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Orbital Siege

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About Orbital Siege

Orbital Siege is an arcade shoot-'em-up about defending a planet from an alien fleet. You pilot a single ship against escalating enemy waves and massive bosses as cities crumble and planetary defenses fall.

Fight the invasion

You dodge storms of enemy fire while upgrading your ship's firepower, speed and shields. Defensive orbs block attacks, while lasers and homing missiles hunt enemies. You can also bring planetary turrets online.

A loyal wingman flies alongside you, dodges enemy fire and repairs your ship. Combining upgrades unlocks synergies, letting you build a stronger ship with each run.

Hold out

Survive as long as you can and compete for a place on the leaderboard. The game features vibrant pixel art inspired by the golden age of arcade games.

Frequently asked questions

Steam lets publishers create keys to sell in other shops. Once you activate a key, the game is yours to keep, just like a store purchase.

Disclaimer: CD keys have an inherent 1–2% average failure rate. Check the shop terms for buyer protection info. Steam offers no buyer protection for keys bought in other shops and doesn't refund them.

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