IMHO.

Games like Istrolid

If Istrolid is your kind of game, the closest matches are Planetary Annihilation: TITANS, StarMade and Space Engineers — picked from the ranked list below. Reviewers single out its campaign unlocks parts gradually, customize fleets from scratch and challenging. Each pick is ranked by what players of this game also play, shared genres and tags, and review-mined similarity — not a generic popularity list.

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About Istrolid: 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 PlayFree to playWindows · macOS · Linuxby treeform
Istrolid — Steam game cover
Players highlight
Ai controlled fleets reduce micro managementCampaign unlocks parts graduallyCustomize fleets from scratchChallengingContemplativeIntense

Players who liked Istrolid also play

Steam players who put hours into Istrolid also tend to own these titles — a signal called collaborative filtering. imho.run cross-references millions of library ownership patterns to surface games whose real audiences overlap, regardless of whether their genre tags match.

  1. Planetary Annihilation: TITANS

    WHY THIS

    Shares an intense mood with Istrolid.

    Top pick for Istrolid fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Istrolid.

    Wage war across entire solar systems with massive armies at your command. Annihilate enemy forces with world-shattering TITAN-class units, and demolish planets with massive super weapons!

    2015ActionStrategyIndie29.99 USDDeck PlayableSteam ↗
  2. StarMade

    WHY THIS

    Shares a challenging mood with Istrolid.

    Second-strongest match for Istrolid fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Istrolid.

    The ultimate space sandbox. Participate in epic fleet battles, form alliances, strive to dominate entire galaxies and harness the universe’s resources for your industrious empire or the destruction of others. Customise your experience, the universe is yours!

    2014ActionStrategyIndie14.99 USDSteam ↗
  3. Space Engineers

    WHY THIS

    Shares a challenging mood with Istrolid.

    Third-strongest match for Istrolid fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Istrolid.

    Space Engineers is a sandbox engineering game where you design and build ships, stations, and planetary bases in a fully destructible environment. Explore planets and space, mine resources, survive hazards, and engage in combat alone or with friends in Creative or Survival modes.

    2019ActionStrategyIndie9.99 USDSteam ↗
  4. Mindustry

    WHY THIS

    Shares an intense mood with Istrolid.

    Ranked #4 for Istrolid fans by collaborative filtering across millions of Steam libraries. Shares Strategy with Istrolid.

    An open-ended factory management game with RTS and tower defense elements.

    2019Strategy9.99 USDDeck PlayableSteam ↗
  5. Robocraft

    WHY THIS

    Shares a challenging mood with Istrolid.

    Ranked #5 for Istrolid fans by collaborative filtering across millions of Steam libraries. Shares Indie with Istrolid.

    Build insane, fully customisable robot battle vehicles that drive, hover, walk and fly in the free-to-play action game Robocraft. Add weapons from the future and jump in the driving seat as you take your creation into battle against other players online!

    2017ActionIndieSimulationDeck PlayableSteam ↗
  6. Spacebase Startopia

    WHY THIS

    Shares a challenging mood with Istrolid.

    Ranked #6 for Istrolid fans by collaborative filtering across millions of Steam libraries. Shares Strategy with Istrolid.

    Spacebase Startopia captivates with its original mixture of economic simulation and empire building strategy paired with classic RTS skirmishes and a good dose of humor.

    2021StrategySimulation39.99 USDDeck VerifiedSteam ↗
  7. Starbound

    WHY THIS

    Ranked #7 for Istrolid fans by collaborative filtering across millions of Steam libraries. Shares Indie with Istrolid.

    You’ve fled your home, only to find yourself lost in space with a damaged ship. Your only option is to beam down to the planet below, repair your ship and set off to explore the universe...

    2016ActionIndieAdventure14.99 USDDeck PlayableSteam ↗
  8. Battlefleet Gothic: Armada 2

    WHY THIS

    Shares a challenging mood with Istrolid.

    Ranked #8 for Istrolid fans by collaborative filtering across millions of Steam libraries. Shares Strategy with Istrolid.

    Battlefleet Gothic: Armada 2 is the new real-time strategy game adapted from Games Workshop’s famous tabletop game that portrays the epic space battles of the Warhammer 40,000 universe.

    2019Strategy19.99 USDDeck PlayableSteam ↗

Frequently asked about Istrolid

Is Istrolid free to play?
Yes — Istrolid is a free-to-play title on Steam. You can install and play it without buying anything, though some games include optional in-app purchases.
Does Istrolid have multiplayer or co-op?
Yes — Istrolid supports multi-player play according to its Steam store listing (Multi-player, Cross-Platform Multiplayer, Online PvP).
What games are most similar to Istrolid?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Istrolid are Planetary Annihilation: TITANS, StarMade, Space Engineers.
Who developed Istrolid?
Istrolid was developed by treeform.

imho.run ranks Steam game alternatives using a mix of collaborative filtering (ALS / iALS / EASE / LightGCN), content scoring over genres, categories, Steam tags, developers, and publishers, plus AI-extracted vibes mined from review text. The page above is generated in seed mode anchored on Istrolid.

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8 Games Like Istrolid — Ranked for 2026 · imho.run