IMHO.

Free games like Ship of the line

Below are 8 free-to-play Steam games similar to Ship of the line, 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 Ship of the line page.

Ranked picks

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

    Counter-Strike:Global Offensive

    Free-to-play alternative to Ship of the line — 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 Ship of the line — no purchase or trial window. Shares Strategy with Ship of the line.

    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
    Electoral Carnage — Steam game cover

    Electoral Carnage

    Free-to-play alternative to Ship of the line — no purchase or trial window. Shares Early Access with Ship of the line.

    Electoral Carnage is an absurd 2D fighting game featuring America's most famous (and infamous) politicians. If you don't download it you hate America. Also JFK can assassinate himself. What more do you need to know?

    2026ActionFree To PlayEarly AccessFreeDeck PlayableFree to playSimilar games →
  4. 4
    NERTS! Online — Steam game cover

    NERTS! Online

    Free-to-play alternative to Ship of the line — no purchase or trial window.

    NERTS! Online is a fast-paced competitive solitaire game for you and up to five of your friends, played the same way we play it at the Zachtronics office!

    2021ActionIndieFree To PlayFreeFree to playSimilar games →
  5. 5
    The Last Sovereign — Steam game cover

    The Last Sovereign

    Free-to-play alternative to Ship of the line — no purchase or trial window. Shares Strategy with Ship of the line.

    Explore a world torn between armies of lust and purity in which everything is more complex than it seems, deciding the fate of nations through might, politics, and finance. Every decision matters in an intricate saga that tracks thousands of variables.

    2025StrategyIndieAdventureFreeDeck VerifiedFree 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 Ship of the line — no purchase or trial window. Shares Strategy and Simulation with Ship of the line.

    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
    Counter-Strike 2 — Steam game cover

    Counter-Strike 2

    Free-to-play alternative to Ship of the line — 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 →
  8. 8
    Dota 2 — Steam game cover

    Dota 2

    Free-to-play alternative to Ship of the line — no purchase or trial window. Shares Strategy with Ship of the line.

    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 →