IMHO.

Single-player games like Cosmic Run

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

Ranked picks

  1. 1
    MOBU — Steam game cover

    MOBU

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

    Survive waves of bouncing enemies raining from the skies in this fast-paced action roguelite. Play as a superpowered monk, craft game-breaking builds, and conquer the chaos in sub-30-minute runs.

    2026ActionIndie5.39 USDSingle-playerSimilar games →
  2. 2
    Starforged Legacy — Steam game cover

    Starforged Legacy

    Single-player alternative to Cosmic Run — playable solo, no multiplayer required. Shares Action and Strategy with Cosmic Run.

    Outlast the onslaught in a sci-fi survivors-like where your decisions matter as much as your firepower. Command customizable starships, enhance your arsenal with 100+ strategy-defining upgrades, and annihilate endless fleets of cosmic combatants! Carve your legacy among the stars or die trying!

    2026ActionStrategyIndie7.19 USDSingle-playerSimilar games →
  3. 3
    Fading Reel — Steam game cover

    Fading Reel

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

    A sepia Roguelike — lead a chained squad through 22 waves. Map events split your line, milestone recruits add firepower. Linked Blink, run upgrades, 19 Evolutions, and a permanent meta tree carry you to the final Boss Hydra.

    ActionIndieCasualSingle-playerSimilar games →
  4. 4
    XENOFLEKT — Steam game cover

    XENOFLEKT

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

    XENOFLEKT is a roguelite space shooter where you will turn enemy bullets into armory: dash into enemy fire to parry and deflect shots, heal your ship, and trigger devastating counter-attacks. Unlock parts, plug-in unique perks with satellites, and get ready to master hundreds of deadly synergies.

    2026ActionIndieCasualSingle-playerSimilar games →
  5. 5
    NeuroSquad - Slay the Horde — Steam game cover

    NeuroSquad - Slay the Horde

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

    Invent your own weapons in this sci-fi Roguelike shooter! Combine any weapon with any upgrade to customize your arsenal. Form a squad of holographic soldiers, redesign their guns too, and slay hordes of cybernetic enemies!

    ActionIndieRPGSingle-playerSimilar games →
  6. 6
    Meteor Rush — Steam game cover

    Meteor Rush

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

    Meteor Rush is a high-intensity space Bullet Heaven where you defend a fragile core against endless cosmic threats. Harvest meteor gems, loot powerful gear, and evolve your ship and core into an unstoppable force of destruction.

    ActionSingle-playerSimilar games →
  7. 7
    Flaghead — Steam game cover

    Flaghead

    Single-player alternative to Cosmic Run — playable solo, no multiplayer required. Shares Action and Strategy with Cosmic Run.

    Flaghead is an arena shooter roguelite where you play as a country, surviving through history from the dark ages into the cybernetic futures and beyond.

    2026ActionStrategyRPGSingle-playerSimilar games →
  8. 8
    Void Resurgence — Steam game cover

    Void Resurgence

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

    Command a starship in Void Resurgence, a retro-futuristic space roguelite. Battle through colorful cosmic fields, collect upgrades, and build your ultimate ship. Dodge intense bullet-hell patterns and fight for survival. Every run offers new challenges and permanent progress.

    2025ActionIndieCasual4.99 USDSingle-playerSimilar games →