10 Extra Lives
Code Effect Pause the game and press: button I, Select, button II, Select, button I, Select, button II, Select. 10 Extra Lives
Control Allied Ships for 2-5 player co-op
Plug in 2-5 pads and start the game. The code should be entered on the pad you wish to use to control the ally (from 2-5) when an ally appears on screen. NB: Allied ships can't power up, but they can pick up smart bombs. The code must be re-entered when a new level starts.
Code Effect Hold Run then press Select (pad 2-5) Allows another player to control allied ships.
Contributed By: real_mukimuki.
While playing, pause the game and press Right, Left, Right, Left, Right, Left, Right, Left, II, II, II, II, II and II. You'll hear a sound if done right. Now, hold Left + I + II and unpause. If done right, you'll skip the stage.
Split Screen Mode
While playing, pause the game and press Down 3 times, Select 3 times, Button I 3 times and Up 3 times..
At the title screen, highlight "Option". Now, hold Select, then proceed to also hold Up and finally, press and hold Button 1 + Start. Keep holding all 4 buttons until the options screen loads.
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