Crystals of Niberium
Released on December 13, 2017 by Atriagames
Developed by MetamorphoGames
Planet Niberium turned out to be rich in rare precious crystal. Space Corporation Sigma decided to extract these crystals. The extraction was carried out by NKX-627 Robot series. However, soon the Corporation Sigma discovered that they were not the only ones who were interested in the crystals.
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