IMHO.

Single-player games like Steel Knight's ARMIS

Below are 8 single-player Steam games similar to Steel Knight's ARMIS, 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 Steel Knight's ARMIS page.

Ranked picks

  1. 1
    A.V.E.N.A. — Steam game cover

    A.V.E.N.A.

    Single-player alternative to Steel Knight's ARMIS — playable solo, no multiplayer required. Shares Action with Steel Knight's ARMIS.

    Pilot disposable combat drones through the Primal Portal in a sci-fi action roguelike. Customize your drone, fight through various missions, recover research data and alien technology to enhance your drone setup for the next session.

    2026ActionIndieEarly AccessSingle-playerSimilar games →
  2. 2
    SteelGuard — Steam game cover

    SteelGuard

    Single-player alternative to Steel Knight's ARMIS — playable solo, no multiplayer required. Shares Action with Steel Knight's ARMIS.

    Pilot customizable mechs in an epic battle against hordes of enemiesor dive into intense PvP battles where precision aiming can turn the tide, or let your mech's auto-firing system handle the heat of combat. With rogue-lite elements, each run offers a unique challenge and opportunity for growth.

    ActionIndieFree To PlaySingle-playerSimilar games →
  3. 3
    Chronoseum — Steam game cover

    Chronoseum

    Single-player alternative to Steel Knight's ARMIS — playable solo, no multiplayer required. Shares Action with Steel Knight's ARMIS.

    An action roguelite where you fight through arenas and unlock epic upgrades! Defeat the Bosses and challenge the Emperor. Die, upgrade, die and descend again.

    2026ActionIndieSingle-playerSimilar games →
  4. 4
    The Machine God — Steam game cover

    The Machine God

    Single-player alternative to Steel Knight's ARMIS — playable solo, no multiplayer required. Shares Action with Steel Knight's ARMIS.

    The Machine God is a hyper-aggressive roguelike about the dance between blade and bullet. Slash and dash through a city consumed by a fanatical hivemind, and master the art of Gun Fu.

    ActionSingle-playerSimilar games →
  5. 5
    Nebula Strike — Steam game cover

    Nebula Strike

    Single-player alternative to Steel Knight's ARMIS — playable solo, no multiplayer required. Shares Action with Steel Knight's ARMIS.

    Nebula Strike is a space-themed 2.5D top-down twin-stick shooter game.

    2025ActionIndie3.99 USDSingle-playerSimilar games →
  6. 6
    RIG Riot — Steam game cover

    RIG Riot

    Single-player alternative to Steel Knight's ARMIS — playable solo, no multiplayer required. Shares Action with Steel Knight's ARMIS.

    RIG Riot is a roguelike third-person mech-action shooter. Fight increasingly difficult enemies while completing objectives, level up, and choose the Weapons and Volatile Mods that will let you return from your raids victorious. Discover thousands of permanent parts, and build a RIG unlike any other.

    2026ActionSingle-playerSimilar games →
  7. 7
    Gigantes Ex Machina — Steam game cover

    Gigantes Ex Machina

    Single-player alternative to Steel Knight's ARMIS — playable solo, no multiplayer required. Shares Action with Steel Knight's ARMIS.

    Fast paced Top-down shooter! Smartly use IRCM to evade the constant barrage of bullets and missiles and destroy everything that stands in your way.

    2025ActionIndieSimulation14.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Vital Shell — Steam game cover

    Vital Shell

    Single-player alternative to Steel Knight's ARMIS — playable solo, no multiplayer required. Shares Action with Steel Knight's ARMIS.

    Vital Shell is a single player top-down arena shooter that puts you in control of mechs inspired by classic fantasy archetypes. Unlock powerful synergies with unique weapons, traits, and abilities as you take on increasingly challenging waves of enemies in a shattered realm.

    2026ActionRPG5.99 USDDeck VerifiedSingle-playerSimilar games →