Games like EONIA Revelations
Games like EONIA Revelations include Firewatch, The Witness, Slime Rancher, Fallout 4, and Outer Wilds. We matched them by the tags players give EONIA Revelations on Steam (Adventure, Exploration, Colorful, First-Person, and Atmospheric): closest matches first, and among equally close ones the better-known games.

Firewatch
Shared: Adventure · Atmospheric · First-Person

The Witness
Shared: Exploration · First-Person · Colorful

Slime Rancher
Shared: Exploration · Adventure · First-Person

Fallout 4
Shared: Exploration · Adventure · Open World

Outer Wilds
Shared: Exploration · Adventure · Atmospheric

The Long Dark
Shared: Exploration · Adventure · Atmospheric

Slime Rancher 2
Shared: Colorful · Relaxing · Adventure

ABZU
Shared: Exploration · Atmospheric · Adventure

PEAK
Shared: Adventure · Exploration · First-Person

Eastshade
Shared: Adventure · Exploration · Atmospheric

Fallout: New Vegas
Shared: Exploration · Open World · First-Person

Grand Theft Auto V Legacy
Shared: Open World · Adventure · First-Person

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

Stray
Shared: Adventure · Atmospheric · Exploration

The Forest
Shared: Adventure · Open World · First-Person

No Man's Sky
Shared: Exploration · Open World · Adventure

Big Walk
Shared: Exploration · Adventure · Open World

Road 96
Shared: Colorful · First-Person · Adventure

Valley
Shared: Adventure · Exploration · First-Person

S.T.A.L.K.E.R. 2: Heart of Chornobyl - Standard Edition
Shared: Open World · Atmospheric · Exploration

AER Memories of Old
Shared: Adventure · Exploration · Atmospheric

Rise of the Tomb Raider™
Shared: Adventure · Exploration · Singleplayer

Far Cry® Primal
Shared: Adventure · Open World · First-Person

DREDGE
Shared: Exploration · Adventure · Open World