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Free games like SPACECOM

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

Ranked picks

  1. 1
    Istrolid — Steam game cover

    Istrolid

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

    In Istrolid you design your own unique spaceships from a large number of parts to fit your strategy and play style. With no set units or factions you are free to create a fleet where each ship has its own balanced strengths and weaknesses, from basic fighters and bombers to hulking battleships and speedy destroyers.

    2016StrategyIndieFree To PlayFreeFree to playSimilar games →
  2. 2
    War of Dots — Steam game cover

    War of Dots

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

    Easy to learn, hard to master. A simple & free RTS game.

    2026CasualIndieStrategyFreeFree to playSimilar games →
  3. 3
    Star Realms — Steam game cover

    Star Realms

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

    Star Realms is a hugely popular space combat deckbuilding game. Download and play today (note: base set is required to play online) to find out why Star Realms is the winner of SXSW 2014 Board Game of the Year, 7 Golden Geek Awards from BoardGameGeek, and 2 Dice Tower awards!

    2016StrategyFreeDeck PlayableFree to playSimilar games →
  4. 4
    Zero-K — Steam game cover

    Zero-K

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

    With 100+ truly unique units, Zero-K is an RTS of freedom and creativity, tempered by a decade of refinement. Sculpt land into a castle and throw invaders off it with a Jugglenaut. Explore a massive campaign, solo or co-op. Hop online for epic 32 player battles or fast paced 1v1, on 100s of maps.

    2018StrategyIndieSimulationFreeFree to playSimilar games →
  5. 5
    Dota 2 — Steam game cover

    Dota 2

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

    Every day, millions of players worldwide enter battle as one of over a hundred Dota heroes. And no matter if it's their 10th hour of play or 1,000th, there's always something new to discover. With regular updates that ensure a constant evolution of gameplay, features, and heroes, Dota 2 has taken on a life of its own.

    2013ActionStrategyFree To PlayFreeDeck PlayableFree to playSimilar games →
  6. 6
    Tom Clancy's Rainbow Six Siege — Steam game cover

    Tom Clancy's Rainbow Six Siege

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

    Rainbow Six® Siege is the reference in tactical team shooters, where elite strategy and execution triumph. Enjoy free access to Quick Match, Unranked, and Dual Front game modes with a selection of operators.

    2015ActionFree To PlayFreeFree to playSimilar games →
  7. 7
    Splitgate — Steam game cover

    Splitgate

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

    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 →
  8. 8
    Counter-Strike 2 — Steam game cover

    Counter-Strike 2

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

    For over two decades, Counter-Strike has offered an elite competitive experience, one shaped by millions of players from across the globe. And now the next chapter in the CS story is about to begin. This is Counter-Strike 2.

    2012ActionFree To PlayFreeDeck PlayableFree to playSimilar games →
  9. 9
    Microsoft Allegiance — Steam game cover

    Microsoft Allegiance

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

    Allegiance is a team-based multiplayer space combat sim that seamlessly combines first-person space combat with a top-down-view perspective, real time strategy, and real time tactics. Team commanders build bases, research technology, and coordinate players to execute a wide range of strategies.

    2017ActionSimulationStrategyFreeFree to playSimilar games →