All Gene Unlock Methods & Effects
Complete list of all 16 genes in Subnautica 2 — how to unlock each one and what it does.
There are 16 genes in Subnautica 2’s Early Access. Some auto-unlock, others require scanning creatures.
Related: Full Story Walkthrough
Basic Genes (Auto-Unlock at Bio Lab)
| Gene | Effect |
|---|---|
| Accelerated Burst | Sprint in any direction |
| Path Marker | Release pheromone trail |
| Oxygen Control | Slow oxygen when still |
| Ocean Sprint | Faster near surfaces/seafloor |
Scan-Unlock Genes
| Gene | Scan Target | Effect |
|---|---|---|
| Camouflage Mimic | Bullethead | Invisible when still |
| Sonic Echo | Abyssal Giant Tentacle | Sonar pulse |
| Electric Discharge | Electric Sea Squirt | 800V shock |
| Bait Atomizer | Hound Squid + Toxic Sponge | Aerosol decoy |
| Predator Sense | Biting Shark | Detects threats |
| Homing Sense | Hammerhead Fish + Discharge Jellyfish | Finds powered bases |
| Threat Sense | Suspended Spinefish | Detects threats |
| Filter Feeding | Four-Wing Sea Squirt | Edible algae on skin |
| Water Retention | Coral Crab | More water from sources |
| Slow Metabolism | Biting Shark | Slower digestion |
| Fresh Water Secretion | Sea Slug | Filter water into bladders |
| Bioluminescence | Sand Spear + Electric Sea Squirt | Glow in dark |
Related: Leviathan Encounters | Full Story Walkthrough
Published: 5/17/2026