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Build towers on rotating orbital rings to defend your planet. Discover powerful upgrades, battle elite enemies and bosses, and master unique planets with distinct challenges.
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Defend your planet from every direction.
Build powerful orbital defenses on rotating rings surrounding your planet. As enemy fleets close in from all angles, every placement matters—and every rotation changes the battlefield.
Create devastating combinations by unlocking dozens of towers, powerful upgrades, and branching upgrade paths. Adapt your strategy to survive relentless enemy waves, elite variants, and screen-filling boss encounters.
No two planets are the same. Each world features unique orbital layouts, special abilities, and new tactical challenges that force you to rethink your defenses.
Unique Orbital Gameplay – Build towers on rotating rings that constantly reposition your defenses.
Many Towers & Upgrades – Discover a wide variety of towers with branching upgrade paths.
Elite Enemies & Epic Bosses – Face dangerous elite units and massive bosses that demand new strategies.
Elite Upgrades – Earn powerful upgrades to push your builds beyond their limits.
Defend Multiple Planets – Every planet offers distinct ring patterns, abilities, and difficulty levels.
Endless Build Variety – Experiment with different tower combinations and synergies on every run.
Clean Geometric Visuals – A minimalist style where everything is generated from simple shapes, keeping the action clear and readable.
Can you build the ultimate orbital defense and protect humanity's last worlds?
Steam lists the Orbital Tower Defence release date as July 2026.
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