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The Red Moons Campaign features the moons of Mars, Phobos and Deimos! Can you beat all of the red asteroids? Master this campaign and earn campaign stars!
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
This is the base game required to play this DLC. Other expansions may also be required.
The Red Moons Campaign features the moons of Mars, Phobos and Deimos! Can you beat all of the red asteroids? Master this campaign and earn campaign stars!
Two celestial bodies:
Phobos: 3x3 moons
Deimos: 2x2 moons
You no longer have to own Phobos or Deimos items in your steam inventory to play this campaign! If you own this DLC you can keep it to yourself forever!
Instant unlock! No download required
Earn a campaign gift from this DLC! (4000 credits, three 2X Multiplier)
Master this campaign and show your pride with campaign stars!
Support the developer!
Lowest tracked price: CA$1.29 (Jul 7, 2026) · current best: CA$2.59.
Right now the cheapest offer for Asteroids ++ | Red Moons 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 Asteroids ++ | Red Moons is CA$1.29 (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 Asteroids ++ | Red Moons 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.
