IMHO.

Games like Star Sine Signal

If Star Sine Signal is your kind of game, the closest matches are Is Anybody There?, Echoes of Absence and Dreadline Express — picked from the ranked list below. 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 Star Sine Signal: An otherworldly being has trapped you in their mysterious extradimensional prison. Explore a home ripped from time, activate the signals, and follow them to free that which binds you in this surreal first-person non-linear puzzle game.

IndieAdventureWindowsby Derek Glennon
Star Sine Signal — Steam game cover

Players who liked Star Sine Signal also play

Steam players who put hours into Star Sine Signal 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. Is Anybody There?

    WHY THIS

    Top pick for Star Sine Signal fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with Star Sine Signal.

    Step into the role of a blind boy hunted by a paranormal entity. Can you avoid being kidnapped by navigating the world through echolocation and listening for every rustle?

    IndieAdventureSteam ↗
  2. Echoes of Absence

    WHY THIS

    Second-strongest match for Star Sine Signal fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with Star Sine Signal.

    A narrative psychological horror game where you'll explore different environments and fragments of your past. Solve puzzles and uncover a truth some would rather forget.

    IndieAdventureSteam ↗
  3. Dreadline Express

    WHY THIS

    Third-strongest match for Star Sine Signal fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with Star Sine Signal.

    Dreadline Express is a 1st-person, psychological horror metroidbrainia set aboard the last human train. Unravel mysteries of the enigmatic train, face strange passengers, and shape your path using a unique card-based mechanic that gives you full narrative control. This is no longer our world.

    2026IndieAdventureSteam ↗
  4. NULL

    WHY THIS

    Ranked #4 for Star Sine Signal fans by collaborative filtering across millions of Steam libraries. Shares Indie and Adventure with Star Sine Signal.

    A first-person psychological horror game about grief, obsession, and love. Sleep to enter dreams, take control of them, and descend into deeper layers where time moves slower. Explore, solve puzzles, and uncover the mystery of a grieving father who created a world frozen in time.

    2026IndieAdventureSteam ↗
  5. HOLLOW MIRE

    WHY THIS

    Ranked #5 for Star Sine Signal fans by collaborative filtering across millions of Steam libraries. Shares Adventure with Star Sine Signal.

    A war hero returns to a shattered England, searching for his missing family while confronting nightmares that defy reality. A choice-driven narrative thriller with 8 unique endings.

    AdventureSteam ↗
  6. Rehaunted

    WHY THIS

    Ranked #6 for Star Sine Signal fans by collaborative filtering across millions of Steam libraries. Shares Adventure with Star Sine Signal.

    Enter a house where every clue feels wrong. Investigate a brutal crime scene, uncover hidden evidence, and use your detective tools to piece together a disturbing truth buried beneath the silence.

    2026Adventure7.19 USDSteam ↗
  7. NEXT OBJECTIVE

    WHY THIS

    Ranked #7 for Star Sine Signal fans by collaborative filtering across millions of Steam libraries. Shares Adventure with Star Sine Signal.

    The objective marker IS the monster. Play as Tom, a very obedient boy, and teach him how to disobey. Leave the playable area, break the rules, and fight back against a game that wants you to stay on script.

    AdventureSteam ↗
  8. Arctic Grave

    WHY THIS

    Ranked #8 for Star Sine Signal fans by collaborative filtering across millions of Steam libraries. Shares Adventure with Star Sine Signal.

    Uncover the mystery of an arctic cargo outpost's lost crew in this horror game. Take in the frozen sea and delve into the depths of the facility, finding items and uncovering new paths with each one to learn what really happened here. But be careful, because something else might be here with you.

    2026AdventureSteam ↗

Free alternatives

Free-to-play games that recommended players of this title also tend to enjoy.

  1. Doki Doki Literature Club!

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Star Sine Signal.

    The Literature Club is full of cute girls! Will you write the way into their heart? This game is not suitable for children or those who are easily disturbed.

    2017IndieFree To PlayCasualFreeDeck PlayableSteam ↗
  2. Life is Strange - Episode 1

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Adventure with Star Sine Signal.

    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 PlayableSteam ↗
  3. Ultimate Custom Night

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Star Sine Signal.

    Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!

    2018ActionIndieFree To PlayFreeSteam ↗
  4. ENA: Dream BBQ

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Adventure with Star Sine Signal.

    Experience surreal environments and inexplicable characters as ENA in a new wild world.

    2025IndieAdventureFreeDeck VerifiedSteam ↗
  5. The Murder of Sonic the Hedgehog

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Star Sine Signal.

    Sonic the Hedgehog...was murdered!? Get to the bottom of the mystery in this brand-new adventure!

    2023IndieSimulationFree To PlayFreeDeck PlayableSteam ↗
  6. Indigo Park: Chapter 1

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Adventure with Star Sine Signal.

    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 PlayableSteam ↗
  7. STRAFTAT

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it.

    STRAFTAT is a 1v1/2v2 ONLINE first person SHOOTER with quick rounds in over 350 MAPS ; Including all WEAPONS, proximity chat and 4 players FFA.

    2024ActionFreeDeck PlayableSteam ↗
  8. The Looker

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Star Sine Signal.

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

    2022IndieFreeDeck PlayableSteam ↗

Frequently asked about Star Sine Signal

What games are most similar to Star Sine Signal?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Star Sine Signal are Is Anybody There?, Echoes of Absence, Dreadline Express.
Who developed Star Sine Signal?
Star Sine Signal was developed by Derek Glennon.

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 Star Sine Signal.

For library-aware picks tuned to your specific taste, sign in with Steam on the home page.