JABBA ARK / Player tools

Cave guide

JABBA's caves and the rules for building in them. Every line comes from our own server settings, rules and in-game checks. 2 caves listed so far; more are added as staff check them.

Cave rules on JABBA

Cave building
Allowed on both clusters, PvP and PvE. Server Info, server settings.
Structure damage in caves
3x (official is 6x). One C4 on a Tek wall did 2,329 damage in a cave and 772 outside. Dakota's raid test, Oct 12 2026.
Tesla coils in caves
Allowed. Cybers Structures cave settings, checked in game Sep 8 2026.
Blade Wasps, Tribe Towers and Gachas in caves
Work in caves. Cybers Structures cave settings, Sep 8 2026.
Broken ratholes
Open a ticket before you build in one. Warning and move time, then 100 AOE, then tribe wipe, then ban. Building rules.
Foundation spam near a cave
Max 60 foundations from your nearest outpost tower and 250m from a base or cave entrance. Building rules.
Cave loot
All gear is blueprints. Journeyman to Mastercraft in blue, purple and yellow caves, Mastercraft to Ascendant in red ones, Tek Ramshackle to Ascendant. Loot guide, checked against the live servers Oct 1 2026.
Underwater caves
On The Island and Astraeos. Gear is blueprints, Mastercraft to Ascendant, red ones Ascendant to Epic. Loot guide, Oct 1 2026.
Custom Cave Edit
$35 in the Shop. Dakota opens up, clears or reshapes a cave by hand after a ticket. Shop.

Hit counts for a cave wall are on the raid calculator.

Caves by map

2 caves on 2 maps.

Ragnarok Castle Cave

Ragnarok

Coordinates
Not checked yet
Entrance
Not checked yet
Structure damage
3x, like every cave on JABBA
Building
Allowed, but banned for Cluster Alpha

On the Cluster Alpha banned list. A tribe that builds here is disqualified from Cluster Alpha until the season ends.

Source: Cluster Alpha banned-cave list (!cacaves), Oct 29 2026

Button Cave

Valguero

Coordinates
Not checked yet
Entrance
Not checked yet
Structure damage
3x, like every cave on JABBA
Building
Allowed

Buildable again since the v94.35 update on Oct 21 2026. It was opened for building on Sep 8 2026.

Source: JABBA'S HELPER news post Sep 8 2026; Dakota confirmed it in game Oct 21 2026

Banned for Cluster Alpha

Building in one of these disqualifies your tribe from Cluster Alpha until the season ends. The live list is !cacaves in Discord.

List as of Oct 29, 2026.

Unsure about a cave? Ask staff before you build.

Missing a cave?

Staff add caves after checking them in game: coordinates, what fits through the entrance, and whether building there is allowed. If you know one that isn't here, open a ticket in Discord with the map and the cave's name.