IMHO.

Single-player games like Mutation

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

Ranked picks

  1. 1
    Eldritch — Steam game cover

    Eldritch

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

    Eldritch is the original imsim roguelike: a first-person action game inspired by roguelikes, immersive sims, and H. P. Lovecraft.

    2013ActionIndieAdventure14.99 USDDeck VerifiedSingle-playerSimilar games →
  2. 2
    Deus Ex: The Fall — Steam game cover

    Deus Ex: The Fall

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

    Deus Ex: The Fall is set in 2027– a golden era for science, technology and human augmentation, but also a time of great social divide and global conspiracy. Powerful corporations have seized control from governments and command the drug supply needed by augmented humans to survive.

    2014ActionAdventureRPG9.99 USDDeck PlayableSingle-playerSimilar games →
  3. 3
    Dying Light — Steam game cover

    Dying Light

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

    First-person action survival game set in a post-apocalyptic open world overrun by flesh-hungry zombies. Roam a city devastated by a mysterious virus epidemic. Scavenge for supplies, craft weapons, and face hordes of the infected.

    2015ActionRPG24.99 USDDeck VerifiedSingle-playerSimilar games →
  4. 4
    Mortal Frame: Reforged in Survival — Steam game cover

    Mortal Frame: Reforged in Survival

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

    "Mortal Frame" is a sci-fi RPG combining open-world exploration and sandbox survival. The player explores a challenging world, gathers resources, crafts gear, captures AI companions, and upgrades modification chips to enhance their abilities, facing powerful foes and uncovering hidden mysteries.

    ActionIndieAdventureSingle-playerSimilar games →
  5. 5
    The Last Dive — Steam game cover

    The Last Dive

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

    A tense and tactical FPS with roguelite progression. Descend level by level through dangerous, shifting environments. Brutal, slow-paced combat where every shot counts. Find the elevator. Go deeper into the Void. Until it’s your last dive.

    ActionIndieAdventureSingle-playerSimilar games →
  6. 6
    Welcome to Basingstoke — Steam game cover

    Welcome to Basingstoke

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

    Basingstoke is a tense rogue-like that mixes stealth and arcade action. Explore the smouldering ruins of Basingstoke, a world of reanimated undead and ferocious alien monsters. Scavenge as you go, crafting equipment to help you in your mission: escape Basingstoke!

    2018ActionIndieAdventure9.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    DESOLATE — Steam game cover

    DESOLATE

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

    DESOLATE is a first person horror survival experience. Form a research team with up to 4 players and explore an open world filled with mysteries and unsolved questions, or do it all on your own.

    2019ActionAdventureRPG14.99 USDSingle-playerSimilar games →
  8. 8
    Tunguska: The Visitation - Final Cut — Steam game cover

    Tunguska: The Visitation - Final Cut

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

    Tunguska: The Visitation is a single player top-down shooter RPG. Seek fortune as a Ghoul Hunter in an abandoned Soviet Exclusion Zone. Use your grit and ingenuity to survive deadly radiation, mysterious anomalies, and poisonous mutants. Go in guns-blazing, or stay in the shadows - your choice.

    2021ActionIndieAdventure14.99 USDDeck VerifiedSingle-playerSimilar games →