IMHO.

Free games like Game of Planets

Below are 14 free-to-play Steam games similar to Game of Planets, 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 Game of Planets page.

Ranked picks

  1. 1
    Paladins® — Steam game cover

    Paladins®

    Free-to-play alternative to Game of Planets — no purchase or trial window. Shares Strategy and Massively Multiplayer with Game of Planets.

    Paladins is the ultimate fantasy team-based shooter experience, with over 50 customizable Champions fighting in 5v5 action across a diverse Realm of modes and maps!

    2018ActionStrategyAdventureFreeFree to playSimilar games →
  2. 2
    Splitgate — Steam game cover

    Splitgate

    Free-to-play alternative to Game of Planets — no purchase or trial window.

    Splitgate is a free-to-play, fast-paced multiplayer shooter that features player-controlled portals. This sci-fi shooter takes the FPS genre to a new dimension with its portal mechanics, delivering high-flying, multi-dimensional combat.

    2019ActionIndieFree To PlayFreeFree to playSimilar games →
  3. 3
    Totally Accurate Battlegrounds — Steam game cover

    Totally Accurate Battlegrounds

    Free-to-play alternative to Game of Planets — no purchase or trial window.

    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 →
  4. 4
    STAR WARS™: The Old Republic™ — Steam game cover

    STAR WARS™: The Old Republic™

    Free-to-play alternative to Game of Planets — no purchase or trial window. Shares Massively Multiplayer with Game of Planets.

    STAR WARS™: The Old Republic™ is a free-to-play MMORPG that puts you at the center of your own story-driven saga. Play as a Jedi, Sith, Bounty Hunter, or one of many other iconic STAR WARS roles in the galaxy far, far away over three thousand years before the classic films.

    2020Massively MultiplayerRPGFree To PlayFreeDeck PlayableFree to playSimilar games →
  5. 5
    PlanetSide 2 — Steam game cover

    PlanetSide 2

    Free-to-play alternative to Game of Planets — no purchase or trial window. Shares Massively Multiplayer with Game of Planets.

    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 →
  6. 6
    Super Auto Pets — Steam game cover

    Super Auto Pets

    Free-to-play alternative to Game of Planets — no purchase or trial window. Shares Strategy with Game of Planets.

    Build the strongest team of pets and tussle with your friends!

    2021StrategyFree To PlayFreeDeck PlayableFree to playSimilar games →
  7. 7
    Minion Masters — Steam game cover

    Minion Masters

    Free-to-play alternative to Game of Planets — no purchase or trial window. Shares Strategy with Game of Planets.

    An addictive fast-paced hybrid of Card games & Tower-Defense. Play 1v1 - or bring a friend for 2v2 - and engage in epic online multiplayer battles full of innovative strategy and awesome plays! Collect 200+ cards with unique mechanics, all free!

    2019ActionStrategyIndieFreeFree to playSimilar games →
  8. 8
    Bloons TD Battles 2 — Steam game cover

    Bloons TD Battles 2

    Free-to-play alternative to Game of Planets — no purchase or trial window. Shares Strategy with Game of Planets.

    From the creators of Bloons TD6... Bloons TD Battles 2 is a brand new installment of the top-rated head-to-head tower defense game. Gather your Hero, choose your team of powerful Monkey Towers, and prepare to battle one on one against other players and relentless waves of Bloons!

    2021ActionStrategyIndieFreeDeck PlayableFree to playSimilar games →
  9. 9
    Veyrasol — Steam game cover

    Veyrasol

    Free-to-play alternative to Game of Planets — no purchase or trial window. Shares Strategy and Massively Multiplayer with Game of Planets.

    Veyrasol is a real-time MMO strategy game set in the Veyra Spiral galaxy. Build colonies, command fleets, forge alliances, and battle for dominance across ~120-day seasons in this free-to-play browser-born strategy experience.

    2026StrategyMassively MultiplayerFree To PlayFreeFree to playSimilar games →
  10. 10
    Feudums — Steam game cover

    Feudums

    Free-to-play alternative to Game of Planets — no purchase or trial window. Shares Strategy and Massively Multiplayer with Game of Planets.

    Lead your noble house through brutal wars, shifting allegiances and economic strife in an asynchronous multiplayer 4X strategy. Shape the narrative with or against real players in a medieval world where diplomacy isn't binding, there is NO pay-to-win, and only strategy determines your legacy.

    2026StrategySimulationMassively MultiplayerFreeFree to playSimilar games →
  11. 11
    InfiniteConflict — Steam game cover

    InfiniteConflict

    Free-to-play alternative to Game of Planets — no purchase or trial window. Shares Strategy and Massively Multiplayer with Game of Planets.

    A free, tick-based strategy MMO where the clock never stops. Expand from one planet across six galaxies, command mega-fleets, and forge alliances. One turn every hour - a war that never sleeps.

    StrategyMassively MultiplayerFree To PlayFreeFree to playSimilar games →
  12. 12
    Doomsday × Ghost in the Shell — Steam game cover

    Doomsday × Ghost in the Shell

    Free-to-play alternative to Game of Planets — no purchase or trial window. Shares Strategy and Massively Multiplayer with Game of Planets.

    Fight the Posthuman crisis in the Ghost in the Shell collab!

    2023StrategyMassively MultiplayerRPGFreeDeck PlayableFree to playSimilar games →
  13. 13
    World of Tanks Blitz — Steam game cover

    World of Tanks Blitz

    Free-to-play alternative to Game of Planets — no purchase or trial window. Shares Strategy and Massively Multiplayer with Game of Planets.

    Blow off steam and tank turrets in a free-to-play online 7v7 tank shooter! Drive hundreds of tanks, from museum classics to "did-that-ever-exist?" specials, in quick 5 to 7-minute brawls packed with metal mayhem. Play solo or team up with a friend and enjoy smooth action even on modest hardware!

    2016ActionStrategySimulationFreeDeck PlayableFree to playSimilar games →
  14. 14
    EVE Online — Steam game cover

    EVE Online

    Free-to-play alternative to Game of Planets — no purchase or trial window. Shares Strategy and Massively Multiplayer with Game of Planets.

    Over 20 years of legendary space battles! Explore a massive living universe of danger and opportunity in a challenging and highly rewarding space adventure. Fight, trade, build, and connect with a universe driven and shaped directly by players.

    2010ActionStrategyMassively MultiplayerFreeDeck PlayableFree to playSimilar games →