This game has been Greenlit by the Community!

The community has shown their interest in this game. Valve has reached out to this developer to start moving things toward release on Steam.

Mars Colony: Challenger
June 21, 2014 - hdortch

To all that have liked us through our Greenlight page but may not have picked up a copy of the game yet, Mars Colony: Challenger is now 66% off for the duration of the Steam Summer Sale. Enjoy!

November 21, 2013 - hdortch

Price has been lowered for the holiday. go to and follow the purchase link. Join the forums and have your say or hook up with others for team runs.

August 13, 2013 - hdortch

Would just like to update everybody that Mars Colony: Challenger v1.07 is available through the Hyperkat website,, as well as a demo of the game.

April 8, 2013 - hdortch

Each zone is 16 square kilometers in size
There are 3 zones, 7 game phases per zone.
Free roaming sandbox play style
Day and night cycles
Realistic thermal, pressure and radiation
Occasional random storm activity
Players have to setup and maintain a farm
Plants will grow over time
Players must eat, drink, and use a toilet
Players must make breathable air
There are 20 resources underground to discover
Players must set mining equipment for ore extraction
Equipment must be installed and maintained
Parts of equipment will break and need repair
Based on a simulator, everything is interrelated

March 22, 2013 - hdortch

Added new screenshots of some of the work modules. Visit the website to see the game help files so you can get a better sense of the magnitude of the work involved.

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