Single-player games like Iron Lung
Below are 24 single-player Steam games similar to Iron Lung, 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 Iron Lung page.
Ranked picks
- 1
Submergent
Single-player alternative to Iron Lung — playable solo, no multiplayer required. Shares Adventure and Simulation with Iron Lung.
Explore and navigate an underwater cave in your submarine.
- 2
7821 Akuji
Single-player alternative to Iron Lung — playable solo, no multiplayer required. Shares Indie and Adventure with Iron Lung.
7821 Akuji is a first person liminal horror experience. Pilot a tiny, jury-rigged submersible to rescue a lost science crew.
- 3
Ocean Pressure
Single-player alternative to Iron Lung — playable solo, no multiplayer required. Shares Indie and Adventure with Iron Lung.
Ocean Pressure is a singleplayer game where you as an old scientist piloting your handmade submarine in the bottom of the ocean. Your mission is explore the ocean and collect required data with help of your submarine.
- 4
It Sleeps Below the Haar
Single-player alternative to Iron Lung — playable solo, no multiplayer required. Shares Indie and Adventure with Iron Lung.
A short exploration game, set in a secluded coastal village in North East Scotland. Explore Kellas Bay and it's surrounding forests, caves and ocean to uncover what lies beneath the fog-covered village.
- 5
Cold Abyss
Single-player alternative to Iron Lung — playable solo, no multiplayer required. Shares Indie and Adventure with Iron Lung.
COLD ABYSS is a relaxing and atmospheric exploration game where you repair internet cables on the bottom of the ocean. There are no enemies or other forms of danger down there. Just you.
- 6
Sonar Scout
Single-player alternative to Iron Lung — playable solo, no multiplayer required. Shares Indie and Adventure with Iron Lung.
Pilot your submarine to activate and reestablish a network of beacons while carefully utilizing your sonar to navigate the low-visibility depths of the ocean.
- 7
Transcendence in the Poolrooms
Single-player alternative to Iron Lung — playable solo, no multiplayer required. Shares Adventure with Iron Lung.
Transcendence in the Poolrooms is an adventure game where you will experience infinite relaxation. Fall into another world where you will explore haunting places beyond reality, a liminal space unlike any you have ever been to and may never escape.
- 8
The Liminal Dimension
Single-player alternative to Iron Lung — playable solo, no multiplayer required. Shares Indie and Adventure with Iron Lung.
You're trapped in an endless loop within a liminal dimension, where each loop leads to increasingly unsettling places. Will you find the way out of this psychological horror? The game offers a unique déjà vu experience that blurs the lines between reality and illusion.
- 9
SOMA
Single-player alternative to Iron Lung — playable solo, no multiplayer required. Shares Indie and Adventure with Iron Lung.
From the creators of Amnesia: The Dark Descent comes SOMA, a sci-fi horror game set below the waves of the Atlantic ocean. Struggle to survive a hostile world that will make you question your very existence.
- 10
Barotrauma
Single-player alternative to Iron Lung — playable solo, no multiplayer required. Shares Indie and Simulation with Iron Lung.
Barotrauma is a 2D co-op submarine simulator – in space, with survival horror and RPG elements. Steer your submarine, complete missions, fight monsters, fix leaks, operate machinery, man the guns and craft items, and stay alert: danger in Barotrauma doesn’t announce itself!
- 11
Nauticrawl
Single-player alternative to Iron Lung — playable solo, no multiplayer required. Shares Indie and Simulation with Iron Lung.
A stolen, enigmatic machine is your only way out. It's likely to kill you, but so will the hostile planet you're escaping. Pull levers, hack devices, and puzzle out how to pilot the Nauticrawl to freedom in this unusual atmospheric adventure... or die trying.
- 12
Silent Hunter® III
Single-player alternative to Iron Lung — playable solo, no multiplayer required. Shares Simulation with Iron Lung.
