***This event has ended***

In celebration of World Environment Day on June 5th, Subnautica will go on sale alongside several other games as part of a Valve special event until June 8th. During this time, we volunteered to donate 15% of Unknown Worlds’ profits from the sales of the original Subnautica to the Ocean Cleanup, a non-profit foundation that aims to develop and apply technologies (directly as well as indirectly) to remove – on a large scale – plastic pollution from the oceans.

Not unlike the bacterium that threatened Planet 4546B, our planet is threatened by a mass accumulation of garbage in the ocean. Marine debris, out of which 80% is plastic, has been reported to have an impact …