IMHO.

Single-player games like ANNO: Mutationem

Below are 16 single-player Steam games similar to ANNO: Mutationem, 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 ANNO: Mutationem page.

Ranked picks

  1. 1
    Sky Dust — Steam game cover

    Sky Dust

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

    Sky Dust is a cyberpunk action-adventure Metroidvania set in a São Paulo poisoned by lunar fallout and digital decay. Play as a hired blade taking dangerous contracts to survive. Master fast, skill-driven combat, and explore a fractured megacity across neon streets and a corrupted Cyberverse!

    ActionIndieAdventureSingle-playerSimilar games →
  2. 2
    AkuNet; nameless — Steam game cover

    AkuNet; nameless

    Single-player alternative to ANNO: Mutationem — playable solo, no multiplayer required. Shares Indie and Adventure with ANNO: Mutationem.

    AkuNet; nameless is a 2.5-dimensional adventure with elements of rpg and visual novel. Get into AkuNet and find out what the world of eternal digital utopia hides behind itself.

    IndieAdventureRPGSingle-playerSimilar games →
  3. 3
    PIGGY ONE SUPER SPARK — Steam game cover

    PIGGY ONE SUPER SPARK

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

    PIGGY ONE SUPER SPARK is a single-player action game starring Xiamy, Yuez, and a lost newborn baby they happen to find. Follow the trio in their chaotic but heart-warming adventure!

    2027ActionAdventureSingle-playerSimilar games →
  4. 4
    Setsuna — Steam game cover

    Setsuna

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

    Play as "Setsuna," an android assassin. In this cyberpunk-themed 2D action-adventure game, traverse a futuristic metropolis ruled by a super-corp alongside your accompanying AI, clash with powerful enemies, collect abilities to explore the unknown, and search for the meaning of your existence.

    2027ActionIndieAdventureSingle-playerSimilar games →
  5. 5
    Frontier Hunter: Erza’s Wheel of Fortune — Steam game cover

    Frontier Hunter: Erza’s Wheel of Fortune

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

    This is an anime-style Metroidvania game with an RPG progression system, numerous weapons for switching, and an emphasis on equipment building. It offers three switchable characters, smooth gameplay, impactful combat feedback, and anime-style story scenes.

    2024ActionIndieAdventure24.99 USDDeck PlayableSingle-playerSimilar games →
  6. 6
    Virtua Unlimited Project — Steam game cover

    Virtua Unlimited Project

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

    Virtua Unlimited Project is a 2D pixel-art style ACT game featuring VTuber characters. With classical platformer gameplay, challenging combat, and retro game feelings, VUP presents you a surreal, virtual world in which you will play as Aizawa Kana to venture and seek the truth beneath.

    2024ActionIndieAdventure6.59 USDDeck VerifiedSingle-playerSimilar games →
  7. 7
    Twilight Monk — Steam game cover

    Twilight Monk

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

    Embark on a quest to recover the Three Rings of the Triskelion, as the last descendant of ancient Kung Fu warriors in Twilight Monk!. Experience a richly crafted Metroidvania, RPG, with intricately crafted dungeons, linked across a vast overworld spanning multiple continents.

    2025ActionIndieAdventure11.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Jack Move — Steam game cover

    Jack Move

    Single-player alternative to ANNO: Mutationem — playable solo, no multiplayer required. Shares Indie and Adventure with ANNO: Mutationem.

    Jack Move is a JRPG that features a unique blend of gritty cyberpunk story telling, turn based battles and beautiful modern pixel art. Take on the role of Noa, a vigilante hacker who is thrust into a world of murder, kidnapping and dark research after her father goes missing.

    2022IndieAdventureRPG19.99 USDDeck VerifiedSingle-playerSimilar games →
  9. 9
    Medieval Dynasty — Steam game cover

    Medieval Dynasty

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

    Hunt, survive, build and lead in the harsh Middle Ages: Create your own Medieval Dynasty and ensure its long-lasting prosperity or die trying! Play alone or team up with friends to enjoy the ultimate medieval experience.

    2021ActionIndieAdventure34.99 USDDeck PlayableSingle-playerSimilar games →
  10. 10
    RimWorld — Steam game cover

    RimWorld

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

    A sci-fi colony sim driven by an intelligent AI storyteller. Generates stories by simulating psychology, ecology, gunplay, melee combat, climate, biomes, diplomacy, interpersonal relationships, art, medicine, trade, and more.

    2018StrategyIndieSimulation34.99 USDDeck VerifiedSingle-playerSimilar games →
  11. 11
    VA-11 Hall-A: Cyberpunk Bartender Action — Steam game cover

    VA-11 Hall-A: Cyberpunk Bartender Action

    Single-player alternative to ANNO: Mutationem — playable solo, no multiplayer required. Shares Indie and Adventure with ANNO: Mutationem.

    VA-11 HALL-A: Cyberpunk Bartender Action is a booze em' up about waifus, technology, and post-dystopia life.

    2016IndieAdventureSimulation14.99 USDDeck PlayableSingle-playerSimilar games →
  12. 12
    SCP Foundation: ITTLG - Chapter 1 — Steam game cover

    SCP Foundation: ITTLG - Chapter 1

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

    SCP Foundation: ITTLG Chapter 1 is a visual novel about, SCP-105 & SCP-105-B and her friendship with you. Trying to escape the foundation, in the end. They find out the dark truth behind their existence.

    2021ActionIndieAdventure1.99 USDSingle-playerSimilar games →
  13. 13
    NieR:Automata™ — Steam game cover

    NieR:Automata™

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

    NieR: Automata tells the story of androids 2B, 9S and A2 and their battle to reclaim the machine-driven dystopia overrun by powerful machines.

    2017ActionRPG15.99 USDDeck PlayableSingle-playerSimilar games →
  14. 14
    Foundation — Steam game cover

    Foundation

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

    Foundation is a grid-less, laidback medieval city-building game with a focus on organic development, monument construction and resource management.

    2025StrategyIndieSimulation34.99 USDDeck PlayableSingle-playerSimilar games →
  15. 15
    Stonehearth — Steam game cover

    Stonehearth

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

    Pioneer a living world full of warmth, heroism, and mystery. Help a small group of settlers build a home for themselves in a forgotten land. Establish a food supply, build shelter, defend your people, monitor their moods, and find a way to grow and expand, facing challenges at every step.

    2018StrategyIndieSimulation19.99 USDSingle-playerSimilar games →
  16. 16
    Dwarf Fortress — Steam game cover

    Dwarf Fortress

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

    Build a fortress and try to help your dwarves survive against a deeply generated world. Keep your dwarves happy, grow their community and beware of digging too deeply. The deepest, most intricate simulation of a world that's ever been created.

    2022StrategyIndieSimulation23.99 USDDeck PlayableSingle-playerSimilar games →