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An endless rain of asteroids is approaching.Defend your home planet to the bitter end. Survive as long as you can. Orbital defense unit returns as a 2D shooter to the roots of the arcade classic Asteroids.
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
Right now the cheapest offer for orbital defence unit is CA$2.59 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 defence unit is CA$2.59 (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 defence unit 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.
