Games like fiction.colors
Games like fiction.colors include Firewatch, Slime Rancher, NaissanceE, Journey, and Antichamber. We matched them by the tags players give fiction.colors on Steam (Adventure, Casual, Exploration, Walking Simulator, and Choose Your Own Adventure): closest matches first, and among equally close ones the better-known games.

Firewatch
Shared: Adventure · Walking Simulator · Exploration

Slime Rancher
Shared: Adventure · Exploration · Casual

NaissanceE
Shared: Exploration · Adventure · Walking Simulator

Journey
Shared: Adventure · Exploration · Walking Simulator

Antichamber
Shared: Exploration · Adventure · First-Person

The Witness
Shared: Exploration · Adventure · First-Person

What Remains of Edith Finch
Shared: Walking Simulator · Adventure · Exploration

PEAK
Shared: Adventure · Exploration · 3D

Hypnagogia² 無限の夢 Boundless Dreams
Shared: Adventure · Exploration · Walking Simulator

Way of the Hunter
Shared: Adventure · Exploration · FPS

Road 96
Shared: Adventure · Colorful · First-Person

Moncage
Shared: Casual · Adventure · Exploration

The Exit 8
Shared: Exploration · Walking Simulator · 3D

Road 96: Mile 0
Shared: Exploration · Choose Your Own Adventure · Walking Simulator

The Unfinished Swan
Shared: Adventure · Exploration · Casual

Fallout 4
Shared: Exploration · Adventure · FPS

ABZU
Shared: Exploration · Adventure · Casual

Scanner Sombre
Shared: Exploration · Walking Simulator · Adventure

The Beginner's Guide
Shared: Walking Simulator · Adventure · First-Person

Flower
Shared: Casual · Adventure · Exploration

Riven
Shared: Adventure · Exploration · Walking Simulator

CARIMARA: Beneath the forlorn limbs
Shared: Adventure · Exploration · 3D

RV There Yet?
Shared: Adventure · Exploration · First-Person

Big Walk
Shared: Exploration · Adventure · Casual