Hawk: Freedom squadron

You should fly a fantasy battle aircraft, defend your country from the numberless air fleet of invaders. This is a game where you are going to participate in many air battles. If you want to kill enemy planes, shoot non-stop enemies, and destroy equipment, you need to move your aircraft across the screen. Put together a bunch of friends to defeat big flying bosses. It states that you can upgrade your planes and playing with friends is a great way to do that.