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The earth is being attacked by creatures from deep space! Time to bring the fight back to them! Battle through multiple stages of heart pounding bullet hell action. Evade the onslaught of bullets, rack up massive multipliers, and get revenge for your planet!
Price history tracked since Jul 7, 2026 · vs all tracked offers.
Based solely on tracked price history — not purchase advice.
How it worksTracked since Jul 7, 2026.
Steam Social Deduction Fest ends
Third-party resellers. Often cheaper, without official store support.
Try this game before buying.
The earth is being attacked by creatures from deep space! Earth's last remaining scientists have reverse engineered several ships from 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 intense bullet hell action
3 ships with unique firing patterns
3 difficulties
Boss rush mode
Pickup chaining scoring system
A total of 24 unique ship colors
Many screen rotation options, designed with Tate mode in mind
