Games like pleXus VR
Games like pleXus VR include Outer Wilds, Blue Prince, The House of Da Vinci, The Room, and The Room 4: Old Sins. We matched them by the tags players give pleXus VR on Steam (Adventure, Puzzle, Mystery, Exploration, and Experimental): closest matches first, and among equally close ones the better-known games.

Outer Wilds
Shared: Adventure · Exploration · Mystery

Blue Prince
Shared: Puzzle · Mystery · Exploration

The House of Da Vinci
Shared: Puzzle · Mystery · Adventure

The Room
Shared: Puzzle · Mystery · Adventure

The Room 4: Old Sins
Shared: Puzzle · Adventure · Mystery

Murders on the Yangtze River
Shared: Puzzle · Adventure · Mystery

Obduction
Shared: Adventure · Puzzle · Exploration

Riven
Shared: Adventure · Puzzle · Exploration

The Room Two
Shared: Puzzle · Mystery · Adventure

The Room VR: A Dark Matter
Shared: Adventure · Puzzle · VR

The Room Three
Shared: Puzzle · Adventure · Mystery

Quern - Undying Thoughts
Shared: Adventure · Puzzle · Mystery

Strange Horticulture
Shared: Puzzle · Mystery · Adventure

Stray
Shared: Adventure · Atmospheric · Exploration

Firewatch
Shared: Adventure · Mystery · Atmospheric

What Remains of Edith Finch
Shared: Mystery · Adventure · Atmospheric

The Forgotten City
Shared: Adventure · Mystery · Exploration

The Painscreek Killings
Shared: Mystery · Puzzle · Exploration

The Witness
Shared: Puzzle · Exploration · Adventure

The Talos Principle
Shared: Puzzle · Atmospheric · Adventure

Chants of Sennaar
Shared: Adventure · Puzzle · Atmospheric

The House of Da Vinci 3
Shared: Puzzle · Mystery · Adventure

Twelve Minutes
Shared: Adventure · Puzzle · Mystery

Call of the Sea
Shared: Adventure · Puzzle · Mystery