The Secret World - Outer Wilds Guide - IGN

The Outer Wilds' DLC, Echoes of the Eye contains a near pitch-black Secret World that can be accessed by holding an artifact and interacting with one of

Outer Wilds: Echoes Of The Eye DLC Gameplay Walkthrough - Shrouded Woodlands - IGN

Outer Wilds: Echoes Of The Eye DLC Full Gameplay Walkthrough - IGN

Computer - Official Outer Wilds Wiki

Hidden Gorge - Outer Wilds Guide - IGN

Steam Community :: Guide :: Spoiler-Safe Outer Wilds FAQ

Outer Wilds: Echoes Of The Eye DLC Gameplay Walkthrough - The Secret World

The Secret World - Outer Wilds Guide - IGN

Did they change the layout of the DLC in a patch? : r/outerwilds

Outer Wilds: Echoes of the Eye Hidden Gorge walkthrough - Polygon

The three secret passages - Let's Play Outer Wilds: Echoes of the Eye #23

Hidden Gorge - Outer Wilds Guide - IGN