Games like RUSA Odyssey
Games like RUSA Odyssey include Firewatch, Outer Wilds, Journey, FAR: Lone Sails, and What Remains of Edith Finch. We matched them by the tags players give RUSA Odyssey on Steam (Adventure, Atmospheric, Exploration, Mystery, and Stylized): closest matches first, and among equally close ones the better-known games.

Firewatch
Shared: Adventure · Atmospheric · Mystery

Outer Wilds
Shared: Exploration · Adventure · Mystery

Journey
Shared: Atmospheric · Adventure · Exploration

FAR: Lone Sails
Shared: Adventure · Atmospheric · Exploration

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

ABZU
Shared: Atmospheric · Exploration · Adventure

Night in the Woods
Shared: Adventure · Atmospheric · Exploration

Brothers - A Tale of Two Sons
Shared: Adventure · Atmospheric · Story Rich

Fallout 4
Shared: Exploration · Adventure · Atmospheric

My Little Puppy
Shared: Adventure · Atmospheric · Emotional

Carto
Shared: Exploration · Adventure · Relaxing

The Last Campfire
Shared: Adventure · Atmospheric · Relaxing

Chants of Sennaar
Shared: Adventure · Atmospheric · Stylized

Flower
Shared: Atmospheric · Adventure · Relaxing

A Short Hike
Shared: Adventure · Exploration · Relaxing

DEATH STRANDING DIRECTOR'S CUT
Shared: Atmospheric · Adventure · Story Rich

Submerged
Shared: Exploration · Relaxing · Adventure

Stray
Shared: Adventure · Atmospheric · Exploration

Blue Prince
Shared: Exploration · Mystery · Adventure

Spirit of the North
Shared: Adventure · Atmospheric · Exploration

The Room
Shared: Atmospheric · Mystery · Adventure

LOST EMBER
Shared: Atmospheric · Exploration · Relaxing

DREDGE
Shared: Exploration · Adventure · Atmospheric

Quern - Undying Thoughts
Shared: Adventure · Atmospheric · Mystery