Invader - SHMUP / Space Shooter (Gameboy Advance GBA)

Join the fight for freedom in Invader! Your mission: defend the human solar system, Alpha Nerconis, from the evil swarm, a seemingly unstoppable alien force bent on total domination. Grab the controls of either a Rygotian or an Ikaben ship and get ready to join the fast-paced and explosive battle. Only you can stop these invaders, and save the solar system.

The game is a custom smoke gray cartridge.  This game never got an official release in the US.  This is a custom localized version.