NOTICE: Activation key must be used on a valid Steam account. Requires internet connection.
About the game
The taming of the Red Planet has begun!
Corporations are competing to transform Mars into a habitable planet by spending vast resources and using innovative technology to raise temperature, create a breathable atmosphere, and make oceans of water. As terraforming progresses, more and more people will immigrate from Earth to live on the Red Planet.
In Terraforming Mars, you control a corporation with a certain profile. Play project cards, build up production, place your cities and green areas on the map, and race for milestones and awards! Will your corporation lead the way into humanity’s new era?
1. Register an account
Go to www.steampowered.com and click 'login' at the top right corner of the website. After that, press 'Join Steam' in the middle of your screen to create your account.
2. Download Steam
Click the green button that says 'Install Steam' at the top right corner of the website, install Steam and login with with the account you created in step 1.
3. Click 'Games' at the top of your screen and select 'Activate a product on Steam'
4. Open the confirmation e-mail you received from Startselect and copy the code into the 'Product Code' box.
5. Confirm the code and install the game
6. You can access your games by clicking 'Library' at the top of your screen.
7. After the download is completed, you can enjoy your game!
Now on Startselect!
Now available at Startselect: Terraforming Mars. At Startselect you can purchase your digital games and gift cards anywhere and anytime. All of our products are fully authorized and supported by the publisher or developer.
Do you want to purchase this product? Just pick one of the payment methods, check out and you will receive your digital code almost immediately in your mailbox. If you run into any problems or if you have a question, our support team is standing by. We want to give you the easiest shopping experience, so you can use your product straight away!
Happy with your choice? Be sure to check out all the other products available at Startselect!