IMHO.

Single-player games like PolyBoost

Below are 9 single-player Steam games similar to PolyBoost, 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 PolyBoost page.

Ranked picks

  1. 1
    Crescent Roll — Steam game cover

    Crescent Roll

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

    The all-in-one, super-sweet, physics-based, gravity-altering, action-packed, fully-customizable, bite-sized 2D marble racing game.

    2025IndieCasualRacing9.99 USDSingle-playerSimilar games →
  2. 2
    Sky Reach — Steam game cover

    Sky Reach

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

    Climb fast or fall. In this neon cyberpunk platformer, every jump counts—fire energy waves, create platforms on impact, and push your limits solo or in local co-op.

    2026ActionIndieCasual3.99 USDSingle-playerSimilar games →
  3. 3
    CheeseCube — Steam game cover

    CheeseCube

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

    Embark on an epic journey as a cube, mastering platformer puzzle challenges with humor and style. Glitch through platforms, uncover hidden paths, and find the quickest solution to each level. Put your skills to the test and compete globally as you aim to reach the top of the leaderboard.

    2021ActionIndieAdventure3.39 USDDeck PlayableSingle-playerSimilar games →
  4. 4
    Glimmer Chain — Steam game cover

    Glimmer Chain

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

    Use the chain to swing and propel yourself through the buildings. Execute fluid and epic moves to light up the city in the shortest possible time!

    2024ActionIndieCasual7.99 USDSingle-playerSimilar games →
  5. 5
    RAD — Steam game cover

    RAD

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

    RAD is a neon-drenched movement game built around speed, flow, and experimentation. Jump, swing and glide through relentless obstacle courses, race leaderboard ghosts and shave milliseconds off every run. Instant restarts keeps the momentum going.

    ActionSportsIndieSingle-playerSimilar games →
  6. 6
    The Masochistic Ball — Steam game cover

    The Masochistic Ball

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

    Roll. Jump. Fall. Repeat. The Masochistic Ball is a precision 2D platformer with a rising difficulty curve. The early levels welcome everyone. The final ones? Pure nightmare fuel. 40 levels. No enemies. Just you, gravity, and your will to endure.

    2025Indie0.99 USDSingle-playerSimilar games →
  7. 7
    DiegoTC Toolbox — Steam game cover

    DiegoTC Toolbox

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

    A Puzzle-Platformer with tons of unique puzzles and mechanics.

    StrategyIndieCasualSingle-playerSimilar games →
  8. 8
    Voxotron — Steam game cover

    Voxotron

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

    A psychedelic hyper-speed racer with no speed limit. Pilot a spaceship around a spinning cosmic cylinder. No brakes. Thread impossible patterns and find the hyperfocus your brain was built for. Short runs. Instant death. Easy to learn, with insane skill ceiling. Pure flow state.

    2026IndieCasualRacingSingle-playerSimilar games →
  9. 9
    Overheat — Steam game cover

    Overheat

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

    Overheat is a hard sidescrolling platformer in which a robot only needs to climb up one level to return to its home planet. How hard can that be?

    2021ActionIndieCasual4.99 USDSingle-playerSimilar games →