IMHO.

Single-player games like OUTPERFORM

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

Ranked picks

  1. 1
    PLEASE STOP THE RAIN — Steam game cover

    PLEASE STOP THE RAIN

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

    A survivor-like with no timer. Wren, an orphan of the last dry circle in a world that has rained for 31 years, learns to write weather instead of swinging a sword. Walk out for a harder run, walk back to breathe, and decide whether the Rain should stop at all.

    ActionIndieRPGSingle-playerSimilar games →
  2. 2
    I Only Moved My Mouse — Steam game cover

    I Only Moved My Mouse

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

    Your cursor is the blade. Never click — move the mouse and the sword cuts whatever its edge sweeps through. Take your hand off it and the blade fights on without you. Hold the core, clear endless waves, take an Awakening, then spend the shards on 100 sword tiers and a forge with no last level.

    ActionIndieRPGSingle-playerSimilar games →
  3. 3
    Neon Armada - Solar Storm — Steam game cover

    Neon Armada - Solar Storm

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

    A top-down arena roguelite you can learn in one wave and spend a hundred hours mastering. Waves close in from every edge; the shop between them decides what you become. 32 ships, 28 weapons, 115 mods to combine — then endless mode, where the caps come off.

    2026ActionSingle-playerSimilar games →
  4. 4
    Moonwrought Bastion — Steam game cover

    Moonwrought Bastion

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

    Don’t just mow down the horde—weaponize the battlefield. Lure enemies into spinning gears, ignite fuel slicks, chain lightning through metal, fuse bubbles with abandoned mechs, or hurl cars into the swarm. 9 hunters bend the arena in different ways, and every run lasts 10–15 minutes.

    2026ActionIndie4.19 USDSingle-playerSimilar games →
  5. 5
    Afterwork Apocalypse — Steam game cover

    Afterwork Apocalypse

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

    A horde-survival roguelite in a cursed office tower. Weaponise the stapler, the hot coffee and the all-hands microphone, keep your panicking colleagues from quitting mid-fight, and ride the elevator up floor by floor. Overtime is not optional.

    2026ActionIndieCasualSingle-playerSimilar games →
  6. 6
    Snake: Gridbreaker — Steam game cover

    Snake: Gridbreaker

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

    There is no tutorial. And there won't be. I believe in you. I couldn't escape the Grid. Maybe you can. You are snake who eats apples. j/k You want to escape the grid loop. BUT the LOOP wants to keep You in.

    2026ActionIndieEarly AccessSingle-playerSimilar games →
  7. 7
    Grimoire of Monsters — Steam game cover

    Grimoire of Monsters

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

    Co-op bullet heaven for 1-5 players with a twist: one player controls the monsters. Survive the hordes together, or become the Grimoire Master, spawn the swarm, and turn the bosses on your friends. Which side are you on?

    ActionSingle-playerSimilar games →
  8. 8
    Tied to the Beat — Steam game cover

    Tied to the Beat

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

    A roguelike where every lyric triggers unique effects. Choose your instrument, survive waves of lyric-powered enemies, and import your own songs. Your music. Your weapon.

    2026ActionIndieAdventure4.99 USDSingle-playerSimilar games →