Games like FERB
Games like FERB include Five Nights at Freddy's: Security Breach, Lethal Company, Poppy Playtime, Outer Wilds, and Bendy and the Ink Machine. We matched them by the tags players give FERB on Steam (Exploration, PvE, First-Person, Stealth, and Horror): closest matches first, and among equally close ones the better-known games.

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

Lethal Company
Shared: First-Person · Horror · Exploration

Poppy Playtime
Shared: Horror · First-Person · Singleplayer

Outer Wilds
Shared: Exploration · Mystery · Puzzle

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

Amnesia: Rebirth
Shared: First-Person · Exploration · Horror

Blue Prince
Shared: Exploration · Mystery · First-Person

The Witness
Shared: Exploration · First-Person · Puzzle

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

Baldi's Basics Classic Remastered
Shared: Stealth · Horror · First-Person

The Exit 8
Shared: Exploration · Horror · First-Person

The Outlast Trials
Shared: Horror · First-Person · PvE

Species: Unknown
Shared: First-Person · Horror · Exploration

Firewatch
Shared: First-Person · Exploration · Mystery

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

The Room 4: Old Sins
Shared: Mystery · Puzzle · Exploration

Pacify
Shared: Horror · Exploration · First-Person

Buckshot Roulette
Shared: First-Person · Horror · Strategy

Subnautica
Shared: Exploration · Horror · First-Person

R.E.P.O.
Shared: Horror · First-Person · Stealth

INFRA
Shared: Exploration · First-Person · Puzzle

Indiana Jones and the Great Circle
Shared: First-Person · Exploration · Stealth

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

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

