This product is a brand new and unused Underground Keeper CD Key for Steam.

Immediately after payment, you will be sent a unique and unused CD Key which can be activated on Steam. You can collect this activation code from our Autokey page.

Simply enter your code into the Steam client (available free from steampowered.com). This will then grant you to a full digital download of the game.

How does our website work?

CJS CD Keys sell brand new CD Keys either taken directly from brand new sealed copies of the game, or sourced directly from world-leading game publishers. We source our keys in bulk directly from leading distributors and publishers, which reduces shipping costs.

This enables us to offer instant online delivery, at extremely competitive pricing.

After you receive your key, you can activate the game on the Steam client (available free from steampowered.com). After you activate the game with the Steam software, you can download the game immediately and instantly.

Benefits of buying from CJS CD Keys:

Instant Delivery

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NO shield fees - we offer a money-back guarantee within the price!

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Region Free

This product key we are selling is sourced directly from the publisher, or an official distributor of the game publisher. The key is completely region free and includes all languages. Region free means that you can activate the product code from anywhere in the world.

About Underground Keeper:

Underground Keeper is a logical 3D puzzle game from a first person view, inspired by Minesweeper. You will enjoy hours of excellent entertainment in a 60 levels and 4 different environments.

Render System, the authors of the popular action game TankZone Battle, will drag you through Underground Keeper into the world where you will not get further without thinking. Map, pickaxe, lamp and a some explosives will become your best buddies. You will have to get through dozens of levels only with their help until you reach the end – your freedom.

Chance to survive between the walls mined all over and on dangerous places is granted only to those who have thought through every step and are able to foresee the future. Dig up the surroundings and slowly proceed until you hit the indication of danger. Display with numerical value will show you how many dangerous sites are located in your area and you have to choose the right strategy to move forward.

Search, explore and try to locate walls mined all over with a little help of map and some hints. You can destroy it by the explosives in order to get a little further. Should you discover a safe road, you still need to find the portal and go through it to the next level.

Difficulty of levels rises alongside with your transition to higher levels and what initially seems like a nice and easy journey, with an increasing time activates brain cells of all true lovers of puzzle games.

Accept the challenge, overcome all the pitfalls and find a way out in a beautiful Underground Keeper puzzle game!

Key features:
• Dynamic levels full of pitfalls and dangers
• 3 difficulty levels suitable for beginners as well as real masters
• Intuitive and easy
• Sophisticated environment full of details in modern graphics