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Subnautica After Zero Mod brings the famous underwater survival game into your Minecraft world. It continues the story a few years after the events of Subnautica Below Zero. This mod adds familiar alien fish, special tools, and massive ocean biomes to explore. It is built specifically to work with a custom story map for the best adventure. You can swim through deep cave networks, find lost technology, and try to survive against giant sea monsters.

Subnautica After Zero Mod

Features:

  • Ocean Biomes: Adds new underwater areas like kelp forests, safe shallows, and freezing icebergs.
  • Alien Life: Spawns many different types of fish and dangerous Leviathans from the original games.
  • Precursor Tech: Lets you find and explore huge alien facilities hidden deep in the world.
  • Gives you special tools and items needed to survive underwater.
  • Generates deep cave networks and dark voids to explore.
  • Adds giant glowing plants that grow near underwater heat vents.
  • Changes the way you survive by forcing you to manage oxygen and resources.

How to Play:

  1. Download and load the official custom map made for this mod to get the full story.
  2. Gather a group of exactly 2 to 4 players to start the adventure.
  3. Use your new tools to explore the ocean and find hidden alien technology.
  4. Stay away from the deep void areas and giant Leviathans while you gather resources.

Screenshots:

Subnautica After Zero mod title screen with a character floating in the ocean
Subnautica After Zero mod title screen with a character floating in the ocean
A dark precursor facility room with glowing cyan lights and futuristic block structures
A dark precursor facility room with glowing cyan lights and futuristic block structures
Massive leviathan creature lurking in the dark depths of the deep sea void
Massive leviathan creature lurking in the dark depths of the deep sea void
Vibrant underwater world featuring glowing red plants and deep blue ocean structures
Vibrant underwater world featuring glowing red plants and deep blue ocean structures
Bioluminescent plants and bubbles illuminate a dark underwater cave in the ocean
Bioluminescent plants and bubbles illuminate a dark underwater cave in the ocean
Rays of sunlight shine through the water onto glowing alien flora underwater
Rays of sunlight shine through the water onto glowing alien flora underwater
A player explores a large precursor facility hidden within a frozen biome
A player explores a large precursor facility hidden within a frozen biome
Overhead view of the custom map showing different biomes for underwater survival
Overhead view of the custom map showing different biomes for underwater survival

Requirements:

NeoForge Required
Simple Voice Chat Required

Continuity Mod Required

Subnautica After Zero Mod Download Links

Filter by

For Minecraft 26.1.2, 26.1.1, 26.1

NeoForge 96 MB Aug 7, 2026

For Minecraft 1.21.8, 1.21.7, 1.21.6

NeoForge 94 MB Aug 7, 2026

For Minecraft 1.21.4

NeoForge 92 MB Aug 7, 2026

For Minecraft 1.21.1, 1.21

NeoForge 94 MB Aug 7, 2026

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