Games like One Week With The Mafia
Games like One Week With The Mafia include Lethal Company, Firewatch, Outlast, Five Nights at Freddy's: Security Breach, and MiSide. We matched them by the tags players give One Week With The Mafia on Steam (Horror, Funny, 1990's, First-Person, and 3D): closest matches first, and among equally close ones the better-known games.

Lethal Company
Shared: Horror · First-Person · Funny

Firewatch
Shared: Adventure · First-Person · Atmospheric

Outlast
Shared: Horror · First-Person · Singleplayer

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

MiSide
Shared: Horror · First-Person · Singleplayer

Poppy Playtime
Shared: Horror · Singleplayer · First-Person

Amanda the Adventurer
Shared: Horror · First-Person · 1990's

Five Nights at Freddy's
Shared: Horror · Singleplayer · Indie

The Room
Shared: Singleplayer · Horror · Atmospheric

Tattletail
Shared: Horror · First-Person · 1990's

RV There Yet?
Shared: Funny · First-Person · Adventure

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

Little Nightmares
Shared: Horror · Singleplayer · Adventure

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

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

Escape the Backrooms
Shared: Horror · First-Person · 3D

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

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

Buckshot Roulette
Shared: Horror · First-Person · Singleplayer

Ultimate Custom Night
Shared: Horror · Singleplayer · First-Person

Resident Evil 7 Biohazard
Shared: Horror · First-Person · Singleplayer

The Room Two
Shared: Horror · Atmospheric · Point & Click

Baldi's Basics Plus
Shared: Horror · Funny · Indie

Zort
Shared: Horror · Funny · First-Person