NOTICE: Requires the base game Surviving Mars in order to play. Activation key must be used on a valid Steam account. Requires internet connection.
About The Game
The era of colonization is over and a new age of exploration has begun. You’ve just scratched the surface of Mars, now get ready to go below and beyond!
Back to the Bases - Expand your colony into caves and lava tubes under the surface. Players can use existing structures, or underground-specific buildings to build a base for exploration. Expand with caution, potential cave-ins can destroy everything.
Mine Your Own Business - Players can now go below the surface and beyond the red planet for resource mining. Construct special rocket-propelled buildings to mine resources, including exotic minerals and Data Samples, on passing asteroids. Don’t stick around too long or else the Asteroid will drift away with your stuff!
Branching Paths - The Recon and Expansion research trees unlock additional buildings, vehicles, upgrades, and locales. They will also unlock asteroid mining and tunnel colonization.
© 2021 Paradox Interactive AB, SURVIVING MARS, and PARADOX INTERACTIVE are trademarks and/or registered trademarks of Paradox Interactive AB in Europe, the U.S., and other countries. Developed by Haemimont Games. All other trademarks, logos, and copyrights are property of their respective owners.
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: Surviving Mars: Below and Beyond. 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!
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