Single-player games like Underwater
Below are 15 single-player Steam games similar to Underwater, 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 Underwater page.
Ranked picks
- 1

SOMA
Single-player alternative to Underwater — playable solo, no multiplayer required. Shares Action and Indie with Underwater.
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.
- 2

The Land of Pain
Single-player alternative to Underwater — playable solo, no multiplayer required. Shares Indie and Adventure with Underwater.
Something strange appears in the woods. Lost in a dark and unknown place, survive an unrelenting enemy, solve puzzles, and uncover the ancient mystery that’s befallen this land in this Lovecraftian Cosmic Horror adventure.
- 3

Amnesia: A Machine for Pigs
Single-player alternative to Underwater — playable solo, no multiplayer required. Shares Action and Indie with Underwater.
From the creators of Amnesia: The Dark Descent and Dear Esther comes a new first-person horrorgame that will drag you to the depths of greed, power and madness. It will bury its snout into your ribs and it will eat your heart.
- 4

Transient: Extended Edition
Single-player alternative to Underwater — playable solo, no multiplayer required. Shares Indie and Adventure with Underwater.
H.P. Lovecraft meets Cyberpunk. Delve deep into a dystopian world and investigate what is happening to you and your friends in a domed city. Solve puzzles, hack systems and plug in to explore other dimensions. Discover a truth that might tear apart your sanity and question your very existence.
- 5

Amnesia: The Dark Descent
Single-player alternative to Underwater — playable solo, no multiplayer required. Shares Action and Indie with Underwater.
Amnesia: The Dark Descent, a first person survival horror. A game about immersion, discovery and living through a nightmare. An experience that will chill you to the core.
- 6

Among the Sleep - Enhanced Edition
Single-player alternative to Underwater — playable solo, no multiplayer required. Shares Action and Indie with Underwater.
Among the Sleep: Enhanced Edition is a new and improved version of the award winning first person horror adventure. In the game you play as a small child trapped in a weird nightmare where you go looking for your mom.
- 7

The Alien Cube
Single-player alternative to Underwater — playable solo, no multiplayer required. Shares Indie and Adventure with Underwater.
A cursed legacy awakens something ancient, revealing a terrifying reality never meant for human eyes. Follow your missing uncle’s trail, uncover forbidden secrets, and face a Lovecraftian cosmic horror in this first‑person adventure.
- 8

Dead of Darkness
Single-player alternative to Underwater — playable solo, no multiplayer required. Shares Action and Indie with Underwater.
Dead of Darkness is a 2D survival-horror action-adventure. Investigate a mysterious island and unravel its disturbing secret. You’ll have to face grotesque creatures, hurdle deadly traps, solve puzzles, and most importantly, survive.
- 9

! Wild Russia !
Single-player alternative to Underwater — playable solo, no multiplayer required. Shares Action and Adventure with Underwater.
«Wild Russia» is an open-world horror adventure game. Its action takes place in a striking provincial Russia, and any of your actions or inaction can lead to serious consequences.
- 10

IDIOT
Single-player alternative to Underwater — playable solo, no multiplayer required. Shares Indie and Adventure with Underwater.
Utopian island. Calm and happy life. Food is synthesized from cartridges. The night comes at your will. And you don't care about life outside the island. You know exactly what is bad there - this is what the state said, and it is always right.
- 11

Aquarelle
Single-player alternative to Underwater — playable solo, no multiplayer required. Shares Indie and Adventure with Underwater.
Aquarelle is a surreal adventure with parkour elements, where you have to find a way out of the virtual space into which its creator D-504 fell.
- 12

Cat Go! Ultimate Challenge
Single-player alternative to Underwater — playable solo, no multiplayer required. Shares Indie and Adventure with Underwater.
Help a cute kitten to save Barsikgrad from unkind looter cats and restore peace in a cozy town.
- 13

Ragdoll: Fall Simulator
Single-player alternative to Underwater — playable solo, no multiplayer required. Shares Indie with Underwater.
In this game, you can launch your character anywhere, watching as his limbs dangle and hit all the obstacles.
- 14

Motherland
Single-player alternative to Underwater — playable solo, no multiplayer required. Shares Indie with Underwater.
Motherland (A sad fairytale for adults) is an indie-game that allows you to immerse in the atmosphere of a provincial town during the epidemic.
- 15

Warehouse Simulator: Forklift Driver
Single-player alternative to Underwater — playable solo, no multiplayer required.
Manage specialized equipment used in warehouses and become a professional in your field. And the well-developed mechanics of the movement of specialized warehouse equipment allows you to experience the sensations of working in a warehouse without leaving your computer.