This pack replaces the original planets of the game, but you can save your real-life planets and quicksaves, by moving them to another folder, So you can install this one, and when you want to play with the real-life planets again, you can Install them back and repeat this process infinite times. In Eternia's folder In the attachments of this post there's a ReadMe.txt wich you really should read, so you learn how to switch between Eternia and the Real Solar System, as many times as you want
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