Epic Games is offering a FREE Subnautica PC Game Download through December 27th, 2018. Descend into the depths of an alien underwater world filled with wonder and peril. Craft equipment, pilot submarines and out-smart wildlife to explore lush coral reefs, volcanoes, cave systems, and more - all while trying to survive. Click this link then click the "FREE" button and Sign In or Sign Up if you're new or to get your free game today.