Sailing through the bioluminescent depths of Subnautica 2 in a Tadpole is one of the most satisfying experiences the game offers. This specialized vehicle provides a safe, oxygen-rich sanctuary while you explore hostile waters, allowing you to zoom beneath the waves without the constant threat of suffocation or predation. However, the ocean’s fauna are always eager to test the integrity of your glass cockpit.
To master underwater travel, you must follow a specific progression: locate scattered fragments, scan them to unlock the blueprint, and gather the specialized resources required to build the vehicle. This guide will walk you through exactly how to build a Tadpole in Subnautica 2.
Scanning for Tadpole Fragments
Before you can craft your vehicle, you must scan three distinct Tadpole fragments to unlock the blueprint. While there are five known locations in the early game, these three locations offer the most efficient path to progression.
- The Old Habitat Ruins: Located approximately 370 meters north of your Lifepod, this site is part of the "Quaker’s Black Box" questline. Navigate northwest up the ravine near the ruins entrance to find a crashed fragment. Tip: Scan the nearby Sonic Resonator and Scanner Station while you are here.
- The Northeastern Ravine: Travel 280 meters northeast of your Lifepod on a bearing of 75°. Follow the blue natural current down into the ravine; the fragment is located near the colony ruin platform on the left. This area is also a great source for lead.
- The Abyssal Crater Edge: Found at greater depths near The Great Jaw, this location requires careful oxygen management. Swim down the wall to the edge of the abyssal crater to find the fragment among the wreckage. We recommend equipping Air Bladders and a Standard Air Tank before attempting this dive.
Constructing the Tadpole Dock
Unlocking the blueprint is only the first step. To house and craft your new vehicle, you must construct a specialized docking station.
Base Requirements
You cannot simply park a Tadpole anywhere; you need a dedicated Moonpool with specific upgrades. Your base must provide significant vertical clearance, as the dock extends downward to accommodate the vehicle's full height. Additionally, you must install a Vehicle Fabricator on the side of your Moonpool to enable crafting.
Moonpool Construction Costs
To build the initial Moonpool and the Vehicle Fabricator, gather these materials:
- 5x Titanium
- 4x Titanium Ingots
- 2x Copper Wire
- 2x Glass
- 1x Copper Ingot
- 1x Silver Ingot
How to Build a Tadpole in Subnautica 2
Once your Moonpool is active and the blueprint is unlocked, you can use the Vehicle Fabricator to complete your build. Crafting the vehicle requires the following components:
- 2x Titanium Ingots
- 1x Glass
- 1x System Chip
- 1x Power Cell
While most materials are straightforward, obtaining the Power Cell and System Chip requires careful planning. You can find Strong Acid for your power cells by harvesting Necrolei Cysts in the Jelly Forest. For the chip, ensure you have scanned all necessary artifacts during early-game progression.
Maintenance and Survival Tips
Your Tadpole serves as a vital mobile base, but it is not invulnerable. To ensure long-term survival, keep these tips in mind:
- Carry Backup Power: Always keep an extra power cell in your inventory for emergencies in the deep ocean.
- Prioritize the Repair Tool: This is critical. The Tadpole can be battered by sea creatures or damaged by collisions with cliffs. Without a Repair Tool, you may be forced to exit the vehicle in hostile waters to fix it manually.
By following this guide, you will secure your resources and successfully learn how to build a Tadpole in Subnautica 2, dramatically enhancing your ability to explore the unknown.