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18 new projects, 2 new corporations and 3 variants of existing cards are added in this promo pack
Price history tracked since Jul 7, 2026 · vs all tracked offers.
Based solely on tracked price history — not purchase advice.
How it worksTracked since Jul 7, 2026.
Steam Train Fest ends
Official stores with direct support.
Third-party resellers. Often cheaper, without official store support. Keyshop prices vs Steam →
This is the base game required to play this DLC. Other expansions may also be required.
Add even more variety to your games with 23 new cards, including 2 corporations. Lead the Asteroid focused Astrodrill corporation– a new kind of resource – or join the Pharmacy Union, and its disease mechanic for expert players. Explore new horizons, broaden your strategies and create even more effective combos with cards such as Meat Industry, rewarding you each time you play an animal card or the almighty Asteroid Deflection System, protecting your plants from your opponent and raining points from above.
The Big Box Promo Pack includes 23 cards:
· 2 new Corporations, Astrodrill playing around the asteroid resource and the expert Pharmacy Union with its unique disease mechanic.
· 18 exciting Projects, focusing on asteroids and adding new combos.
· 3 variants of existing cards to bring them up to date:
Deimos Down
Great Dam
Magnetic Field Generators
Lowest tracked price: €2.49 (Jul 20, 2026) · current best: €2.51 across 6 stores.
42% positive reviews all-time.
Right now the cheapest offer for Terraforming Mars - Big Box Promo Pack is €2.51 at Eneba. KingsPrice compares 7 offers from 6 stores — official stores and keyshops — and refreshes prices throughout the day.
The lowest price KingsPrice has tracked for Terraforming Mars - Big Box Promo Pack is €2.49 (recorded on Jul 20, 2026). This covers the stores and period we monitor — set a price alert to catch the next drop to that level.
Keyshops are marketplaces that resell game keys, usually below official store prices. The keyshops listed on KingsPrice deliver genuine Steam keys, but buyer protection differs from official stores — check the shop's rating and refund policy before buying. You can hide keyshop offers at any time with the keyshops toggle. Keyshop prices vs Steam →
Create a free price alert on this page and KingsPrice will email you when Terraforming Mars - Big Box Promo Pack 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.
