21. Giant Jaw Clam & Portable Oxygen Generator

Find the Giant Jaw Clam and craft the Portable Oxygen Generator for extended exploration.

From the Colonist Bunker (Unauthorized NOA Modification) location, look SE 165. Head past the Mingchan wreck.

Heading SE from Colonist Bunker

In the distance, spot a giant shell. Head toward it.

Giant shell in the distance

Approach the Giant Jaw Clam (it opens its eye when you get close).

Giant Jaw Clam

Go to the sphere between the two shells. On the left side of the sphere’s opening, scan Portable Oxygen Generator 1/2.

Oxygen Generator scan 1/2

Enter the opening. Pick up the metal debris, then scan Portable Oxygen Generator 2/2 underneath. The clam will try to eat you — if you’re fast enough, escape before the shell fully closes.

Oxygen Generator scan 2/2

Return to base. Use the Habitat Builder, open the menu, go to Function to build the Portable Oxygen Generator.

Note: Needs to be carried, requires a battery, can be mounted on the Tadpole.

Crafting the Oxygen Generator Oxygen Generator in menu

Published: 5/16/2026 Updated: 5/17/2026