Subnautica | Version 1.21

Alterra systems online. Deploying survival update to all lifepod terminals.

#Subnautica #Update121 #UnderwaterSurvival

Here’s a social media post tailored for . You can use this on X (Twitter), Steam, Discord, or Facebook . Option 1: Short & punchy (Best for X/Twitter) subnautica version 1.21

Update now. Stay deep. Stay quiet.

— Unknown Worlds

We’ve released version 1.21 for Subnautica, focusing on technical depth rather than new content.

Descend safely, survivors. 🎧🔦

No new leviathans (yet), but this patch polishes the deep: 🔧 Crash fixes & performance optimizations 📦 Habitat builder menu improvements 🐟 Creature behavior tweaks 🌙 Save game stability on larger bases