Single-player games like Aquaria
Below are 16 single-player Steam games similar to Aquaria, 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 Aquaria page.
Ranked picks
- 1

ABZU
Single-player alternative to Aquaria — playable solo, no multiplayer required. Shares Indie with Aquaria.
From the art director of Journey®, ABZÛ is a beautiful underwater adventure that evokes the dream of diving. Immerse yourself in a vibrant hidden world bursting with color and life as you descend into the heart of the ocean. But beware as you swim deeper as dangers lurk in the depths.
- 2

In Other Waters
Single-player alternative to Aquaria — playable solo, no multiplayer required. Shares Indie with Aquaria.
Play as an Artificial Intelligence guiding a stranded xenobiologist through a beautiful and mysterious alien ocean. A non-violent sci-fi story, enter a world of wonder, fear and vulnerability, unraveling the history and ecology of an impossible planet. What will you discover together?
- 3

AlterMage
Single-player alternative to Aquaria — playable solo, no multiplayer required. Shares Indie with Aquaria.
AlterMage is an immersive first-person spell slinging adventure that combines metroidvania world design and abilities with RPG elements.
- 4

Lola's Familiars: Prison of Argnoh
Single-player alternative to Aquaria — playable solo, no multiplayer required. Shares Indie with Aquaria.
Escape a demonic underworld prison in this stunning anime inspired lite-vania adventure. Explore mysterious magical realms, forge pacts with powerful Familiar bosses, uncover dark secrets, and guide Lola through an emotional journey of growth in a haunting dark fantasy world.
- 5

Hollow Knight: Silksong
Single-player alternative to Aquaria — playable solo, no multiplayer required. Shares Indie with Aquaria.
Discover a vast, haunted kingdom in Hollow Knight: Silksong! Explore, fight and survive as you ascend to the peak of a land ruled by silk and song.
- 6

Song of the Deep
Single-player alternative to Aquaria — playable solo, no multiplayer required.
From the creators of Ratchet & Clank, Song of the Deep is a metroidvania-style action-adventure game following a young girl’s quest into the unknown to find her missing father. It combines underwater discovery, skill, and suspense with a powerful story.
- 7

Secrets of Rætikon
Single-player alternative to Aquaria — playable solo, no multiplayer required. Shares Indie with Aquaria.
Ruthless bird versus bird action. Wild animals and the artefacts of a mysterious ancient culture. A game full of challenge and discovery – unlike anything you've played before.
- 8

Noreya: The Gold Project
Single-player alternative to Aquaria — playable solo, no multiplayer required. Shares Indie with Aquaria.
Venture into a frenetic metroidvania and take part in a fight between divinities where you will have to choose between Corrupting Gold and Purifying Light to achieve your ends.
- 9

Undertale
Single-player alternative to Aquaria — playable solo, no multiplayer required. Shares Indie with Aquaria.
UNDERTALE! The RPG game where you don't have to destroy anyone.
- 10

Stardew Valley
Single-player alternative to Aquaria — playable solo, no multiplayer required. Shares Indie with Aquaria.
You've inherited your grandfather's old farm plot in Stardew Valley. Armed with hand-me-down tools and a few coins, you set out to begin your new life. Can you learn to live off the land and turn these overgrown fields into a thriving home?
- 11

Super Meat Boy
Single-player alternative to Aquaria — playable solo, no multiplayer required. Shares Indie with Aquaria.
The infamous, tough-as-nails platformer comes to Steam with a playable Head Crab character (Steam-exclusive)!
- 12

Terraria
Single-player alternative to Aquaria — playable solo, no multiplayer required. Shares Indie with Aquaria.
Dig, fight, explore, build! Nothing is impossible in this action-packed adventure game. Four Pack also available!
- 13

Braid
Single-player alternative to Aquaria — playable solo, no multiplayer required. Shares Indie with Aquaria.
This is the original version of Braid from 2009, which may not work well on newer systems. For an updated version of the game with nicer graphics, more levels and a large amount of developer commentary, see Braid, Anniversary Edition.
- 14

Metroidvania Maker
Single-player alternative to Aquaria — playable solo, no multiplayer required. Shares Indie with Aquaria.
Create, play, and share custom Metroidvania worlds with a built-in world editor, co-op play, and player-made adventures.
- 15

Subnautica
Single-player alternative to Aquaria — playable solo, no multiplayer required. Shares Indie with Aquaria.
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.
- 16

SOMA
Single-player alternative to Aquaria — playable solo, no multiplayer required. Shares Indie with Aquaria.
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.