IMHO.

Free games like Accretion

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

Ranked picks

  1. 1
    Steam Engine Simulator — Steam game cover

    Steam Engine Simulator

    Free-to-play alternative to Accretion — no purchase or trial window. Shares Simulation with Accretion.

    The Steam Engine Simulator shown on AngeTheGreat's YouTube channel.

    2023SimulationFreeDeck VerifiedFree to playSimilar games →
  2. 2
    Disfigure — Steam game cover

    Disfigure

    Free-to-play alternative to Accretion — no purchase or trial window. Shares Action and Indie with Accretion.

    Disfigure is a grim-dark action rogue-like where you battle relentless hordes of monsters lurking in the shadows. Unlock powerful weapons, craft god-like builds with hundreds of upgrades, slay colossal bosses, and push your limits in intense 20–30 minute survival runs!

    2023ActionIndieFreeDeck PlayableFree to playSimilar games →
  3. 3
    Landfall Archives — Steam game cover

    Landfall Archives

    Free-to-play alternative to Accretion — no purchase or trial window. Shares Action and Indie with Accretion.

    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 →
  4. 4
    Control, I'm Not Coming Back — Steam game cover

    Control, I'm Not Coming Back

    Free-to-play alternative to Accretion — no purchase or trial window. Shares Indie with Accretion.

    Control, I'm Not Coming Back is a short and emotional narrative game about a lost astronaut searching for a reason to keep going forward while facing the emptiness of space. Inspired by the Hopecore aesthetic, it’s a story about positivism, friendship and our human connection with Voyager 1.

    2026IndieAdventureFree To PlayFreeFree to playSimilar games →
  5. 5
    Waves — Steam game cover

    Waves

    Free-to-play alternative to Accretion — no purchase or trial window. Shares Action and Indie with Accretion.

    Waves is an Arcade Twin-Stick Shooter that's all about High Scores. Build your combo and drop bombs in pursuit of Leaderboard dominance over seven game-modes!

    2011ActionIndieFreeDeck VerifiedFree to playSimilar games →
  6. 6
    Shape of Dreams: Prologue — Steam game cover

    Shape of Dreams: Prologue

    Free-to-play alternative to Accretion — no purchase or trial window. Shares Action and Indie with Accretion.

    《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 →
  7. 7
    Totally Accurate Battlegrounds — Steam game cover

    Totally Accurate Battlegrounds

    Free-to-play alternative to Accretion — no purchase or trial window. Shares Action and Indie with Accretion.

    Grab your balloon crossbow and trusty inflatable hammer, because things are about to get wobbly! Be the last weirdo standing in the world-leading physics-based Battle Royale game.

    2018ActionIndieFree To PlayFreeDeck PlayableFree to playSimilar games →
  8. 8
    PlanetSide 2 — Steam game cover

    PlanetSide 2

    Free-to-play alternative to Accretion — no purchase or trial window. Shares Action with Accretion.

    PlanetSide 2 is an all-out planetary war, where thousands of players battle as one across enormous continents. Utilize infantry, ground and air vehicles, and teamwork to destroy your enemies in this revolutionary first-person shooter on a massive scale.

    2012ActionMassively MultiplayerFree To PlayFreeDeck PlayableFree to playSimilar games →
  9. 9
    The Life of a Magical Circle — Steam game cover

    The Life of a Magical Circle

    Free-to-play alternative to Accretion — no purchase or trial window. Shares Action and Indie with Accretion.

    Control a circle with your mouse. Eat smaller circles and uncover the rules of a strange geometric world. Experiment, die, and be reborn until you understand your purpose; then come full circle with your mysterious narrator.

    2023ActionIndieFree To PlayFreeDeck PlayableFree to playSimilar games →