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Full release 09 NOV 2026

CU//Field Guide
Playable in demo Layer 05 1,200–1,500 m

Overgrown Depths

The Jungle. Edible plants everywhere, and more enemies than any other demo layer. Combat is the price of passage.

Depth
1,200–1,500 m
Average temp
21.8°C
Range
5.6°C – 31.5°C
Threat
Extreme

What this layer is

The Overgrown Depths — “The Jungle” — is the final demo layer and the most biologically hostile. Thick vegetation provides Tree Sap, Groundwater and edible plants, and the layer lacks turrets and landmines. That makes it look like a paradise until the Thornbacks arrive.

Shade Crawlers, Sand Stalkers, Cave Ticks, Overgrown Ticks, Tentacle Plants, Thornbacks and the Elder Thornback all share the layer. The Elder is a boss-level threat with enormous health and loot. Stealth, fire and prepared medical supplies matter more here than raw damage.

Hazards

  • Dense enemy population and ambushes
  • Elder Thornback boss encounter
  • Tentacle Plants and Skullcrushers
  • Dense foliage that hides traps and drops

Enemies and resources

Known enemies

  • Shade Crawler
  • Sand Stalker
  • Cave Tick
  • Overgrown Tick
  • Tentacle Plant
  • Thornback
  • Elder Thornback

Notable resources

  • Banana
  • Tree Sap
  • Groundwater
  • Geotree
  • Hydreed
  • Lumalgae

For exact enemy damage and trap counters, see the bestiary. For item stats, use the item database.

Field notes

  1. Fight Thornbacks in open ground with a wall behind you.
  2. Do not wake the Elder Thornback unless you have a full medical kit and an escape route.
  3. Harvest bananas and tree sap before engaging anything.
  4. The layer loops back to Deeper Gravel Lands after the bottom; stock up before continuing.
Depth check: this layer ends at 1,500 m. The demo’s final layer is the Overgrown Depths at 1,500 m. The full game continues to 3,300 m.

Packing for the descent? Read the beginner guide, then check the injury system before you treat your first real wound.

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