Easter Eggs and Glitches:
How can Green be defeated without being able to transform?
Green can be easily defeated. He is designed in such a way that he can only transform when your character is not looking at him. Just keep your character facing Green and keep firing, and you will easily defeat him without having to deal with his transformed forms.
Easter Eggs and Glitches:
How can I defeat Orange without getting attacked in Gunstar Future Heroes?
To defeat Orange without him attacking you, simply keep sliding into him constantly. He has a delay time before he can move again, which is just long enough to slide again, allowing you to effortlessly defeat Orange to save HP for Green and Gold Silver. By doing this, it takes about a minute to defeat him in Gunstar Future Heroes.