The earth is being attacked by creatures from deep space! Earth's last remaining scientists have reverse engineered several ships from the their technology. Time to bring the fight back into space! You are humanity's last hope!

Gamma Zero is an old school arcade vertical shmup. Be aggressive and rack up massive multipliers by collecting pickups as fast as possible.

Features:

• 3 stages of action as you take the fight from to edge of space to the invaders' base

• 3 ships with unique gun types

• 3 difficulties

• Boss rush mode

• Pickup chaining scoring system

• Unlock new ship colors

• Many screen rotation options, designed with Tate mode in mind