IMHO.

Single-player games like Aquarift

Below are 8 single-player Steam games similar to Aquarift, 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 Aquarift page.

Ranked picks

  1. 1
    NAUTUS — Steam game cover

    NAUTUS

    Single-player alternative to Aquarift — playable solo, no multiplayer required. Shares Indie and Adventure with Aquarift.

    From the creators of Have a Nice Death comes a charmingly quirky island adventure with 4-player co-op! From above, catch your breath in a cozy sanctuary and befriend quirky locals. From below, take the helm of an upgradable submarine, fight mutant creatures, and craft vital gear. Explore NAUTUS!

    ActionIndieAdventureSingle-playerSimilar games →
  2. 2
    Windpunk — Steam game cover

    Windpunk

    Single-player alternative to Aquarift — playable solo, no multiplayer required. Shares Indie and Adventure with Aquarift.

    A cozy survival craft adventure. Build a walking fortress to survive the winds of a fallen world. ♻️ Recycle ⛏️ Refine, 🔧 Rebuild, and ⛺ survive the shifting biomes. Ride the wind, heal the land, and recruit quirky survivors to help rebuild the future. (Previosly known as Wasteland Waste Disposal)

    ActionIndieAdventureSingle-playerSimilar games →
  3. 3
    Sonorous | Deep Down Below — Steam game cover

    Sonorous | Deep Down Below

    Single-player alternative to Aquarift — playable solo, no multiplayer required. Shares Indie and Adventure with Aquarift.

    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.

    ActionIndieAdventureSingle-playerSimilar games →
  4. 4
    Subnautica — Steam game cover

    Subnautica

    Single-player alternative to Aquarift — playable solo, no multiplayer required. Shares Indie and Adventure with Aquarift.

    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.

    2018IndieAdventure29.99 USDDeck VerifiedSingle-playerSimilar games →
  5. 5
    Subnautica: Below Zero — Steam game cover

    Subnautica: Below Zero

    Single-player alternative to Aquarift — playable solo, no multiplayer required. Shares Indie and Adventure with Aquarift.

    Dive into a freezing underwater adventure on an alien planet. Below Zero is set two years after the original Subnautica. Return to Planet 4546B to uncover the truth behind a deadly cover-up. Survive by building habitats, crafting tools, & diving deeper into the world of Subnautica.

    2021IndieAdventure29.99 USDDeck VerifiedSingle-playerSimilar games →
  6. 6
    Diluvion: Resubmerged — Steam game cover

    Diluvion: Resubmerged

    Single-player alternative to Aquarift — playable solo, no multiplayer required. Shares Indie and Adventure with Aquarift.

    Diluvion is a 3D deep sea, Jules Verne inspired, exploration game with RPG elements and thrilling submarine combat. As the Captain of your own vessel, you must grow and manage your crew as you search for the secrets of the past in a hauntingly beautiful flooded world.

    2017ActionIndieAdventure19.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    Terraria — Steam game cover

    Terraria

    Single-player alternative to Aquarift — playable solo, no multiplayer required. Shares Indie and Adventure with Aquarift.

    Dig, fight, explore, build! Nothing is impossible in this action-packed adventure game. Four Pack also available!

    2011ActionIndieAdventure9.99 USDDeck VerifiedSingle-playerSimilar games →
  8. 8
    Valheim — Steam game cover

    Valheim

    Single-player alternative to Aquarift — playable solo, no multiplayer required. Shares Indie and Adventure with Aquarift.

    A collaborative exploration and survival game for 1-10 players, set in a procedurally generated afterlife inspired by Viking culture. Battle, build, and conquer your way to a saga worthy of Odin’s patronage!

    2026ActionIndieAdventure29.99 USDDeck VerifiedSingle-playerSimilar games →