Terraforming Mars – How to Get “Grand Champion” and “Ultimate Success” Achievements
This guide will be showing you the steps on how to get the sweep-related achievements in Terraforming Mars, the “Grand Champion” and “Ultimate Success” achievements. Milestones and Rewards For getting the Grand Champion and Ultimate Success achievements, you must sweep the Milestones and Rewards for both new maps (not at the same time, though that…
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