Games like THE 4 SINS
Games like THE 4 SINS include MiSide, OMORI, Buckshot Roulette, Hello Neighbor, and Inside the Backrooms. We matched them by the tags players give THE 4 SINS on Steam (Horror, Party-Based RPG, Logic, RPG, and Puzzle): closest matches first, and among equally close ones the better-known games.

MiSide
Shared: Horror · Psychological Horror · Story Rich

OMORI
Shared: RPG · Horror · Psychological Horror

Buckshot Roulette
Shared: Horror · Strategy · First-Person

Hello Neighbor
Shared: Horror · 3D Platformer · First-Person

Inside the Backrooms
Shared: Horror · Puzzle · Psychological Horror

Poppy Playtime
Shared: Horror · Puzzle · Psychological Horror

Phasmophobia
Shared: Horror · Psychological Horror · First-Person

Little Nightmares II
Shared: Horror · Puzzle · Psychological Horror

The Exit 8
Shared: Horror · Puzzle · Immersive Sim

Firework
Shared: Horror · Puzzle · Psychological Horror

Sally Face - Episode One
Shared: Horror · Puzzle · Psychological Horror

Bendy and the Ink Machine
Shared: Horror · Puzzle · First-Person

Tales of the Black Forest
Shared: Horror · RPG · Puzzle

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

Inscryption
Shared: Horror · Puzzle · Strategy

Garten of Banban
Shared: Horror · Puzzle · Psychological Horror

Detention
Shared: Horror · Puzzle · Psychological Horror

Darkwood
Shared: Horror · RPG · Psychological Horror

Fran Bow
Shared: Horror · Puzzle · Psychological Horror

Little Nightmares
Shared: Horror · Puzzle · Adventure

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

SOMA
Shared: Horror · Psychological Horror · Story Rich

Murders on the Yangtze River
Shared: Puzzle · Logic · Adventure

The Death | Thần Trùng
Shared: Horror · Puzzle · Psychological Horror