Mars Colony: Challenger 1.01 was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. MarsChallenger.exe or MCCDEMO.exe are the common file names to indicate the Mars Colony: Challenger installer.
Mars Colony: Challenger was developed to work on Windows XP, Windows Vista, Windows 7, Windows 8, Windows 10 or Windows 11 and can function on 32-bit systems. The program belongs to Games. The most popular version among Mars Colony: Challenger users is 1.0. The program is sometimes distributed under different names, such as "MarsChallenger", "Mars Colony Challenger". This software is an intellectual property of HyperKat. We recommend checking the downloaded files with any free antivirus.
From the developer:
Mars Colony: Challenger is a first person role playing game that offers you the challenge of setting up a remote base on the surface of Mars. You will have to setup and maintain the equipment that supplies pressure and a breathable atmosphere to the base.
You may want to check out more software, such as Mars Simulation Project, Mars Notebook or Mars Defence 3, which might be related to Mars Colony: Challenger.