IMHO.

Free games like Ghost Signal: A Stellaris Game

Below are 8 free-to-play Steam games similar to Ghost Signal: A Stellaris Game, 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 Ghost Signal: A Stellaris Game page.

Ranked picks

  1. 1
    Life is Strange - Episode 1 — Steam game cover

    Life is Strange - Episode 1

    Free-to-play alternative to Ghost Signal: A Stellaris Game — no purchase or trial window. Shares Action and Adventure with Ghost Signal: A Stellaris Game.

    Episode 1 now FREE! Life is Strange is an award-winning and critically acclaimed episodic adventure game that allows the player to rewind time and affect the past, present and future.

    2015ActionAdventureFreeDeck PlayableFree to playSimilar games →
  2. 2
    Indigo Park: Chapter 1 — Steam game cover

    Indigo Park: Chapter 1

    Free-to-play alternative to Ghost Signal: A Stellaris Game — no purchase or trial window. Shares Action and Adventure with Ghost Signal: A Stellaris Game.

    Explore the abandoned childhood wonder of Indigo Park! Guided by Rambley the Raccoon, help restore power to the destroyed amusement park while you run from the reason it shut down.

    2024ActionIndieAdventureFreeDeck PlayableFree to playSimilar games →
  3. 3
    The Looker — Steam game cover

    The Looker

    Free-to-play alternative to Ghost Signal: A Stellaris Game — no purchase or trial window.

    You wake up, alone, on a strangely familiar island full of puzzles that will frustrate and annoy you.

    2022IndieFreeDeck PlayableFree to playSimilar games →
  4. 4
    Star Fetchers — Steam game cover

    Star Fetchers

    Free-to-play alternative to Ghost Signal: A Stellaris Game — no purchase or trial window. Shares Action and Adventure with Ghost Signal: A Stellaris Game.

    The introduction to a wild ride with gangsters and deep state conspiracy theories

    2020ActionIndieAdventureFreeDeck PlayableFree to playSimilar games →
  5. 5
    The Lab — Steam game cover

    The Lab

    Free-to-play alternative to Ghost Signal: A Stellaris Game — no purchase or trial window.

    Welcome to The Lab, a compilation of Valve’s room-scale VR experiments set in a pocket universe within Aperture Science. Fix a robot, defend a castle, adopt a mechanical dog, and more. Still not sold? It’s free!

    2016Free To PlayFreeFree to playSimilar games →
  6. 6
    Z.A.T.O. // I Love the World and Everything In It — Steam game cover

    Z.A.T.O. // I Love the World and Everything In It

    Free-to-play alternative to Ghost Signal: A Stellaris Game — no purchase or trial window. Shares Adventure with Ghost Signal: A Stellaris Game.

    USSR, 1986. A girl goes missing in the closed city of Vorkuta-5, yet not a soul seems to be concerned. Uncover the mystery behind her disappearance and transmit your signal to the universe.

    2025IndieAdventureFree To PlayFreeDeck VerifiedFree to playSimilar games →
  7. 7
    DORONKO WANKO — Steam game cover

    DORONKO WANKO

    Free-to-play alternative to Ghost Signal: A Stellaris Game — no purchase or trial window. Shares Action with Ghost Signal: A Stellaris Game.

    『DORONKO WANKO』 is a DORONKO Action Game. In this game, You can become a cute, innocent Pomeranian, make your master's home messy and dirty. "Will the master be angry with me?" Don't worry. Because you are a sweet doggie.

    2024ActionSimulationFree To PlayFreeFree to playSimilar games →
  8. 8
    Epic Battle Fantasy 3 — Steam game cover

    Epic Battle Fantasy 3

    Free-to-play alternative to Ghost Signal: A Stellaris Game — no purchase or trial window. Shares Adventure with Ghost Signal: A Stellaris Game.

    Epic Battle Fantasy 3 is a silly turn-based JRPG, full of useless NPCs, rabid cats, childish humor, unreasonably large weapons, anime boobs, and other nonsense. And it's totally free!

    2016IndieAdventureRPGFreeDeck PlayableFree to playSimilar games →