This is shooting plane game, where you need to destroy enemy base. But before that you will meet a lot enemies with copters, planes and ships. They all want to destroy you. So you are alone, shoot and destroy them first. You can destroy and bullets too.
Use mouse to move the plane and to avoid enemies bullets.
This video is the solution for Pixel Jet Fighter game. Here you will find the answer for each level of the first Pixel Jet Fighter game.