IMHO.

Single-player games like ALPHA

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

Ranked picks

  1. 1
    Terraria — Steam game cover

    Terraria

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

    Dig, fight, explore, build! Nothing is impossible in this action-packed adventure game. Four Pack also available!

    2011ActionIndieAdventure9.99 USDDeck VerifiedSingle-playerSimilar games →
  2. 2
    Hollow Knight — Steam game cover

    Hollow Knight

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

    Forge your own path in Hollow Knight! An epic action adventure through a vast ruined kingdom of insects and heroes. Explore twisting caverns, battle tainted creatures and befriend bizarre bugs, all in a classic, hand-drawn 2D style.

    2017ActionIndieAdventure14.99 USDDeck VerifiedSingle-playerSimilar games →
  3. 3
    Brothers - A Tale of Two Sons — Steam game cover

    Brothers - A Tale of Two Sons

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

    Guide two brothers on an epic fairy tale journey from visionary Swedish film director, Josef Fares and top-tier developer Starbreeze Studios. Control both brothers at once as you experience co-op play in single player mode, like never before.

    2013ActionIndieAdventure14.99 USDDeck PlayableSingle-playerSimilar games →
  4. 4
    Outlast — Steam game cover

    Outlast

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

    Hell is an experiment you can't survive in Outlast, a first-person survival horror game developed by veterans of some of the biggest game franchises in history. As investigative journalist Miles Upshur, explore Mount Massive Asylum and try to survive long enough to discover its terrible secret... if you dare.

    2013ActionIndieAdventure14.99 USDDeck PlayableSingle-playerSimilar games →
  5. 5
    Mark of the Ninja — Steam game cover

    Mark of the Ninja

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

    In Mark of the Ninja, you'll know what it is to truly be a ninja. You must be silent, agile and clever to outwit your opponents in a world of gorgeous scenery and flowing animation. Marked with cursed tattoos giving you heightened senses, every situation presents you with options.

    2012ActionIndieAdventureDeck VerifiedSingle-playerSimilar games →
  6. 6
    CrossCode — Steam game cover

    CrossCode

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

    A retro-inspired 2D Action RPG set in the distant future. CrossCode combines 16-bit SNES-style graphics with butter-smooth physics, a fast-paced combat system, and engaging puzzle mechanics, served with a gripping sci-fi story.

    2018ActionIndieAdventure19.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    Shovel Knight: Treasure Trove — Steam game cover

    Shovel Knight: Treasure Trove

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

    Shovel Knight: Treasure Trove is the complete Shovel Knight collection, containing all 5 games in the epic saga! Dig, blast, slash, and bash your way through a fantastical, 8-bit inspired world of pixel-perfect platforming, memorable characters, and world-class action-adventure gameplay.

    2014ActionIndieAdventure39.99 USDDeck VerifiedSingle-playerSimilar games →
  8. 8
    Hyper Light Drifter — Steam game cover

    Hyper Light Drifter

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

    Explore a beautiful, vast and ruined world riddled with dangers and lost technologies.

    2016ActionIndieAdventure5.99 USDDeck VerifiedSingle-playerSimilar games →