IMHO.

Single-player games like Project DevourSlime

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

Ranked picks

  1. 1
    Project Confluence — Steam game cover

    Project Confluence

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

    Jump, jetpack, wall run and grapple your way through 3D environments in a race against time. Swap between parallel worlds to add or remove platforms in your way to reach the goal and complete your simulation of Project Confluence.

    2026ActionIndie9.89 USDSingle-playerSimilar games →
  2. 2
    UP — Steam game cover

    UP

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

    Test your reflexes in a vertically designed world. Master constantly changing mechanics and traps as you climb your way to the top.

    2025ActionIndieAdventure2.99 USDSingle-playerSimilar games →
  3. 3
    Crop Crusaders — Steam game cover

    Crop Crusaders

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

    Play as a sentient Vegetable who can transform into 6 different veggies with unique abilities. Escape the tormenting lab where you were created and are now being held captive.

    2025ActionIndieAdventure2.99 USDSingle-playerSimilar games →
  4. 4
    DualVerse86 — Steam game cover

    DualVerse86

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

    DualVerse86 is a fast-paced 2D precision platformer where mastering switching between two worlds is the only way to survive deadly traps and race against the clock.

    2026ActionIndieSingle-playerSimilar games →
  5. 5
    Dubio — Steam game cover

    Dubio

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

    Dubio is a game of tiny puzzle parcours. It offers a challenging mix of puzzle-solving and momentum control. Jump and bounce through 100 levels that test your wits and sense of timing. Or are there more?

    2024ActionIndieCasual4.99 USDSingle-playerSimilar games →
  6. 6
    Warpswap — Steam game cover

    Warpswap

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

    Teleport, swap, and solve puzzles! Use your unique ability to swap places with blocks and uncover the secrets of a lost planet.

    IndieAdventureSingle-playerSimilar games →
  7. 7
    Turnip Mountain — Steam game cover

    Turnip Mountain

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

    Turnip Mountain is a physics-based climbing adventure in which you control each hand independently using two mice or two analogue sticks. Grab, swing and launch yourself to the summit your own way.

    ActionIndieAdventureSingle-playerSimilar games →
  8. 8
    Bruce's Jetpack — Steam game cover

    Bruce's Jetpack

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

    A pure platformer. A humming jetpack. A lonely man.

    2026IndieAdventureCasual0.84 USDSingle-playerSimilar games →