IMHO.

Free games like CrystalKeepers

Below are 9 free-to-play Steam games similar to CrystalKeepers, 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 CrystalKeepers page.

Ranked picks

  1. 1
    Landfall Archives — Steam game cover

    Landfall Archives

    Free-to-play alternative to CrystalKeepers — no purchase or trial window. Shares Strategy with CrystalKeepers.

    Break into the Landfall Archives to steal and play previously unreleased games, demos, interactive slide shows, and even an unreleased version of Totally Accurate Battle Simulator from 2017!

    2023ActionStrategyIndieFreeFree to playSimilar games →
  2. 2
    Epic Battle Fantasy 3 — Steam game cover

    Epic Battle Fantasy 3

    Free-to-play alternative to CrystalKeepers — no purchase or trial window. Shares RPG with CrystalKeepers.

    Epic Battle Fantasy 3 is a silly turn-based JRPG, full of useless NPCs, rabid cats, childish humor, unreasonably large weapons, anime boobs, and other nonsense. And it's totally free!

    2016IndieAdventureRPGFreeDeck PlayableFree to playSimilar games →
  3. 3
    The Riftbreaker: Prologue — Steam game cover

    The Riftbreaker: Prologue

    Free-to-play alternative to CrystalKeepers — no purchase or trial window. Shares Strategy with CrystalKeepers.

    The Riftbreaker: Prologue allows you to experience the events taking place before the story campaign of the main game. Explore an entirely new world. Gather resources. Build up a base. Defend yourself from thousands of alien creatures.

    2020ActionStrategyIndieFreeDeck PlayableFree to playSimilar games →
  4. 4
    DFHack - Dwarf Fortress Modding Engine — Steam game cover

    DFHack - Dwarf Fortress Modding Engine

    Free-to-play alternative to CrystalKeepers — no purchase or trial window. Shares Strategy and RPG with CrystalKeepers.

    Extensions for Dwarf Fortress, including bugfixes, interface improvements, automation agents, design blueprints, modding building blocks, and other tools.

    2023StrategySimulationRPGFreeDeck PlayableFree to playSimilar games →
  5. 5
    Shape of Dreams: Prologue — Steam game cover

    Shape of Dreams: Prologue

    Free-to-play alternative to CrystalKeepers — no purchase or trial window.

    《Shape of Dreams: Prologue》is a unique game that blends action roguelite with MOBA-style gameplay. Edit your character's Memories to create your own champion. Face all challenges alone or play with friends in up to 4-player co-op.

    2024ActionIndieAdventureFreeDeck PlayableFree to playSimilar games →
  6. 6
    The Life and Suffering of Sir Brante — Chapter 1&2 — Steam game cover

    The Life and Suffering of Sir Brante — Chapter 1&2

    Free-to-play alternative to CrystalKeepers — no purchase or trial window. Shares Strategy with CrystalKeepers.

    A narrative-driven hardcore RPG set in a gritty world where the gods are real. Set out on a challenging lifetime journey, where every choice you make has a price to pay and consequence to it. Will you become an inquisitor, a judge, or conspire against the old order? Dare to decide!

    2020StrategyIndieAdventureFreeFree to playSimilar games →
  7. 7
    Wires And Whiskers — Steam game cover

    Wires And Whiskers

    Free-to-play alternative to CrystalKeepers — no purchase or trial window.

    Wires and Whiskers is a local co-op action-puzzle game where two players control a lab-engineered gerbil and its magnetic exosuit. Work together to fight mutated enemies, solve magnetic puzzles, and survive in a ruined, post-apocalyptic trench world.

    2025ActionIndieAdventureFreeDeck PlayableFree to playSimilar games →
  8. 8
    Nazi Zombies — Steam game cover

    Nazi Zombies

    Free-to-play alternative to CrystalKeepers — no purchase or trial window. Shares Early Access with CrystalKeepers.

    Nazi Zombies is a cooperative survival game where players fend off escalating waves of Nazi zombies, earning points by killing zombies and repairing barriers to buy weapons, upgrades, perks, and unlock new map areas to maximize their survival.

    2026ActionIndieFree To PlayFreeFree to playSimilar games →
  9. 9
    Sky Clash: Lords of Clans 3D — Steam game cover

    Sky Clash: Lords of Clans 3D

    Free-to-play alternative to CrystalKeepers — no purchase or trial window. Shares Strategy with CrystalKeepers.

    Build up your empire and hold your defense against the waves of enemy attacks! Develop your own strategy. Compete in epic Clan Wars!

    2018StrategyMassively MultiplayerFree To PlayFreeFree to playSimilar games →