Bonus Stages
There are five bonus stages in the game Here is how to access each one
Stage 2 When you see a hole in the wall at the bottom of the screen fly down there
Prerequisite None
Stage 3 When you reach the lower level of the stage there is a platform in the ceiling that drops down When it drops down fly just below the part where the platform was
Prerequisite Destroy all of the ground targets in the stage up to that point
Stage 4 In the last set of Maoi heads they look like Easter Island heads there is one laying down which will lift itself up Fly behind it
Prerequisite Nothing must be highlighted on your powerup bar
Stage 5 Fly just below the ceiling before the narrow corridor
Prerequisite The hundreds digit of your score reads 5 7 or 3
Stage 7 Just after the long downward slope in the second half of the level stay close to the ground and fly into the wall formation that like zigzags up and down
Prerequisite Unknown
When you clear a bonus stage you will end up in the next level Thats right you dont have to fight the boss of the level you were in previously However if you get killed in the bonus stage you will be taken back to the regular level and will not be able to reenter the bonus stage
Easy Final Boss
The Final Boss Bacterion will die regardless of whether you attack it or not Just dodge his blasts and in fifteen or so seconds he will spontaneously die Even cheaper park your ship in the bottom center of the screen and the shots cant aim towards you
Extended Demo Mode
Continue to hold A through the initial demo and youll see the entire first stage including the boss
Full PowerUp without Code
Choose speed down for the option in the weapon select screen if you can get enough power ups to highlight the last weapon which will not be visible and using it without powering up on speed up you will get all four options missiles and the shield But if you have the laser already it will be taken away