Subnautica 2 Wiki / Biomods

Subnautica 2 Biomods — DNA Modification Guide

Subnautica 2 Biomods are permanent DNA modifications that augment the Pioneer with enhanced survival, traversal, and utility abilities. To unlock most Biomods you need the Bioscanner — a craftable tool that reads creature and environmental DNA — and the DNA Modification Station (built inside your habitat). The exception is Heat Tolerance, which is obtained through story progression.

How DNA Modifications Work

  1. 1.Craft the Bioscanner (requires Enamelled Glass ×2, Conduit Crystal ×3, Feedback Resonator ×1 — at the Fabricator).
  2. 2.Scan the target creature or object listed under each Biomod to unlock its recipe.
  3. 3.Build the DNA Modification Station inside your habitat (blueprint obtained with the Bioscanner).
  4. 4.Craft the Biomod at the DNA Modification Station using the listed ingredients.
  5. 5.Equip the Biomod in the Pioneer's Biomod slots (limited slots — choose carefully).

Recommended Biomod Priority

Early (Before Tadpole)

  1. Heat Tolerance (story)
  2. Expanded Lung Capacity
  3. Hydrodynamic Adaptation
  4. Dermal Garden

Mid-Game

  1. Electroreception
  2. Bioluminescence
  3. Toxin Resistance
  4. Mineral Resonance

Late-Game

  1. Pressure Adaptation
  2. Enhanced Grip
  3. Regenerative Tissue
  4. Camouflage Skin

Survival Biomods

Heat Tolerance Adaptation

Survival

Allows the Pioneer to survive in high-temperature volcanic zones. Enables Sulfur farming in thermal vents.

How to Unlock

Interact with the Angel Comb (~205m NW of Lifepod) after destroying surrounding Bloom with Sonic Resonator

How to Get

Story event — not crafted

The single most important early-game Biomod. Unlocks Sulfur → Strong Acid → all advanced crafting chains. Do this as soon as you have the Sonic Resonator.

Dermal Garden

Survival

Allows the Pioneer to grow and harvest Necrolei Cysts directly from their skin, providing a passive supply without deep-biome runs.

How to Unlock

Scan the Needler Mango creature with the Bioscanner

Ingredients

  • 1× Enamelled Glass
  • 2× Necrolei Cyst
  • 1× Conduit Crystal

Station: Bioscanner (DNA Modification Station)

Prioritize early — Necrolei Cysts are the primary ingredient for Strong Acid, making this Biomod a key automation unlock.

Thermal Regulation

Survival

Extends the safe temperature tolerance threshold, allowing longer stays near hydrothermal vents and lava zones without the Heat Tolerance Adaptation being consumed.

How to Unlock

Scan a Sulfur deposit or thermal vent creature with the Bioscanner

Ingredients

  • 2× Troilite
  • 1× Titanium Ingot
  • 1× Strong Acid

Station: Bioscanner (DNA Modification Station)

Complements Heat Tolerance — useful for extended volcanic biome farming sessions.

Pressure Adaptation

Survival

Increases the Pioneer's bare-swimming crush depth, extending how deep you can dive without a Tadpole.

How to Unlock

Scan a deep-biome creature (below 400m) with the Bioscanner

Ingredients

  • 2× Celestine
  • 2× Titanium Ingot
  • 2× Conduit Crystal

Station: Bioscanner (DNA Modification Station)

Less critical once you have the Tadpole with Depth Modules, but useful for tight spaces vehicles can't enter.

Traversal Biomods

Electroreception

Traversal

Allows the Pioneer to detect nearby creatures and resources through solid walls and terrain using electrical pulse sensing. Functions like a passive radar within ~20m.

How to Unlock

Scan the Electric Geordie creature with the Bioscanner

Ingredients

  • 3× Conduit Crystal
  • 2× Copper Wire
  • 1× Strong Acid

Station: Bioscanner (DNA Modification Station)

Extremely useful for locating ore deposits in dark caves without a scanner. Also helps avoid leviathan surprise attacks.

Hydrodynamic Adaptation

Traversal

Increases swimming speed by ~30% and reduces oxygen consumption while sprinting. Significantly improves early-game traversal before the Tadpole is built.

How to Unlock

Scan the Flash Slug with the Bioscanner

Ingredients

  • 2× Enamelled Glass
  • 1× Titanium Ingot
  • 2× Silver Ore

Station: Bioscanner (DNA Modification Station)

High-value early Biomod for exploring shallow-to-mid biomes. Combine with the Repair Tool for efficient surface-to-cave runs.

