Games like The horrible inside
Games like The horrible inside include Firewatch, Outer Wilds, Stray, Rental, and Little Nightmares. We matched them by the tags players give The horrible inside on Steam (Adventure, Horror, Arcade, Exploration, and 3D): closest matches first, and among equally close ones the better-known games.

Firewatch
Shared: Adventure · Atmospheric · Exploration

Outer Wilds
Shared: Exploration · Adventure · Mystery

Stray
Shared: Adventure · Atmospheric · Exploration

Rental
Shared: Horror · Exploration · Adventure

Little Nightmares
Shared: Horror · Adventure · Atmospheric

Little Nightmares II
Shared: Adventure · Horror · Atmospheric

Amenti
Shared: Adventure · Horror · Exploration

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

SOMA
Shared: Horror · Atmospheric · Exploration

DREDGE
Shared: Exploration · Adventure · Atmospheric

Bramble: The Mountain King
Shared: Adventure · Horror · Atmospheric

Poppy Playtime
Shared: Horror · Singleplayer · Dark

Darkwood
Shared: Horror · Adventure · Dark

Bad Parenting 1: Mr. Red Face
Shared: Adventure · Horror · 3D

CARIMARA: Beneath the forlorn limbs
Shared: Adventure · Exploration · Horror

Five Nights at Freddy's: Security Breach
Shared: Horror · Exploration · Adventure

Inside the Backrooms
Shared: Horror · Adventure · Exploration

Subnautica
Shared: Horror · Exploration · Adventure

REANIMAL
Shared: Horror · Adventure · Atmospheric

The Forest
Shared: Horror · Adventure · Exploration

Five Nights at Freddy's: Secret of the Mimic
Shared: Horror · Adventure · Exploration

PEAK
Shared: Adventure · Exploration · 3D

A Game About Digging A Hole
Shared: Exploration · Horror · Adventure

Outlast
Shared: Horror · Atmospheric · Adventure