IMHO.

Single-player games like Seth

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

Ranked picks

  1. 1
    Gunstoppable — Steam game cover

    Gunstoppable

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

    A momentum-fueled Roguelite FPS where speed is damage. Dual-wield overpowered weapon combos and bend time to obliterate robot hordes and overthrow billionaire bosses!

    2026ActionIndieSingle-playerSimilar games →
  2. 2
    Alien Grounds — Steam game cover

    Alien Grounds

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

    Single-player arena shooter. Weird weapons. Relentless robots. Easy to play, hard to score. Enter the chaos, shoot the bots, and compete in the Monthly Challenge.

    2026ActionIndie4.99 USDSingle-playerSimilar games →
  3. 3
    INFINITE CHUMP — Steam game cover

    INFINITE CHUMP

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

    INFINITE CHUMP is an ultra-fast, boomer shooter roguelite tripfest where you graft spell-casting arms to your body. Put rings on your new fingers to create spells on the fly. Inspired by 90's FPS games with a trippy twist.

    2026ActionIndieSingle-playerSimilar games →
  4. 4
    KETZER — Steam game cover

    KETZER

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

    KETZER is a brutal roguelite horde FPS where blood is both your weapon and your resource. Fight through endless waves of possessed and cursed abominations, grow stronger mid-run, and descend deeper into corruption with every death.

    ActionSingle-playerSimilar games →
  5. 5
    Steel Judgment — Steam game cover

    Steel Judgment

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

    Steel Judgment is an ultra-fast roguelite FPS that blends game-breaking roguelike chaos with stylish spectacle fighter combat. Wipe out hordes of enemies with ruthless efficiency while collecting powerful items to grow even stronger!

    2026ActionIndieEarly AccessSingle-playerSimilar games →
  6. 6
    ODDCORE — Steam game cover

    ODDCORE

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

    You have only 5 minutes to stylishly explode your way through the hordes of corrupted entities in a retro FPS, roguelike liminal-nightmare... and Timmee is here to help!

    2026ActionIndieEarly Access9.99 USDDeck VerifiedSingle-playerSimilar games →
  7. 7
    Hexborn — Steam game cover

    Hexborn

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

    A blood-fueled roguelite FPS inspired by Doom and Vampire Survivors — but instead of one arena, fight through cursed labyrinths that reshape every run. Draft brutal perks, wield occult firepower, and survive escalating horrors with a retro shooter soul.

    ActionIndieSingle-playerSimilar games →
  8. 8
    Blast Judgment — Steam game cover

    Blast Judgment

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

    Wield an unholy arsenal in this FPS Roguelite. Plunder arcane relics and practice forgotten rituals to take on armies of twisted foes. Seek the cruel gods that pulled you from your grave, and inflict your BLAST JUDGMENT.

    ActionIndieRPGSingle-playerSimilar games →