Single-player games like Fortress of Hell
Below are 16 single-player Steam games similar to Fortress of Hell, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Fortress of Hell page.
Ranked picks
- 1
Sin or Suffer
Single-player alternative to Fortress of Hell — playable solo, no multiplayer required. Shares Indie and Adventure with Fortress of Hell.
Sin or Suffer is a brutal mix of survival-horror and JRPG. Locked in a medieval prison, you awake amidst a cold silence. The guards are gone; inmates and madness own the place. Something terrible lurks underground. But the only way to the truth is down.
- 2
Medium Rare
Single-player alternative to Fortress of Hell — playable solo, no multiplayer required. Shares Strategy and Indie with Fortress of Hell.
Eat people and conserve ammo as you hike to the top of a mountain where a human meat factory is about to process your kidnapped wife in this turn based survival dungeon crawler.
- 3
The Unfinished Melody: Prologue
Single-player alternative to Fortress of Hell — playable solo, no multiplayer required. Shares Strategy and Indie with Fortress of Hell.
Some things can never be made whole, and some melodies are never meant to be played. Pursue a lost song, unspoken feelings, and precious memories as you step into a mysterious fantasy world of light, shadow, and dreamlike adventure.
- 4
ThroughHelltoHeaven
Single-player alternative to Fortress of Hell — playable solo, no multiplayer required. Shares Strategy and Indie with Fortress of Hell.
Help Amy survive the Vile Demons in Hell in order to find the Portal and Ascend to Heaven.
- 5
Carnosis
Single-player alternative to Fortress of Hell — playable solo, no multiplayer required. Shares RPG with Fortress of Hell.
Carnosis is a horror dungeon crawler set in a grimdark empire filled with mutated monstrosities and war machines. Sever enemy limbs, steal the flesh of defeated foes, and chain devastating status combos to butcher your way to the emperor.
- 6
The Backrooms Project
Single-player alternative to Fortress of Hell — playable solo, no multiplayer required. Shares Strategy and Indie with Fortress of Hell.
Scientists made a new discovery about the Backrooms. Noclipping out of bounds in normal reality was a myth for long, but now it can be real! Now they are looking for subjects to test it on civil people. There are already scientists inside, so you have nothing to worry about, they say. Or do you?
- 7
The Count Lucanor
Single-player alternative to Fortress of Hell — playable solo, no multiplayer required. Shares Indie and Adventure with Fortress of Hell.
Pixel adventure inspired by classics like Zelda and Silent Hill.
- 8
The Jewel of Monostructure
Single-player alternative to Fortress of Hell — playable solo, no multiplayer required. Shares Indie and Adventure with Fortress of Hell.
Sanator: The Jewel of Monostructure is a dark fantasy visual novel that combines deep lore with exciting adventures. Who is behind the mysterious thefts and why are the gates of the Monostructure open again? Take control of Richard Murdock, the plague doctor, and find the answer.
- 9
3 Stars of Destiny
Single-player alternative to Fortress of Hell — playable solo, no multiplayer required. Shares Indie and Adventure with Fortress of Hell.
In this extensive old-school RPG, explore countless unique places, defeat tons of enemies and complete richly developed quests. The game features addictive gameplay and an adventure worth about 40H of playtime.
- 10
Millennium - A New Hope
Single-player alternative to Fortress of Hell — playable solo, no multiplayer required. Shares Indie and Adventure with Fortress of Hell.
Traverse through rich, detailed environments, recruit colorful characters and fight your way through dangerous hordes of enemies in this exciting old-school RPG incorporating 40 quests, 26 secret rooms, 8 animal kings and countless secrets and items to discover.
- 11
The Book of Legends
Single-player alternative to Fortress of Hell — playable solo, no multiplayer required. Shares Indie and Adventure with Fortress of Hell.
Huge RPG in the 16-bit style (Final Fantasy, Breath of Fire etc.), featuring an epic, exciting adventure in a fantasy world and packed full of characters (more than 30!), quests and secrets.
- 12
Girlfriend Rescue
Single-player alternative to Fortress of Hell — playable solo, no multiplayer required. Shares Strategy and Indie with Fortress of Hell.
Girlfriend Rescue is a thrilling adventure where the gameplay of "Dragon Quest" meets the atmosphere of "Streets of Rage". Innovative, mixing rogue-style RPG and Beat'em Up atmosphere in a unique way, this game features a great deal of strategy through a mix of character selection & creative skills.
- 13
Undefeated
Single-player alternative to Fortress of Hell — playable solo, no multiplayer required. Shares Strategy and Indie with Fortress of Hell.
16-bit RPG magic is back! Can you stop the Wastelands from spreading and overtaking the world? Play as Marcus, Bastien and Fela, 3 army conscripts with little liking for their new life, yet who find themselves engulfed in a mystery that could very well cause the demise of their nation.
- 14
Dreamscape
Single-player alternative to Fortress of Hell — playable solo, no multiplayer required. Shares Strategy and Indie with Fortress of Hell.
Addictive RPG with bits of strategy to enhance the gameplay, Dreamscape can be played in 4 different modes and features different rewards for completing them. You even get bonus heroes if you complete a mode without using the healing goddess!
- 15
Millennium 2 - Take Me Higher
Single-player alternative to Fortress of Hell — playable solo, no multiplayer required. Shares Indie and Adventure with Fortress of Hell.
Can Marine, Benoit, Karine and her friends find 12 warriors to confront the 13 dreaded Lords of Mystrock? Will Jeanne the magical fairy still support them and unleash her devastating spells on the foes? Play Millennium 2, live the tale and find out!
- 16
Millennium 3 - Cry Wolf
Single-player alternative to Fortress of Hell — playable solo, no multiplayer required. Shares Indie and Adventure with Fortress of Hell.
Time is running out for Marine and her friends. She needs to find warriors at all costs, but all she seems to stumble into is a mermaid, a werewolf, a dragon and hordes of crazy orcs... can you get her out of trouble, in one of the best episodes of the award-winning Millennium series?