Name: Terraforming Mars - Big Box Promo Pack DLC (Steam)
Brand: Twin Sails Interactive
SKU: KT-59F64C00F5
Price: 2.64 EUR
Availability: InStock

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 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.

Redeem on Steam

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Step 2: Open the Games menu, then choose Activate a Product on Steam…
Step 3: Enter the key and follow the prompts.
Step 4: The game appears in your Library.

Steam's redeem page Full guide for Steam

Activation notes from the publisher

Go to: http://store.steampowered.com/ and download STEAM client Click "Install Steam" (from the upper right corner) Install and start application, login with your Account name and Password (create one if you don't have). Please follow these instructions to activate a new retail purchase on Steam: Launch Steam and log into your Steam account. Click the Games Menu. Choose Activate a Product on Steam... Follow the onscreen instructions to complete the process. After successful code verification go to the "LIBRARY" tab and start downloading.