Uploaded February 2021 | Updated September 2026, 1 week ago

---

Subnautica may be an underwater game, but you're still constantly limited by oxygen. It's usually no problem to swim to the surface and refill, but what if the planet's air was toxic? Could you still find the cure and complete the main storyline without ever going up to the surface? Let's find out.

Map Source:
reddit.com/r/subnautica/comments/l2t8t1/all_25_reaper_spawns_mapped_spoilers

Subscribe ► youtube.com/EphiTV?sub_confirmation=1
Twitter ►twitter.com/entropy_phi
Twitch ► twitch.tv/ephitv