IMHO.

Single-player games like Fragmentosis

Below are 10 single-player Steam games similar to Fragmentosis, 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 Fragmentosis page.

Ranked picks

  1. 1
    Shape Survivors — Steam game cover

    Shape Survivors

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

    The arena is shrinking. Annihilate endless swarms of angry geometry to climb the global leaderboards in this relentless bullet heaven. Collect Poly shards, upgrade your weapons, and unlock permanent meta-progression to survive the crush in Shape Survivors.

    ActionIndieCasualSingle-playerSimilar games →
  2. 2
    Heartbeats — Steam game cover

    Heartbeats

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

    Would you survive a panic attack? Test your limits in this anxiety-inducing twin-stick shooter, blasting away intrusive thoughts using your Inner weapon.

    2025ActionIndie3.99 USDSingle-playerSimilar games →
  3. 3
    Void Resurgence — Steam game cover

    Void Resurgence

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

    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 →
  4. 4
    ShapeNeon Chaos — Steam game cover

    ShapeNeon Chaos

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

    ShapeNeon Chaos is an old school style space-shooter. You are a ship facing off waves of deadly enemies. This game was made to give you a shot of adrenaline in a couple of minutes. Lots of bullets and neon in an arcade psychedelic shooter!

    2021ActionIndieCasual1.99 USDSingle-playerSimilar games →
  5. 5
    Cosmic Run — Steam game cover

    Cosmic Run

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

    Cosmic Run is a single-player space roguelite where you battle relentless galactic enemies, strategically upgrade your ship, and help the Zogark family survive their journey across the galaxy. Build powerful combinations, adapt to chaotic encounters, and escape one broken system after another.

    2026ActionStrategyIndie9.89 USDSingle-playerSimilar games →
  6. 6
    Evil Egg — Steam game cover

    Evil Egg

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

    Blast it all to hell.

    2025ActionFree To PlayFreeDeck VerifiedSingle-playerSimilar games →
  7. 7
    Sphere Fight — Steam game cover

    Sphere Fight

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

    Fast arcade survival with short 3–5 minute runs. Grow from an insignificant being into a god of the arena. Fight endless waves, upgrade your abilities, and chase higher and higher scores.

    2026ActionIndieCasual2.49 USDSingle-playerSimilar games →
  8. 8
    Waves — Steam game cover

    Waves

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

    Waves is an Arcade Twin-Stick Shooter that's all about High Scores. Build your combo and drop bombs in pursuit of Leaderboard dominance over seven game-modes!

    2011ActionIndieFreeDeck VerifiedSingle-playerSimilar games →
  9. 9
    Neebota: Zeebo's Awakening — Steam game cover

    Neebota: Zeebo's Awakening

    Single-player alternative to Fragmentosis — playable solo, no multiplayer required.

    An open world party-based RPG set in an original fantasy world called Neebota, where Zeebo and his friends hunt for portals to our earth, and in doing so, uncover secret powers, ancient lore of their world and a vast conspiracy across space and time. With music by legendary David Wise.

    2027StrategyAdventureRPGSingle-playerSimilar games →
  10. 10
    99 Fails — Steam game cover

    99 Fails

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

    99 Fails is an impossibly difficult roguelite platformer featuring 3 mechanics in Zeebo's surreal nightmare with bizarre monsters & music by legendary David Wise!

    2026ActionIndieCasualSingle-playerSimilar games →