IMHO.

Single-player games like Sea of Survivors

Below are 9 single-player Steam games similar to Sea of Survivors, 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 Sea of Survivors page.

Ranked picks

  1. 1
    Spellbook Demonslayers — Steam game cover

    Spellbook Demonslayers

    Single-player alternative to Sea of Survivors — playable solo, no multiplayer required. Shares Action and Indie with Sea of Survivors.

    Slay endless hordes of demons to protect the Cosmic Library! Steal their abilities, find powerful equipment, and unlock the secrets of each spellbook to become unstoppable! Will you be able to destroy the demonic legion?

    2022ActionIndieCasual4.99 USDDeck PlayableSingle-playerSimilar games →
  2. 2
    Death Must Die — Steam game cover

    Death Must Die

    Single-player alternative to Sea of Survivors — playable solo, no multiplayer required. Shares Action and Indie with Sea of Survivors.

    Descend the nether in search of Death himself! Choose from God-given powers to slay his hordes of minions. Unlock new heroes, collect powerful items and create game-breaking synergies in this roguelite hack and slash survivors game.

    2023ActionIndieRPG6.99 USDDeck PlayableSingle-playerSimilar games →
  3. 3
    Renfield: Bring Your Own Blood — Steam game cover

    Renfield: Bring Your Own Blood

    Single-player alternative to Sea of Survivors — playable solo, no multiplayer required. Shares Action and Indie with Sea of Survivors.

    Slash and survive a typical workday as Dracula's overworked and underappreciated servant! You'll have a bloody good time as you rampage through New Orleans to find fresh victims for your narcissistic boss.

    2023ActionIndieCasual4.99 USDDeck VerifiedSingle-playerSimilar games →
  4. 4
    Horde Hunters — Steam game cover

    Horde Hunters

    Single-player alternative to Sea of Survivors — playable solo, no multiplayer required. Shares Action with Sea of Survivors.

    Slay hordes of enemies on thrilling missions to save the humanity from a looming demon onslaught.

    2025Action6.99 USDDeck VerifiedSingle-playerSimilar games →
  5. 5
    Spell Disk — Steam game cover

    Spell Disk

    Single-player alternative to Sea of Survivors — playable solo, no multiplayer required. Shares Action and Indie with Sea of Survivors.

    Build unique synergy spell combos to destroy the hordes of monsters and bosses in this rogue-lite action game.

    2024ActionIndie14.99 USDDeck VerifiedSingle-playerSimilar games →
  6. 6
    NIMRODS — Steam game cover

    NIMRODS

    Single-player alternative to Sea of Survivors — playable solo, no multiplayer required. Shares Action and Indie with Sea of Survivors.

    Assemble a limitless arsenal in this survive-em-up roguelite shooter. As a Gun Manufacturer's testing force, your mission is simple: test the latest gun tech and scavenge alien planets. Collect insane weapon parts to invent crazy guns that slay thousands. You may not survive, but your guns will!

    2024ActionIndieAdventure9.99 USDDeck VerifiedSingle-playerSimilar games →
  7. 7
    Achilles: Survivor — Steam game cover

    Achilles: Survivor

    Single-player alternative to Sea of Survivors — playable solo, no multiplayer required. Shares Action and Adventure with Sea of Survivors.

    Thousands of enemies. One survivor. Fight like a demigod, build deadly defenses, and grow stronger after every run in this fast-paced bullet heaven set in mythic Greece.

    2025ActionAdventure6.99 USDDeck VerifiedSingle-playerSimilar games →
  8. 8
    Halls of Torment — Steam game cover

    Halls of Torment

    Single-player alternative to Sea of Survivors — playable solo, no multiplayer required. Shares Action and Indie with Sea of Survivors.

    Slay hordes of terrifying monsters in this horde survival roguelite. Descend into the Halls of Torment where the Lords of the underworld await you. Treasures, magical trinkets, and a growing cast of heroes will grant you the power to vanquish these horrors from beyond. How long can you survive?

    2024ActionIndieRPG6.66 USDDeck VerifiedSingle-playerSimilar games →
  9. 9
    Vampire Survivors — Steam game cover

    Vampire Survivors

    Single-player alternative to Sea of Survivors — playable solo, no multiplayer required. Shares Action and Indie with Sea of Survivors.

    Mow down thousands of night creatures and survive until dawn! Vampire Survivors is a gothic horror casual game with rogue-lite elements, where your choices can allow you to quickly snowball against the hundreds of monsters that get thrown at you. Be the bullet hell!

    2022ActionIndieRPG4.99 USDDeck VerifiedSingle-playerSimilar games →