Games like The Soul's Choice
Games like The Soul's Choice include Poppy Playtime, Little Nightmares II, Outlast, Escape the Backrooms, and Little Nightmares. We matched them by the tags players give The Soul's Choice on Steam (Horror, Surreal, Mystery, Souls-like, and Dark): closest matches first, and among equally close ones the better-known games.

Poppy Playtime
Shared: Horror · Dark · Mystery

Little Nightmares II
Shared: Horror · Adventure · Dark

Outlast
Shared: Horror · Dark · Survival Horror

Escape the Backrooms
Shared: Horror · Multiplayer · Adventure

Little Nightmares
Shared: Horror · Adventure · Dark

The Outlast Trials
Shared: Horror · Multiplayer · Stealth

Five Nights at Freddy's: Security Breach
Shared: Horror · Singleplayer · Stealth

Bendy and the Dark Revival
Shared: Horror · Adventure · Singleplayer

Amnesia: Rebirth
Shared: Horror · Action-Adventure · Adventure

Inside the Backrooms
Shared: Horror · Multiplayer · Adventure

Visage
Shared: Horror · Dark · Multiplayer

Buckshot Roulette
Shared: Horror · Dark · Multiplayer

The Mortuary Assistant
Shared: Horror · Mystery · Surreal

Bendy and the Ink Machine
Shared: Horror · Dark · Mystery

DARQ: Complete Edition
Shared: Horror · Dark · Adventure

Resident Evil Requiem
Shared: Horror · Survival Horror · Action

Pacify
Shared: Horror · Multiplayer · Dark

REMNANT II®
Shared: Souls-like · Adventure · Dark

Resident Evil 4
Shared: Horror · Action · Dark

Ready or Not
Shared: Horror · Multiplayer · Singleplayer

Tomb Raider Game of the Year
Shared: Adventure · Action · Singleplayer

Demonologist
Shared: Horror · Multiplayer · Dark

Darkwood
Shared: Horror · Adventure · Dark

Slender: The Arrival
Shared: Horror · Dark · Multiplayer