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Defend Zytherion in frantic battles against alien hordes! In Astro Defender, pilot the legendary Zenith-01 and face a galactic threat in a fast-paced action-platformer. Will you be the galaxy's last hope?
Price history tracked since Jul 7, 2026 · vs all tracked offers.
Based solely on tracked price history — not purchase advice.
Tracked since Jul 7, 2026.
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Get ready to embark on a breathtaking intergalactic battle! In Astro Defender, you take control of Astro, a fearless alien hero piloting the legendary Zenith-01 to protect the peaceful planet Zytherion from a massive invasion led by the ruthless Lord Kael'Thar.
Combining the thrill of classic arcades with modern action-platformer mechanics, Astro Defender delivers frantic gameplay, strategic challenges, and an engaging story. Traverse shimmering forests, electrified deserts, and floating cities while facing hordes of biomechanical enemies.
Arcade Rhythm: Face waves of enemies in fast-paced, intense battles.
Vibrant Environments: Explore alien landscapes filled with intricate details and dangers.
Be the last hope of Zytherion and defend the galaxy's future. Will your courage be enough to face the chaos? Astro Defender launches first on Steam, ready to test your skills and reflexes!
