Games like Finding Annie
Games like Finding Annie include Firewatch, What Remains of Edith Finch, The Forest, Five Nights at Freddy's: Security Breach, and Slime Rancher 2. We matched them by the tags players give Finding Annie on Steam (Walking Simulator, Adventure, Female Protagonist, 3D, and First-Person): closest matches first, and among equally close ones the better-known games.

Firewatch
Shared: Adventure · Walking Simulator · First-Person

What Remains of Edith Finch
Shared: Walking Simulator · Adventure · First-Person

The Forest
Shared: Adventure · Horror · Open World

Five Nights at Freddy's: Security Breach
Shared: Horror · First-Person · Singleplayer

Slime Rancher 2
Shared: Adventure · First-Person · Open World

Choo-Choo Charles
Shared: Horror · Open World · First-Person

The Hat Man: Shadow Ward
Shared: Adventure · Horror · First-Person

Layers of Fear (2016)
Shared: Walking Simulator · Horror · First-Person

Slender: The Arrival
Shared: Horror · First-Person · Indie

Slime Rancher
Shared: Adventure · First-Person · Open World

Kona
Shared: Adventure · First-Person · Walking Simulator

The Long Dark
Shared: Open World · Adventure · First-Person

The Beast Inside
Shared: Adventure · Horror · First-Person

Valley
Shared: Adventure · First-Person · Indie

Subnautica
Shared: Horror · Open World · Adventure

Rise of the Tomb Raider™
Shared: Adventure · Female Protagonist · Open World

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

Blair Witch
Shared: Adventure · Horror · First-Person

Escape the Backrooms
Shared: Horror · First-Person · Adventure

Gone Home
Shared: Walking Simulator · First-Person · Indie

MiSide
Shared: First-Person · Horror · 3D

Daylight
Shared: Adventure · Horror · Female Protagonist

VERGE:Lost chapter
Shared: Walking Simulator · Adventure · Horror

Subnautica: Below Zero
Shared: Horror · Open World · Adventure

