Single-player games like Under The Waves
Below are 12 single-player Steam games similar to Under The Waves, 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 Under The Waves page.
Ranked picks
- 1
Europa One
Single-player alternative to Under The Waves — playable solo, no multiplayer required. Shares Indie and Adventure with Under The Waves.
Explore the ice-encrusted ocean of Jupiter's moon Europa.
- 2
Mermaid Tale
Single-player alternative to Under The Waves — playable solo, no multiplayer required. Shares Adventure with Under The Waves.
Kaya wants to help her friend with her task. Only she can open secret passages for souls trapped in deep waters. But spirits from the dark depths are trying to stop the mermaids. Prepare an ancient magical ceremony with other mermaids in this little exploration game.
- 3
Sonorous | Deep Down Below
Single-player alternative to Under The Waves — playable solo, no multiplayer required. Shares Indie and Adventure with Under The Waves.
SONOROUS – Deep Down Below is an unforgiving underwater first-person survival game set in a dystopian world. Find your sunken research to save humanity from an eternal life on the open sea in a continuous fight for survival.
- 4
Fort Solis
Single-player alternative to Under The Waves — playable solo, no multiplayer required. Shares Adventure with Under The Waves.
Answer the call from a mining base on Mars as engineer Jack Leary and search for the missing crew. Fort Solis will immerse you with cinematic visuals powered by UE 5 and voice acting of Roger Clark and Troy Baker. Explore the mining complex and reach climax of this narrative thriller experience.
- 5
I Thalassa
Single-player alternative to Under The Waves — playable solo, no multiplayer required. Shares Adventure with Under The Waves.
Immerse yourself in an alien ocean in this open-world survival game. Explore the biomechanical depths, tame alien creatures, pilot submarines, and uncover the mysteries of the alien entity known as Thalassa.
- 6
Insiders
Single-player alternative to Under The Waves — playable solo, no multiplayer required. Shares Indie and Adventure with Under The Waves.
Welcome to the dangerous micro world hidden inside the human body. Pilot an advanced microship through the bloodstream, brain and kidneys. Mine resources, fight microbes, craft ship modules and weapons, build bases, discover new microorganisms and find a cure for cancer. Don’t get eaten!
- 7
Biolum
Single-player alternative to Under The Waves — playable solo, no multiplayer required. Shares Indie and Adventure with Under The Waves.
Biolum is a 30min VR sci-fi narrative experience. Dive to uncharted depths of the ocean and discover a beautiful world of bioluminescent creatures. But all is not what it seems. What lies beneath the surface?
- 8
Just a To the Moon Series Beach Episode
Single-player alternative to Under The Waves — playable solo, no multiplayer required. Shares Indie and Adventure with Under The Waves.
The Beach Episode™ of To the Moon, Finding Paradise, and Impostor Factory. But something's off.
- 9
Subnautica
Single-player alternative to Under The Waves — playable solo, no multiplayer required. Shares Indie and Adventure with Under The Waves.
Descend into the depths of an alien underwater world filled with wonder and peril. Craft equipment, pilot submarines and out-smart wildlife to explore lush coral reefs, volcanoes, cave systems, and more - all while trying to survive.
- 10
The Abyss
Single-player alternative to Under The Waves — playable solo, no multiplayer required. Shares Indie with Under The Waves.
"The Abyss" is a first-person survival horror. After an accident, explore a dark world filled with horrors, puzzles, and secrets that challenge your sanity. Will you escape the Abyss or succumb?
- 11
Dark Days
Single-player alternative to Under The Waves — playable solo, no multiplayer required. Shares Indie and Adventure with Under The Waves.
A Supernatural Thriller from the indie creators of "White Night" and “Under The Waves” now remastered for PC gamers.
- 12
EQQO
Single-player alternative to Under The Waves — playable solo, no multiplayer required. Shares Indie and Adventure with Under The Waves.
Inspired by ancient Ethiopian legends, Eqqo is a poetic narrative puzzle game, an initiatory adventure, and a love song to nature.