Games like Feed The Flames
Games like Feed The Flames include Five Nights at Freddy's: Security Breach, Five Nights at Freddy's: Secret of the Mimic, Lethal Company, Escape the Backrooms, and PILGRIM. We matched them by the tags players give Feed The Flames on Steam (Horror, Exploration, PvE, Action-Adventure, and 3D): closest matches first, and among equally close ones the better-known games.

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

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

Lethal Company
Shared: Horror · First-Person · Exploration

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

PILGRIM
Shared: Horror · Exploration · PvE

Resident Evil Requiem
Shared: Horror · First-Person · Action

KLETKA
Shared: Horror · PvE · First-Person

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

SILENT HILL: Townfall
Shared: Horror · Exploration · First-Person

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

The Forest
Shared: Horror · Exploration · First-Person

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

Buckshot Roulette
Shared: Horror · First-Person · Dark

Poppy Playtime
Shared: Horror · First-Person · Singleplayer

SCP: Containment Breach 2
Shared: Horror · Exploration · First-Person

Choo-Choo Charles
Shared: Horror · First-Person · 3D

PEAK
Shared: Exploration · First-Person · Adventure

Crimson Desert Enhanced
Shared: Exploration · Action · Adventure

Pacify
Shared: Horror · Exploration · First-Person

Outlast
Shared: Horror · First-Person · Singleplayer

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

Zort
Shared: Horror · PvE · First-Person

Assassin's Creed® Odyssey
Shared: Action-Adventure · Exploration · Multiple Endings

A Plague Tale: Requiem
Shared: Action-Adventure · Exploration · Action

