IMHO.

Single-player games like Deep Scanner

Below are 8 single-player Steam games similar to Deep Scanner, 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 Deep Scanner page.

Ranked picks

  1. 1
    Sector YAMA — Steam game cover

    Sector YAMA

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

    Sci-fi military action-rts. Play as a space soldier, abandoned by the command on an alien planet. Find allies, gather resources, train new troops, and escape from Sector Yama. Casual "single-stick shooter" controls, fun tactical combat, rewarding exploration, and rich storytelling.

    2024ActionStrategyIndie14.99 USDSingle-playerSimilar games →
  2. 2
    SYNCHRONIZERS: UNDEAD MARINES — Steam game cover

    SYNCHRONIZERS: UNDEAD MARINES

    Single-player alternative to Deep Scanner — playable solo, no multiplayer required. Shares Indie with Deep Scanner.

    "SYNCHRONIZERS: UNDEAD MARINES" blends high-quality Three-Lane Tower Defense with Reverse Tower Defense gameplay. Command your units in a thrilling narrative reminiscent of a StarCraft and Plants Vs. Zombies fusion! Your choices will forge the path to victory—or defeat.

    ActionStrategyIndieSingle-playerSimilar games →
  3. 3
    Iron Marines Invasion — Steam game cover

    Iron Marines Invasion

    Single-player alternative to Deep Scanner — playable solo, no multiplayer required. Shares Indie with Deep Scanner.

    Prepare to take off, soldier! The galaxy needs your strategy! Prove your RTS expertise, explore an entire galaxy and defend it from a threatening invasion.

    2023ActionStrategyIndie7.49 USDDeck PlayableSingle-playerSimilar games →
  4. 4
    Worbital — Steam game cover

    Worbital

    Single-player alternative to Deep Scanner — playable solo, no multiplayer required. Shares Indie with Deep Scanner.

    With the shifting gravity on your side, aim your cannons, blast your enemies and enjoy the fireworks. Worbital is a real-time strategic artillery game in space, peppered with a heavy dose of cosmic chaos. The goal: be the last civilization standing!

    2019ActionStrategyIndie12.99 USDDeck VerifiedSingle-playerSimilar games →
  5. 5
    Space Reign — Steam game cover

    Space Reign

    Single-player alternative to Deep Scanner — playable solo, no multiplayer required. Shares Indie with Deep Scanner.

    An indie space-sim and strategy game featuring ship and fleet combat mixed with RTS elements. Complete contracts and Claim sectors for your faction in the near-future, where resource exploiting corporations are in a state of constant conflict over territory control.

    2026ActionStrategyIndie15.99 USDDeck PlayableSingle-playerSimilar games →
  6. 6
    Star Command Galaxies — Steam game cover

    Star Command Galaxies

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

    Take command in the ultimate starship simulator: Star Command Galaxies. Become a Captain, recruit your crew, customize and upgrade your starship, battle alien vessels, teleport to away missions and repel boarding invaders in this real-time strategy simulation adventure from indie studio Warballoon.

    2024ActionStrategyIndie14.99 USDSingle-playerSimilar games →
  7. 7
    Nova-111 — Steam game cover

    Nova-111

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

    Pilot your trusty orange vessel in this quirky sci-fi strategy game that cleverly mixes turn-based and real-time gameplay. Your mission: fix space-time and recover all the scientists lost in the aftermath of the Universe's Greatest Science Experiment.

    2015ActionStrategyIndie4.99 USDDeck VerifiedSingle-playerSimilar games →
  8. 8
    Lacuna – A Sci-Fi Noir Adventure — Steam game cover

    Lacuna – A Sci-Fi Noir Adventure

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

    A murder. A hack. A bombing. All it takes to plunge the solar system into war – unless you do something about it. Help CDI agent Neil Conrad make a string of increasingly difficult decisions in this modern dialog-driven adventure set in a gorgeous 2D sci-fi noir universe.

    2021IndieAdventure15.99 USDDeck VerifiedSingle-playerSimilar games →