Games like Santa Claws
Games like Santa Claws include Five Nights at Freddy's: Security Breach, Firewatch, The Forest, Lethal Company, and Escape the Backrooms. We matched them by the tags players give Santa Claws on Steam (Exploration, Walking Simulator, First-Person, Horror, and Multiple Endings): closest matches first, and among equally close ones the better-known games.

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

Firewatch
Shared: Walking Simulator · First-Person · Exploration

The Forest
Shared: Horror · First-Person · Exploration

Lethal Company
Shared: First-Person · Horror · Exploration

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

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

Outlast
Shared: First-Person · Horror · Singleplayer

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

Amnesia: A Machine For Pigs
Shared: Walking Simulator · Horror · First-Person

Pacify
Shared: Horror · Exploration · First-Person

Still Wakes the Deep
Shared: Horror · First-Person · Walking Simulator

The Stanley Parable
Shared: Walking Simulator · First-Person · Exploration

Five Nights at Freddy's: Secret of the Mimic
Shared: First-Person · Horror · Exploration

Valley
Shared: Exploration · First-Person · Adventure

Slender: The Arrival
Shared: Horror · First-Person · Walking Simulator

Bendy and the Dark Revival
Shared: Horror · First-Person · Action

PEAK
Shared: Exploration · First-Person · Adventure

Poppy Playtime
Shared: Horror · First-Person · Singleplayer

SOMA
Shared: Horror · Exploration · First-Person

Among the Sleep - Enhanced Edition
Shared: Horror · First-Person · Walking Simulator

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

Five Nights at Freddy's: Into the Pit
Shared: Horror · Exploration · Adventure

Scanner Sombre
Shared: Exploration · Walking Simulator · Horror

Phasmophobia
Shared: Horror · First-Person · Co-op