The king of submarine simulations returns with an all-new 3D engine, new crew command features, and more realistic WWII naval action than ever before. The movie-like graphics and simple, tension-filled gameplay make this the perfect game for the realism fanatic and the casual gamer.
- 13
DEATH STRANDING
Single-player alternative to Iron Lung — playable solo, no multiplayer required. Shares Adventure with Iron Lung.
From legendary game creator Hideo Kojima comes an all-new, genre-defying experience. Sam Bridges must brave a world utterly transformed by the Death Stranding. Carrying the disconnected remnants of our future in his hands, he embarks on a journey to reconnect the shattered world one step at a time.
- 14
SIGNALIS
Single-player alternative to Iron Lung — playable solo, no multiplayer required. Shares Indie and Adventure with Iron Lung.
A classic survival horror experience set in a dystopian future where humanity has uncovered a dark secret. Unravel a cosmic mystery, escape terrifying creatures, and scavenge an off-world government facility as Elster, a technician Replika searching for her lost dreams.
- 15
SUBMERSIBLE
Single-player alternative to Iron Lung — playable solo, no multiplayer required. Shares Indie and Adventure with Iron Lung.
1st person, Singleplayer, Ocean exploration, Horror game
- 16
Prey
Single-player alternative to Iron Lung — playable solo, no multiplayer required. Shares Adventure with Iron Lung.
In Prey, you awaken aboard Talos I, a space station orbiting the moon in the year 2032. You are the key subject of an experiment meant to alter humanity forever – but things have gone terribly wrong. The space station has been overrun by hostile aliens and you are now being hunted.
- 17
DUSK
Single-player alternative to Iron Lung — playable solo, no multiplayer required. Shares Indie with Iron Lung.
Battle through an onslaught of mystical backwater cultists, possessed militants & even darker forces as you attempt to discover just what lurks beneath the Earth in this retro FPS inspired by the '90s legends.
- 18
Gloomwood
Single-player alternative to Iron Lung — playable solo, no multiplayer required. Shares Indie with Iron Lung.
Trapped in a dark, Victorian city consumed by an ancient curse, you must plan your survival and daring escape using nothing but stealth, an arsenal of eccentric weapons, and your wit in this haunting adventure inspired by the immersive sims and survival horror greats of the late 90s and early 2000s.
- 19
Chop Goblins
Single-player alternative to Iron Lung — playable solo, no multiplayer required. Shares Indie with Iron Lung.
A fast-paced micro FPS in which The Chop Goblins are loose, chopping their way through time itself in their ravenous quest for cheese. And THE CHOP WILL NOT STOP.
- 20
Squirrel Stapler
Single-player alternative to Iron Lung — playable solo, no multiplayer required.
Hunt squirrels, staple them to a corpse, and meet god.
- 21
Butcher's Creek
Single-player alternative to Iron Lung — playable solo, no multiplayer required.
A first person melee horror game where you use rusty tools to brutalize a gang of serial torturers in the remote Appalachian Forest.
- 22
The Moon Sliver
Single-player alternative to Iron Lung — playable solo, no multiplayer required. Shares Adventure with Iron Lung.
You are on a bleak, cold, windy island. And you seem to be alone... but fires and candles still burn. As you explore, a story of guilt, loneliness, and faith begins to take shape. And it becomes obvious that something is hunting you...
- 23
The Pony Factory
Single-player alternative to Iron Lung — playable solo, no multiplayer required.
Winston thought he could use heavy machinery and power from the depths of hell to transform sinful men into magic ponies. Winston was wrong.
- 24
Dread X Collection 2
Single-player alternative to Iron Lung — playable solo, no multiplayer required. Shares Indie and Adventure with Iron Lung.
Explore 12 horror games made in 10 days connected by a meta narrative experience you didn't expect. Step into a world of darkness and discover the secrets you didn't know were right beneath the surface. Find the tapes and unlock the mystery inside the Dread X Collection 2.