IMHO.

Single-player games like Tartapolis

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

Ranked picks

  1. 1
    Deepening Fire — Steam game cover

    Deepening Fire

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

    Deepening Fire is a side-scrolling action adventure game. Choose different classes, with appropriate equipment, explore hidden complex map, defeat powerful enemies, expose the conspiracy of the chaotic world, experience the souls-like battle

    2023ActionIndieAdventure2.39 USDDeck PlayableSingle-playerSimilar games →
  2. 2
    Aeterna Noctis — Steam game cover

    Aeterna Noctis

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

    Aeterna Noctis is a challenging metroidvania that majestically combines action, exploration and adventure. With 2 game modes and difficulty based on action or the exclusive Noctis mode where a level of difficulty is added in precision platforming never seen in the metroidvania genre.

    2021ActionIndieAdventure29.99 USDDeck VerifiedSingle-playerSimilar games →
  3. 3
    GRIME — Steam game cover

    GRIME

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

    Destroy... Absorb... Grow... GRIME is a fast and unforgiving Action-Adventure RPG in which you crush your foes with living weapons that mutate form and function, and then consume their remains with a black hole to strengthen your vessel as you break apart a world of anatomical horror and intrigue.

    2021ActionIndieRPG24.99 USDDeck VerifiedSingle-playerSimilar games →
  4. 4
    Hollow Knight — Steam game cover

    Hollow Knight

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

    Forge your own path in Hollow Knight! An epic action adventure through a vast ruined kingdom of insects and heroes. Explore twisting caverns, battle tainted creatures and befriend bizarre bugs, all in a classic, hand-drawn 2D style.

    2017ActionIndieAdventure14.99 USDDeck VerifiedSingle-playerSimilar games →
  5. 5
    MIO: Memories in Orbit — Steam game cover

    MIO: Memories in Orbit

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

    Play as android MIO in this mesmerizing metroidvania where you explore the Vessel, an enormous technological ark overgrown with machines gone rogue. Uncover its secrets, enhance MIO's abilities, and save the spaceship and its residents from oblivion.

    2026ActionIndieAdventure19.99 USDDeck VerifiedSingle-playerSimilar games →
  6. 6
    Foregone — Steam game cover

    Foregone

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

    Foregone is a fast and fluid 2D action-platformer packed with legendary loot and stunning pixel art. Collect an arsenal of powerful weapons and unravel a compelling story of regret and conspiracy as you slice your way through hordes of enemies to save Calagan.

    2021ActionIndieAdventure19.99 USDDeck VerifiedSingle-playerSimilar games →
  7. 7
    Death's Gambit: Afterlife — Steam game cover

    Death's Gambit: Afterlife

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

    Death's Gambit: Afterlife is a challenging 2D action platformer with deep RPG elements. As an agent of Death bound to his service, unravel the mystery of Siradon and discover the true price of immortality.

    2018ActionIndieAdventure19.99 USDDeck VerifiedSingle-playerSimilar games →
  8. 8
    DOOMBLADE — Steam game cover

    DOOMBLADE

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

    Deep underground, Gloom Girl discovers DOOMBLADE, a sentient weapon hellbent on escape after eons in chains. Together, “Doom and Gloom” embark on a vengeful quest to unlock the powerful abilities and destroy the Dread Lords once and for all in this 2D Action Metroidvania.

    2023ActionIndieAdventure15.99 USDSingle-playerSimilar games →