Biomods are one of the most important progression systems in Subnautica 2. These biological upgrades provide passive and active abilities that improve exploration, survival, mobility, and resource management across the ocean.
You unlock Biomods by bioscanning specific creatures and plants, while equipping them requires access to a Bio Lab. Early in the game, players can use abandoned Bio Labs near the Lifepod before eventually crafting one for their own base.
All Biomods in Subnautica 2
Biomod | Type | Effect | How to Unlock |
Dash | Active | Dash quickly in any direction | Unlocked by default |
Pathfinder | Active | Leaves a pheromone trail you can follow | Unlocked by default |
Sonic Echo | Active | Sends a sonar pulse that highlights nearby ore deposits | Bioscan the Collector Leviathan |
Chum Cloud | Active | Creates bait that distracts predators | Bioscan Toxic Sponge and Houndgar |
Electric Discharge | Active | Emits an electric shock that stuns nearby predators | Bioscan Electric Geordie |
Sea Skimmer | Passive | Swim faster while close to the seafloor | Unlocked by default |
Oxygen Control | Passive | Slows oxygen consumption while stationary | Unlocked by default |
Bioluminescence | Passive | Your body glows in dark areas | Bioscan Sandspear and Electric Geordie |
Homing Sense | Passive | Detects powered bases nearby | Bioscan Surge Jelly and Hammerhead |
Water Retention | Passive | Slows hydration loss | Bioscan Coral Crab |
Camouflage | Passive | Become invisible to predators while standing still | Bioscan Bullethead |
Threat Sense | Passive | Warns you when hostile creatures are nearby | Bioscan Hoverthorn |
Dermal Garden | Passive | Slowly produces edible nutrition packets | Bioscan Needler Mango |
Slow Metabolism | Passive | Slows hunger drain | Bioscan Nibbler Mango |
Water Secretion | Passive | Slowly generates drinkable water packets | Bioscan Water Slug |
Biological modifications, or biomods, add yet another dimension of progression to Subnautica 2 by allowing players to yet again choose their route on another survival strategy with biological upgrades over traditional equipment.
There are biomods that sustain the traditional gameplay like the slow metabolism and the water secretion which help with convenience. There are also several options that are more aggressive, like electric discharge, camouflage, sonic echo and dash which hugely improve exploration and survivability against the challenges of the harshest regions.
Players in subnautica tend to focus on mobility and oxygen biomods first to ease early game problems, before focusing on stealth and exploration upgrades.
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