Games like Fortress of Hell
Games like Fortress of Hell include The Witcher 3: Wild Hunt — Remastered, Darkwood, Tainted Grail: The Fall of Avalon, PARANORMASIGHT: The Mermaid's Curse, and The Test. We matched them by the tags players give Fortress of Hell on Steam (RPG, Multiple Endings, Nonlinear, Adventure, and Simulation): closest matches first, and among equally close ones the better-known games.

The Witcher 3: Wild Hunt — Remastered
Shared: RPG · Adventure · Nudity

Darkwood
Shared: Adventure · RPG · Horror

Tainted Grail: The Fall of Avalon
Shared: RPG · Adventure · Exploration

PARANORMASIGHT: The Mermaid's Curse
Shared: RPG · Adventure · Simulation

The Test
Shared: Multiple Endings · Simulation · Choose Your Own Adventure

Look Outside
Shared: RPG · Adventure · Horror

Sultan's Game
Shared: RPG · Simulation · Adventure

鬼谷八荒 Tale of Immortal
Shared: RPG · Simulation · Adventure

Hero's Adventure: Road to Passion
Shared: RPG · Multiple Endings · Adventure

OMORI
Shared: RPG · Multiple Endings · Indie

The Witcher 2: Assassins of Kings Enhanced Edition
Shared: RPG · Adventure · Multiple Endings

Volcano Princess
Shared: Multiple Endings · RPG · Simulation

DAVE THE DIVER
Shared: Adventure · RPG · Exploration

Growing Up
Shared: RPG · Simulation · Multiple Endings

[Chillas Art] Aka Manto
Shared: Gore · Violent · Adventure

OMON Simulator
Shared: RPG · Simulation · Adventure

Baldur's Gate 3
Shared: RPG · Adventure · Nudity

DOKA 2 KISHKI EDITION
Shared: Gore · Violent · RPG

Fear & Hunger 2: Termina
Shared: RPG · Horror · Multiple Endings

Middle-earth: Shadow of War
Shared: RPG · Adventure · Violent

The Test: Hypothesis Rising
Shared: Multiple Endings · Simulation · Horror

Assassin's Creed® Odyssey
Shared: RPG · Multiple Endings · Exploration

Five Nights at Freddy's: Security Breach
Shared: Multiple Endings · Horror · Adventure

The Walking Dead: Saints & Sinners
Shared: Adventure · Gore · RPG