Games like The OmniGallery
Games like The OmniGallery include ABZU, The Witness, Antichamber, Slime Rancher 2, and Slime Rancher. We matched them by the tags players give The OmniGallery on Steam (Exploration, Relaxing, Surreal, Singleplayer, and Casual): closest matches first, and among equally close ones the better-known games.

ABZU
Shared: Relaxing · Exploration · Singleplayer

The Witness
Shared: Exploration · Singleplayer · First-Person

Antichamber
Shared: Exploration · Surreal · Singleplayer

Slime Rancher 2
Shared: Relaxing · Singleplayer · Colorful

Slime Rancher
Shared: Exploration · Singleplayer · Colorful

Manifold Garden
Shared: Surreal · Exploration · First-Person

POOLS
Shared: Exploration · Singleplayer · Surreal

DAVE THE DIVER
Shared: Relaxing · Exploration · Casual

Flower
Shared: Relaxing · Casual · Exploration

Berry Bury Berry
Shared: Singleplayer · Surreal · First-Person

Monument Valley 3
Shared: Relaxing · Casual · Colorful

Obduction
Shared: Exploration · VR · Surreal

Lushfoil Photography Sim
Shared: Exploration · VR · Relaxing

PowerWash Simulator
Shared: Relaxing · Casual · First-Person

Moncage
Shared: Casual · Singleplayer · Surreal

Riven
Shared: Exploration · Singleplayer · First-Person

Superflight
Shared: Relaxing · Casual · Singleplayer

Samorost 1
Shared: Surreal · Relaxing · Casual

Sizeable
Shared: Casual · Relaxing · Exploration

Crime Scene Cleaner
Shared: Relaxing · Singleplayer · First-Person

A Short Hike
Shared: Exploration · Relaxing · Casual

Firewatch
Shared: Exploration · Singleplayer · Atmospheric

Garten of Banban
Shared: VR · Singleplayer · First-Person