Subnautica 2 Mid-Game Progression Guide

Mid-Game Progression Steps

1. Build the Tadpole

Tadpole — your main vehicle for exploration

Recipe	Details
Titanium Ingot x2	Required
Glass x1	Required
System Chip x1	Required
Power Cell x1	Required

Requires: Moonpool (Titanium x5) + Vehicle Fabricator (Titanium Ingot x2, Copper Ingot x1, Glass x2)

Moonpool and Vehicle Fabricator setup

Always dock to charge at a Tadpole Dock.

2. Unlock New Tools

Essential mid-game tools

Tool	Recipe
Sonic Resonator	Basic Battery x1, Titanium Ingot x2, Lead x2, Wiring Kit x1
Repair Tool	Titanium Ingot x1, Wiring Kit x1, Basic Battery x1, Sulfur x1
Rebreather	Fiber Mesh x2, System Chip x1
Wakemaker	Silver x1, Wiring Kit x1, Grease x1, Basic Battery x1
Battery Terminal	Titanium x2, Quartz x2, Copper Wire x1

3. Get Heat Tolerance Adaptation

Heat Tolerance lets you explore volcanic areas

Unlocks high-temperature area exploration. Required for Tadpole Sanctuary.

4. Continue Collecting Blackboxes

Blackboxes offer lore and tech

5. Establish Material Locations

Know your go-to farming spots

6. Scan All Flora

Scan plants before you can farm

7. Prepare to Cross the Chasm

Your goal: reach the Alien Ruins

The Collector Leviathan guards the Chasm

Have Scout Chassis and Repair Tool ready.

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The Bottom Line: Subnautica 2 doesn’t hold your hand, and that’s exactly why we’re here. The progression loop is simple: explore, find something that kills you, build the thing that stops it from killing you, go deeper. Get the Digestion Adaptation early. Build a base near the Alien Ruins before you attempt the crossing. And when NOAH marks a Blackbox location? Go there. That’s the game telling you where the good stuff is.