SUBNAUTICA DATABASE GUIDE
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GUIDE INDEX

BELOW ZERO PROBLEM ROUTES
BELOW ZEROOPEN HUB ↗
NEXTWhat to do nextFINDCan't findUNLOCKCan't unlock
FIELD RECORD // NEXT
GAME // below zeroENTITY // Crystal CavesVERIFIED

NEXT // PDA CASE FILE

What to Do After Reaching the Crystal Caves

The Crystal Caves are a deep progression check. Stabilize your Seatruck route, collect the materials you need, and keep the architect path moving.

LAST CHECK

ANSWER LOCK // QUICK RESPONSE

Use the Crystal Caves to complete deep-material and architect objectives, then follow the story route toward the final facilities rather than searching for a new radio marker.

SIGNAL CONFIRMED

PROGRESSION STATUS

CURRENT STATECrystal Caves reached
NEXT OBJECTIVEComplete deep-material and architect objectives
PROGRESSION GATESeatruck depth upgrade, power, and a marked return route
LATER DESTINATIONFinal architect facilities

BRING THIS

  • Seatruck with an appropriate depth upgrade
  • Cold protection for surface detours
  • Extra power cells

DATA ACCESS LEVEL

Reveal only as much as you need

01 // HINTHintLOW SPOILER
ACCESS LOCKED // OPEN TO REVEALAt this depth, your equipment checklist is the quest log.
02 // DIRECTIONDirectionROUTE GUIDANCE
ACCESS LOCKED // OPEN TO REVEAL

Mark the cave entrance, scan the facilities and resources, and use your new materials to extend the Seatruck route.

03 // EXACT ANSWERExact answerFULL SPOILER
ACCESS LOCKED // OPEN TO REVEAL

Continue the architect and Sam story objectives in the deep biomes; the Crystal Caves are part of the endgame approach.

COMMON REASONS YOU ARE STUCK

  • Entering with no return route
  • Skipping architect artifacts
  • Assuming every objective generates a waypoint

NEXT WAYPOINTS

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EVIDENCE LOG

Verification record

Facts on this page are separated from player speculation. Version-sensitive answers should be rechecked after an official update.

LAST CHECK2026-08-30