IMHO.

Single-player games like SIGNAL LOST

Below are 8 single-player Steam games similar to SIGNAL LOST, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.

Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like SIGNAL LOST page.

Ranked picks

  1. 1
    Ghostpunk — Steam game cover

    Ghostpunk

    Single-player alternative to SIGNAL LOST — playable solo, no multiplayer required. Shares Indie and Adventure with SIGNAL LOST.

    Investigate paranormal cases using a 1990s CRT terminal. Analyze photos. Decode audio. Interrogate suspects and decide what’s real, what’s fake and who’s lying. But the deeper you go, the more the system starts watching you back.

    StrategyIndieAdventureSingle-playerSimilar games →
  2. 2
    Neonova — Steam game cover

    Neonova

    Single-player alternative to SIGNAL LOST — playable solo, no multiplayer required. Shares Simulation with SIGNAL LOST.

    As an Administration A.I. of a deep space probe, you're tasked with scanning and reporting back about a new galaxy. You'll weather cosmic events, witness oddities of the universe, and fly through points of interest to find answers for the base station.

    2024Simulation4.99 USDSingle-playerSimilar games →
  3. 3
    Star Boss — Steam game cover

    Star Boss

    Single-player alternative to SIGNAL LOST — playable solo, no multiplayer required. Shares Indie and Simulation with SIGNAL LOST.

    Make robots and spaceships,explore the space,fight with aliens.

    2022IndieSimulationCasual7.99 USDSingle-playerSimilar games →
  4. 4
    Void Future: Hacking Protocol — Steam game cover

    Void Future: Hacking Protocol

    Single-player alternative to SIGNAL LOST — playable solo, no multiplayer required. Shares Indie and Simulation with SIGNAL LOST.

    In Void Future: Hacking Protocol, you play as a hacker in a cyberpunk world ruled by corporations. Hack, solve puzzles, and uncover a global conspiracy. Hunted by a system that never sleeps, you’ll need to stay hidden, outsmart surveillance, and fight to survive.

    2026IndieSimulation12.74 USDSingle-playerSimilar games →
  5. 5
    Code My Robot Vacuum — Steam game cover

    Code My Robot Vacuum

    Single-player alternative to SIGNAL LOST — playable solo, no multiplayer required. Shares Indie and Adventure with SIGNAL LOST.

    Code My Robot Vacuum is a game where you learn to code while cleaning! Program your robot vacuum to solve increasingly complex cleaning challenges. Navigate mazes and upgrade your robot's abilities. Perfect for beginners learning to code and puzzle enthusiasts who love logical problem-solving.

    2026ActionStrategyIndie5.09 USDSingle-playerSimilar games →
  6. 6
    Hifuu OS: Hack Into the Barrier — Steam game cover

    Hifuu OS: Hack Into the Barrier

    Single-player alternative to SIGNAL LOST — playable solo, no multiplayer required. Shares Indie and Adventure with SIGNAL LOST.

    Hifuu OS: Immersive hacking simulator based on the Touhou Project. Play as Renko Usami, learn and use authentic terminal commands to hack into the Great Hakurei Barrier. Unravel the truth behind Maribel Hearn's mysterious coma as you search through Gensokyo's secret and private documents.

    IndieAdventureSimulationFreeSingle-playerSimilar games →
  7. 7
    accelerating hotkeys — Steam game cover

    accelerating hotkeys

    Single-player alternative to SIGNAL LOST — playable solo, no multiplayer required. Shares Indie and Simulation with SIGNAL LOST.

    Try and survive working as a corporate drone while typing your anger away, making money hand over fist.

    2022ActionIndieSimulation4.99 USDSingle-playerSimilar games →
  8. 8
    Hacker Evolution — Steam game cover

    Hacker Evolution

    Single-player alternative to SIGNAL LOST — playable solo, no multiplayer required. Shares Simulation with SIGNAL LOST.

    Hacker Evolution is a hacking simulation game, featuring unparalleled graphics and features. You play the role of a former intelligence agent, specializing in computer security. When a chain of events sets off worldwide, leaving critical service disabled, you assume the role a computer hacker to find out what happened and attempt to stop...

    2010Simulation2.99 USDSingle-playerSimilar games →