Subnautica is available on PC (Windows/Mac), consoles, and has recently been released for iOS and Android .
“I just finished Subnautica in about 50 hours... and it's truly one of the top gaming experiences I've had. Protip: play in the dark :)” Reddit · r/patientgamers · 6 years ago
Players often emphasize the magic of the first playthrough and the importance of avoiding spoilers.
The game drops you into a vast, alien ocean world after a crash landing. You must manage oxygen, find food and water, and scavenge resources to craft tools and submersibles.