Need a quick guide for Icarus on how to place a door? Though you arrived on the planet in a rocket, you don't need to be a rocket scientist to snap a door into one of the walls of your base. But it's not exactly obvious how to place a door at first, and in Icarus it works a little differently than in some other survival games you may have played...
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Icarus building guide: How to place a door on your base
Source: PC Gamer (opens in a new tab)