IMHO.

Single-player games like Shrink Assault

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

Ranked picks

  1. 1
    Rapid Puppet — Steam game cover

    Rapid Puppet

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

    Rapid Puppet is a wild mix of various genres that forms a unique and fast-paced gameplay experience. Roguelike action in the ever-changing worlds is designed to test your stamina and reaction speed. A set of upgradable skills and weapons to become an unstoppable Sci-Fi knight!

    2026ActionIndie14.99 USDSingle-playerSimilar games →
  2. 2
    City Zoomer — Steam game cover

    City Zoomer

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

    A movement focused endless anime runner. Jump till you're dead.

    2021ActionIndieCasual4.99 USDSingle-playerSimilar games →
  3. 3
    Gust — Steam game cover

    Gust

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

    A short retro speedrun game in a dark world. Use your spells to deflect and solve puzzle elements.

    2022ActionIndieAdventure0.99 USDSingle-playerSimilar games →
  4. 4
    WingWhiz — Steam game cover

    WingWhiz

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

    WingWhiz brings classic arcade shoot 'em ups into 3D with roguelite progression. Destroy everything in your path, level up, build your plane, unlock new weapons and planes, and try different playstyles as you fight through new worlds.

    2026ActionIndieSingle-playerSimilar games →
  5. 5
    RAD: Ascension — Steam game cover

    RAD: Ascension

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

    Some runs you race the clock. Some you just flow. RAD is a movement game built around speed and experimentation. Pump, jump, swing and glide through neon courses, race leaderboard ghosts, shave milliseconds off every run, and play it all to your own music. Instant restarts; one more run, every time.

    2027ActionIndieCasualSingle-playerSimilar games →
  6. 6
    Endless Horizon — Steam game cover

    Endless Horizon

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

    Endless Horizon is a high octane arcade game of speed, precision and perfect timing.

    2018ActionIndieCasual0.99 USDSingle-playerSimilar games →
  7. 7
    Dino-Ducks Dash — Steam game cover

    Dino-Ducks Dash

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

    Dino-Ducks Dash is a 2D Hi-Score Multiplayer Runner you can play PvP, Co-Op or as a single player to beat the leaderboard.It has a couch co-op mode and an online co-op mode.And you can also beat the stuffing out of the other cute Dino Ducks with a machete!

    2024ActionIndieCasual2.99 USDSingle-playerSimilar games →
  8. 8
    AKEGARASU: Journey to the Underworld — Steam game cover

    AKEGARASU: Journey to the Underworld

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

    Cut Down Enemies to Keep the Clock Running! Race through deadly trials and reach the end of the Underworld in this ultimate-speed hardcore runner.

    2027ActionIndieSingle-playerSimilar games →