World Biomes

Explore the depths. From the safe shallows of Forgotten Deep to the dangerous Spirit Roots.

0m - 100m

Forgotten Deep (Spawn)

The starting area and main safe zone. No oxygen is consumed inside the bubble. Contains most beginner shops.

  • Access: Free / Spawn
  • Tube Needed: Wooden / Normal
  • NPCs: Kraken, Henry, David, Scientist, Virelia (Geodes)
  • Secrets: Bob's Room (15 Ducks), 3 Hidden Chests
🏝️
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120m - 300m

Ancient Sands

A vast underwater desert filled with fossils and ancient ruins. Home to mid-game gear upgrades.

  • Access: Rock Arch with "Crazy Jeff" sign
  • Tube Needed: Pufferfish / Boat Tube (180m+)
  • NPCs: Marcus, Crazy Jeff, Grumpy Hank (Rukiry Tube)
  • Key Items: Crossbow, Wasted Gun, Boat Tube
350m - 550m+

Spirit Roots

A mystical cavern filled with glowing blue crystals. Home to the passive but valuable Hammer Shark.

  • Access: Cave behind the Scientist area
  • Tube Needed: Oxy Tube / Magroot Tube (400m+)
  • NPCs: Lumi, Victor
  • Key Items: Magroot Gun, Lost Spirit Gun
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600m - 650m

Angler Cave

The deepest known zone, dangerously dark. Only for the most prepared divers.

  • Access: Complete "Lost Captain" Questline
  • Tube Needed: Ruined Tube / Bath Tube
  • NPCs: Lightkeeper
  • Key Items: Ruined Tube (Best available)

🚀 Fast Travel System

Unlock teleporters to move quickly between biomes. Locate the Porta-Potties in each zone.

Unlock Requirement

Talk to the Scientist in Forgotten Deep to start the "Fix the Toilet" quest.

Locations

Main Hub (David's Shop) ↔ Ancient Sands (Crazy Jeff's Cave) ↔ Spirit Roots.

Cost

Small fee per travel, or free with certain upgrades/gamepasses.