IMHO.

Single-player games like Atrion Project

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

Ranked picks

  1. 1
    Hack Fate — Steam game cover

    Hack Fate

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

    Hack Fate is a fast-paced, cyberpunk pixel-style hack-and-slash action game. In a flash of lightning, control time and space, switch identities, and deliver swift, fatal blows to all enemies. But if it's the heavens you're up against? Then you shall hack fate itself.

    2026ActionIndieAdventureSingle-playerSimilar games →
  2. 2
    Katanaut — Steam game cover

    Katanaut

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

    Katanaut is a fast-paced, Metroidvania-inspired action roguelite blending fluid combat and cosmic horror. Slash, dodge, and wield powerful abilities as you battle through a station sprawling with twisted, once-human horrors. Adapt, survive, and descend into the shadows to uncover dark secrets.

    2025ActionSportsIndie17.99 USDDeck VerifiedSingle-playerSimilar games →
  3. 3
    Ultra Paddle — Steam game cover

    Ultra Paddle

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

    A high-speed arcade roguelite where classic physics meet insane abilities. Deflect the ball, survive intense boss fights, and combine 100+ active and passive skills to break the game. Every run makes you stronger. Your goal? Become unstoppable.

    2027ActionSportsIndieSingle-playerSimilar games →
  4. 4
    HEART ABYSS — Steam game cover

    HEART ABYSS

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

    Heart Abyss is a brutal action-platformer inspired by Japan during the 17th and 18th centuries. Wake up your inner beast and take vengeance on those who put a collar around your neck. Find your sister and uncover the mystery behind the disappearance of all jinkos.

    2026ActionStrategyIndieSingle-playerSimilar games →
  5. 5
    Magenta Horizon - Neverending Harvest — Steam game cover

    Magenta Horizon - Neverending Harvest

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

    Magenta Horizon is a fast-paced 2D action platformer with challenging spectacle fighter inspired combat. Playing as a Reaper of the twisted purgatorial afterlife, push your skills to the limit to destroy the hordes of demons and epic bosses to reach your destination.

    2024ActionIndieAdventure10.99 USDDeck PlayableSingle-playerSimilar games →
  6. 6
    Winds Of Arcana: Ruination — Steam game cover

    Winds Of Arcana: Ruination

    Single-player alternative to Atrion Project — playable solo, no multiplayer required. Shares Action and Adventure with Atrion Project.

    Discover the secrets of a sundered world as you help Aryn save his comrades in this story-rich, fully-voiced, 2.5D action-platformer. Fight terrible dangers and explore ancient mysteries as Aryn uncovers the forces that forge his destiny.

    2025ActionAdventureRPG12.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    Blasphemous 2 — Steam game cover

    Blasphemous 2

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

    The Penitent One awakens as Blasphemous 2 joins him once again in an endless struggle against The Miracle. Dive into a perilous new world filled with mysteries and secrets to discover, and tear your way through monstrous foes that stand between you and your quest to end the cycle once and for all. 

    2023ActionIndieAdventure29.99 USDDeck VerifiedSingle-playerSimilar games →
  8. 8
    Akatori — Steam game cover

    Akatori

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

    A colorful action platformer with metroidvania elements and a staff that unlocks unique combat techniques and new ways to overcome obstacles. Explore beautiful worlds, fight monsters, and help Mako stop the amber storms that poison all living things.

    2026ActionIndieAdventure14.99 USDDeck PlayableSingle-playerSimilar games →