: In 2021, Sony gave Subnautica away for free to all PlayStation users as part of the "Play at Home" initiative; no subscription was required to keep it. 4. Legitimate Ways to Earn the Game

For those looking to get the game without a direct purchase:

: Subnautica was the first-ever free game given away by Epic Games in late 2018. If you had an account back then and clicked "Claim," it is permanently in your library.

: Subnautica is frequently available in the Xbox Game Pass library , allowing subscribers on PC and Console to download and play the full game.