IMHO.

Free games like Ridiculous Space Battles

Below are 9 free-to-play Steam games similar to Ridiculous Space Battles, 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 Ridiculous Space Battles page.

Ranked picks

  1. 1
    Counter-Strike:Global Offensive — Steam game cover

    Counter-Strike:Global Offensive

    Free-to-play alternative to Ridiculous Space Battles — no purchase or trial window.

    Counter-Strike:Global Offensive (CS:GO) expands upon the team-based action gameplay that it pioneered when it was launched over 2 decades ago. CS:GO features new maps, characters, weapons, and game modes, and delivers updated versions of the classic CS content (de_dust2, etc.).

    2012ActionFree To PlayFreeDeck PlayableFree to playSimilar games →
  2. 2
    Landfall Archives — Steam game cover

    Landfall Archives

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

    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 →
  3. 3
    Aircar — Steam game cover

    Aircar

    Free-to-play alternative to Ridiculous Space Battles — no purchase or trial window. Shares Indie with Ridiculous Space Battles.

    A simple immersive flying game built for VR. Pilot an aircar through a futuristic cityscape.

    2019IndieFree To PlayCasualFreeFree to playSimilar games →
  4. 4
    South Scrimshaw, Part One — Steam game cover

    South Scrimshaw, Part One

    Free-to-play alternative to Ridiculous Space Battles — no purchase or trial window. Shares Indie with Ridiculous Space Battles.

    South Scrimshaw is the story of a newborn whale in a vast alien ocean. It is a richly illustrated experimental visual novel, written in the style of a nature documentary.

    2023IndieCasualFreeDeck PlayableFree to playSimilar games →
  5. 5
    The Riftbreaker: Prologue — Steam game cover

    The Riftbreaker: Prologue

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

    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 →
  6. 6
    Counter-Strike 2 — Steam game cover

    Counter-Strike 2

    Free-to-play alternative to Ridiculous Space Battles — 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 →
  7. 7
    Tom Clancy's Rainbow Six Siege — Steam game cover

    Tom Clancy's Rainbow Six Siege

    Free-to-play alternative to Ridiculous Space Battles — 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 →
  8. 8
    THE FINALS — Steam game cover

    THE FINALS

    Free-to-play alternative to Ridiculous Space Battles — no purchase or trial window.

    THE FINALS is the world’s first Dynamism Shooter, a free-to-play, fast-paced, physics-driven, first-person shooter set on the stage of the biggest Gameshow of the future! Fight for Fans and fortune in fully-destructible, virtual Arenas that guarantee no two rounds will ever play the same!

    2023ActionFree To PlayFreeDeck PlayableFree to playSimilar games →
  9. 9
    World of Warships — Steam game cover

    World of Warships

    Free-to-play alternative to Ridiculous Space Battles — no purchase or trial window. Shares Strategy and Simulation with Ridiculous Space Battles.

    Immerse yourself in thrilling naval battles and assemble an armada of over 800 ships from the first half of the 20th century — from stealthy destroyers to gigantic battleships. Change the look of your ship, choose upgrades to suit your play style, and go into battle with other players!

    2017ActionStrategySimulationFreeDeck PlayableFree to playSimilar games →