Chikyuu Kaihou Gun ZAS

Developed by T&E Soft
Release date: 18 Dec 1992
Shooter
Chikyuu Kaihou Gun ZAS
Developer: Publisher: T&E Soft
Platforms: Game Boy
A Vertical Scrolling shooter/shmup released only in Japan. It's notable for using the DMG Game Boy's passive-matrix image retention/ghosting to simulate transparency and multiple layers of parallax.