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
    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 →
  2. 2
    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 →
  3. 3
    Vector Surge — Steam game cover

    Vector Surge

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

    Enter a twin-stick arena shooter built from living procedural geometry. Master six arcade protocols or build a persistent fleet in Universe mode, where generated sectors, branching routes, evolving weapons, mutated bosses and escalating Storm Tiers ensure no expedition unfolds the same way twice.

    2026Free To PlayCasualFreeSingle-playerSimilar games →
  4. 4
    Neon Endstate — Steam game cover

    Neon Endstate

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

    Turn a small ship into a roaming arsenal. Dodge hostile fleets, bolt on weapons between waves, and steal a capital ship's firepower. Build wild combinations across six-wave campaigns, then push your luck in escalating Capital Hunts.

    ActionIndieSingle-playerSimilar games →
  5. 5
    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 →
  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
    Space War: Infinity — Steam game cover

    Space War: Infinity

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

    Vertical semi-procedural shmup with upgrades, real-time enemy waves, and infinite replayability. Level up your ship, unlock 20+ weapons, defeat 5 bosses, and survive endless bullet-hell combat.

    2019ActionIndieCasual2.99 USDSingle-playerSimilar games →
  8. 8
    Pixel Descent — Steam game cover

    Pixel Descent

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

    Pixel Descent is an action rogue-lite in which you navigate a series of complex dungeons packed to the brim with monsters that want you dead. Sign the contract and descend into the deepest depths of the abyss knowing full well that you will definitely die there, it's just a matter of when.

    2024ActionIndieRPG5.99 USDDeck PlayableSingle-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 and sequel to 99 Fails, set in an original fantasy world called Neebota, where Zeebo and his friends hunt for portals to our earth, 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.

    Neebota: 99 Fails is a 3D action adventure with impossibly difficult platforming challenges in 2D. It takes place in Zeebo's surreal nightmare where his body painfully transforms, set to music by  legendary David Wise.

    2026ActionIndieCasualSingle-playerSimilar games →