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Reclaim the arcade. This is a high-octane space shooter where vibrant pixel art meets relentless alien armadas. Master your orbital defenses and survive the ultimate galactic onslaught.
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.
Steam Train Fest starts Jul 20, 2026
An alien fleet pierces the atmosphere, its warships blotting out the sun. Cities crumble, defenses fall, and the planet teeters on the brink of annihilation.
You are humanity’s last line of defense. One pilot. One ship. One chance to turn the tide.
Orbital Siege fuses the classic arcade shooters with planetary defense, delivering relentless action.
Key Features
🔥 Intense Shoot-'em-up Action: Survive escalating enemy waves and take down bosses.
⚙️ Upgrade & Defend: Boost firepower, speed, and shields with power-ups. Block enemy fire with defensive orbs, hunt foes with devastating lasers and homing missiles, and activate planetary turrets.
🎯 Dodge & Weave: Slip through storms of enemy fire with sharp precision.
🎨 Pixel Retro Style: Vibrant pixel art that celebrates the golden age of arcade gaming.
Right now the cheapest offer for Orbital Siege is CA$4.99 at Steam. KingsPrice compares 1 offers from 1 stores — official stores and keyshops — and refreshes prices throughout the day.
The lowest price KingsPrice has tracked for Orbital Siege is CA$2.49 (recorded on Jul 7, 2026). This covers the stores and period we monitor — set a price alert to catch the next drop to that level.
Create a free price alert on this page and KingsPrice will email you when Orbital Siege drops below your chosen price. The biggest discounts usually appear during seasonal Steam sales and publisher promotions — the sale calendar on this page shows the next confirmed event.
