IMHO.

Single-player games like NAMMO

Below are 10 single-player Steam games similar to NAMMO, 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 NAMMO page.

Ranked picks

  1. 1
    Rubinite — Steam game cover

    Rubinite

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

    In this dark fantasy boss rush, use Ruby's crimson eyes to expose the weak points of the Bloodstained monsters, then strike and shatter them. Carve a road home through the ruined Scarlet Kingdom and face the Witch who took it all.

    2026ActionIndieRPG17.99 USDSingle-playerSimilar games →
  2. 2
    Knight Fall — Steam game cover

    Knight Fall

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

    Welcome to Knight Fall, where every move is a challenge! Battle bosses as you climb through dangerous lands. Be careful; a single wrong move could mean the end of the journey. Will you beat the horrors or fall to the bosses on your daring quest?

    2024ActionStrategyIndie9.99 USDSingle-playerSimilar games →
  3. 3
    Catgirl Rage: Claws of Fury — Steam game cover

    Catgirl Rage: Claws of Fury

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

    Demon invasion has shattered the dimensions, filling the world with corrupted souls. Cat girls with unique stories unite through friendship to restore balance by purifying souls and facing fierce bosses. An exciting and adorable side-scrolling action adventure!

    2026ActionIndieAdventureSingle-playerSimilar games →
  4. 4
    Akatori — Steam game cover

    Akatori

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

    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 →
  5. 5
    Gurei — Steam game cover

    Gurei

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

    An unforgiving game with precise combat. Fight challenging bosses in any order, acquire their unique powers, and succeed on your own terms.

    2026ActionIndieAdventure14.39 USDDeck VerifiedSingle-playerSimilar games →
  6. 6
    Winds Of Arcana: Ruination — Steam game cover

    Winds Of Arcana: Ruination

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

    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
    Die Deep — Steam game cover

    Die Deep

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

    Die Deep is an action game focused purely on the confrontation with your enemies. No exploration, no puzzles, The only core is Combat. One reckless move or greedy strike, and it’s all over. Answer the silent call of the abyss. Descend into the depths to find your forgotten desires.

    2026ActionIndieSingle-playerSimilar games →
  8. 8
    Toziuha Night: Order of the Alchemists — Steam game cover

    Toziuha Night: Order of the Alchemists

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

    This is the story of Xandria, an iron alchemist. She seeks revenge regardless of the consequences. To achieve it, Xandria fights with a powerful whip and the power of chemical elements. Find out more about her in this modern metroidvania adventure.

    2025ActionIndieAdventure12.34 USDDeck VerifiedSingle-playerSimilar games →
  9. 9
    Shadow of the Guild — Steam game cover

    Shadow of the Guild

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

    Sidescrolling beat 'em up with an epic story. You are Yarán, an assassin with powerful skills of a mage and a warrior combined. Attack from the shadows, cast powerful spells, and destroy your enemies with powerful combo attacks.

    2022ActionIndieAdventure7.99 USDSingle-playerSimilar games →
  10. 10
    Revelatio — Steam game cover

    Revelatio

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

    "Revelatio" is a turn-based strategy game that combines tile-based combat and elements of roguelike. Strategically summon and control units to claim victory. Stain the world with your darkness by corrupting various units, bosses and even NPCs.

    2024StrategyIndie10.99 USDDeck PlayableSingle-playerSimilar games →