IMHO.

Free games like Mystica: The Ninth Society

Below are 9 free-to-play Steam games similar to Mystica: The Ninth Society, ranked by player overlap and content similarity. No purchase or Steam login required to view the list. Every pick is a full free-to-play title — not a demo, trial, or time-limited giveaway. imho.run's catalogue refreshes daily, so newly free or newly popular titles surface here without manual editing.

Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Mystica: The Ninth Society page.

Ranked picks

  1. 1
    AirMech — Steam game cover

    AirMech

    Free-to-play alternative to Mystica: The Ninth Society — no purchase or trial window. Shares Indie with Mystica: The Ninth Society.

    AirMech® Strike is a fast paced Action-RTS game that can be played solo, coop, or competitively online. Earn Kudos and Experience in battle and unlock a wide collection of AirMechs and Units while you practice the perfect strategy to emerge victorious!

    2018ActionStrategyIndieFreeFree to playSimilar games →
  2. 2
    暗黑战神 — Steam game cover

    暗黑战神

    Free-to-play alternative to Mystica: The Ninth Society — no purchase or trial window. Shares Indie and Massively Multiplayer with Mystica: The Ninth Society.

    经典永不褪色,热血再度沸腾!以原汁原味的传奇玩法为核心,打造高爆率、高自由度的MMORPG盛宴。在这里,装备全靠打,神装遍地爆,刀刀暴击、秒怪升级的极致爽感贯穿全程!

    2026ActionIndieAdventureFreeFree to playSimilar games →
  3. 3
    超凡功夫之王传奇 — Steam game cover

    超凡功夫之王传奇

    Free-to-play alternative to Mystica: The Ninth Society — no purchase or trial window. Shares Indie and Massively Multiplayer with Mystica: The Ninth Society.

    三职业高爆传奇—专为兄弟们打造的热血国战版本!在这里,你将一步步练成真正的功夫之王。极品装备、绝世武学全都靠打,BOSS随便虐,爆率高到你想笑。战鼓已擂响,拳头已握紧,拿起你的屠龙宝刀,用一身真功夫和兄弟们一起攻沙、称王。

    2026ActionIndieAdventureFreeFree to playSimilar games →
  4. 4
    IdleOn — Steam game cover

    IdleOn

    Free-to-play alternative to Mystica: The Ninth Society — no purchase or trial window. Shares Indie and Massively Multiplayer with Mystica: The Ninth Society.

    The management RPG where your heroes keep fighting even when you're gone! Spend their loot on upgrades, unlock classes from Elemental Wizard to Cannon Pirate, and level up 19 unique skills like Farming, Sailing, and even Construction!

    2025IndieSimulationMassively MultiplayerFreeDeck PlayableFree to playSimilar games →
  5. 5
    Closers — Steam game cover

    Closers

    Free-to-play alternative to Mystica: The Ninth Society — no purchase or trial window. Shares Massively Multiplayer and RPG with Mystica: The Ninth Society.

    Closers is an episodic anime action RPG bursting with spectacular battles and steeped in an epic storyline. Choose your Closer, gather your friends or dive in solo, and use your amazing powers to protect Earth, in mankind’s desperate battle against horrific monsters from another dimension!

    2018ActionMassively MultiplayerRPGFreeFree to playSimilar games →
  6. 6
    ChilloutVR — Steam game cover

    ChilloutVR

    Free-to-play alternative to Mystica: The Ninth Society — no purchase or trial window. Shares Indie with Mystica: The Ninth Society.

    ChilloutVR is a social sandbox game enabling players and content creators to create, share and explore content in a massive multiplayer metaverse alone, with friends or anyone around the world. Meet new people and explore virtual worlds together. Playable with and without a VR-Headset.

    2021ActionStrategyIndieFreeDeck PlayableFree to playSimilar games →
  7. 7
    RPG MO — Steam game cover

    RPG MO

    Free-to-play alternative to Mystica: The Ninth Society — no purchase or trial window. Shares Indie and Massively Multiplayer with Mystica: The Ninth Society.

    RPG MO is a nostalgic MMORPG that reminds of Ultima and Runescape Classic.

    2015IndieAdventureMassively MultiplayerFreeDeck PlayableFree to playSimilar games →
  8. 8
    Idle Clans — Steam game cover

    Idle Clans

    Free-to-play alternative to Mystica: The Ninth Society — no purchase or trial window. Shares Indie and Massively Multiplayer with Mystica: The Ninth Society.

    Idle Clans is a multiplayer idle game that combines the classic MMORPG experience with simplified gameplay and less time commitment. Features include a player-driven economy, PvE, trading, quests, crafting and opportunities to play, socialize and collaborate with other players.

    2023IndieMassively MultiplayerRPGFreeDeck PlayableFree to playSimilar games →
  9. 9
    Conflict of Darkness — Steam game cover

    Conflict of Darkness

    Free-to-play alternative to Mystica: The Ninth Society — no purchase or trial window. Shares Indie and Massively Multiplayer with Mystica: The Ninth Society.

    A classic 2D MMORPG where darkness threatens to consume the realm. Complete quests, master powerful skills, join guilds, battle monsters and uncover the secrets of a world on the brink of destruction.

    IndieAdventureMassively MultiplayerFreeFree to playSimilar games →