitted by NetoEnable the "30 continues" code. When the current game ends with 30 continues remaining, press Select, Select, then hold Select + Run until the game restarts. |
Submitted by NetoHold Right and quickly tap Run at the title screen. |
Submitted by Neto
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