Bioluminescence

Traversal

Gives the Pioneer a passive glow, illuminating nearby terrain without consuming power. Acts as a free light source that replaces needing a dedicated lighting tool in most mid-depth caves.

How to Unlock

Scan the Surge Jelly or Jelly Ring with the Bioscanner

Ingredients

  • 2× Conduit Crystal
  • 1× Necrolei Cyst
  • 2× Glass

Station: Bioscanner (DNA Modification Station)

Pairs well with Electroreception — together they effectively replace a dedicated exploration loadout in dark biomes.

Combat Biomods

Toxin Resistance

Combat

Significantly reduces damage and duration from poison and toxic cloud attacks. Makes navigating Tongue Thief and Epicurean territories much safer.

How to Unlock

Scan the Tongue Thief or a poisonous creature with the Bioscanner

Ingredients

  • 3× Necrolei Cyst
  • 1× Strong Acid
  • 1× Silver Ore

Station: Bioscanner (DNA Modification Station)

Important before exploring dense mid-depth areas where Tongue Thieves cluster near cave entrances.

Regenerative Tissue

Combat

Passively regenerates a small amount of health over time when not taking damage. Reduces consumable food/water requirements during long dives.

How to Unlock

Scan the Waterslug with the Bioscanner

Ingredients

  • 1× Titanium Ingot
  • 2× Celestine
  • 2× Necrolei Cyst

Station: Bioscanner (DNA Modification Station)

Low-priority early game but valuable for late-game deep runs where returning to base for healing is costly.

Sonar Pulse

Combat

Grants a short-range active sonar pulse (cooldown ~10s) that reveals creature positions within ~40m through terrain. Can briefly stun smaller creatures.

How to Unlock

Scan the Four-Eyes creature with the Bioscanner

Ingredients

  • 2× Conduit Crystal
  • 2× Copper Wire
  • 1× Titanium Ingot

Station: Bioscanner (DNA Modification Station)

Useful in high-threat leviathan corridors for early detection before engagement.

Utility Biomods

Enhanced Grip

Utility

Allows the Pioneer to cling to walls and ceilings of caves and structures, enabling vertical traversal without air expenditure and access to previously unreachable loot.

How to Unlock

Scan the Quadrate creature with the Bioscanner

Ingredients

  • 2× Creature Enamel
  • 1× Titanium Ingot
  • 1× Glass

Station: Bioscanner (DNA Modification Station)

Opens up many cave shortcuts and secret areas. Often required to reach specific scan targets for other Biomods.

Expanded Lung Capacity

Utility

Increases oxygen reserves by ~40%, extending bare-swim dive time significantly. Makes surface intervals less frequent.

How to Unlock

Scan the Halfmoon creature with the Bioscanner

Ingredients

  • 1× Celestine
  • 1× Conduit Crystal
  • 2× Glass

Station: Bioscanner (DNA Modification Station)

High-value early Biomod for deep swimming before Tadpole construction. Prioritize alongside Hydrodynamic Adaptation.

Metabolic Efficiency

Utility

Reduces food and water consumption rate by ~35%, allowing longer sessions before needing to eat or drink.

How to Unlock

Scan the Nibbler Mango or Epicurean with the Bioscanner

Ingredients

  • 1× Necrolei Cyst
  • 2× Silver Ore
  • 1× Glass

Station: Bioscanner (DNA Modification Station)

Quality-of-life Biomod for long exploration sessions. Less critical than survival or traversal Biomods.

Mineral Resonance

Utility

Highlights nearby raw ore deposits through terrain with a faint glow, making resource farming significantly faster in dark or dense biomes.

How to Unlock

Scan an ore deposit node with the Bioscanner (any mineral outcrop)

Ingredients

  • 3× Conduit Crystal
  • 2× Troilite
  • 1× Strong Acid

Station: Bioscanner (DNA Modification Station)

Extremely valuable for efficient ore runs. Combine with Electroreception for full environmental awareness.

Camouflage Skin

Utility

Makes the Pioneer temporarily invisible to most creatures when stationary (hold-to-activate, ~15s duration, ~45s cooldown). Does not affect leviathans.

How to Unlock

Scan the Hound Gar or Pneuma with the Bioscanner

Ingredients

  • 2× Enamelled Glass
  • 2× Necrolei Cyst
  • 2× Silver Ore

Station: Bioscanner (DNA Modification Station)

Useful for sneaking past Tongue Thieves and other mid-tier threats. Does not work on leviathans — do not rely on it for Shiver or Collector encounters.

Biomod recipes and effects reflect the current May 2026 release build and may change as the game receives updates.