The best alternatives to Mars Colonies are Shark Tracker, Silly Snake 2.0, and Sqake. If these 3 options don't work for you, we've listed a few more alternatives below.
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With Perseverance now on Mars, take an up-close interactive look at this and other rovers that paved the way. From the treacherous landing attempt to the flight of the first interplanetary helicopter, this app brings the mission to life.