IMHO.

Games like Signal Zero

If Signal Zero is your kind of game, the closest matches are Cluster - Roguelike Tower Defense, Out A Space and Curse of Deflection — 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.

Get personalized picks →

About Signal Zero: A sci-fi roguelike shooter where aim and movement are unified into one mouse. Pilot a Simuler, command your ship, deploy escorts, and tear through colossal bosses. Easy to grasp, ruthless under pressure.

2026ActionIndieAdventureWindowsby Seosul Games
Signal Zero — Steam game cover

Players who liked Signal Zero also play

Steam players who put hours into Signal Zero 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. Cluster - Roguelike Tower Defense

    WHY THIS

    Top pick for Signal Zero fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Signal Zero.

    A roguelike tower defense game where you strengthen your single tower through a tactical cluster board. Rotate, connect, and optimize cluster cards between waves, survive 30 waves, and take on Hardcore Endless mode with online leaderboards. Will you be able to keep up with the best?

    2026ActionIndieCasual5.99 USDSteam ↗
  2. Out A Space

    WHY THIS

    Second-strongest match for Signal Zero fans by collaborative filtering across millions of Steam libraries. Shares Action with Signal Zero.

    Out A Space is a fast-paced, top-down space roguelike combining arcade action with tactical fleet management. Deploy your fleet on a pre-battle grid, customize ship loadouts, and chain weapon effects to shatter enemy armadas from your flagship as you cross the galaxy to uncover an ancient secret.

    2027ActionSteam ↗
  3. Curse of Deflection

    WHY THIS

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

    Curse of Deflection is an action roguelike where you bounce through a dungeon. Hit enemies with your weapons but watch out for where your trajectory leads next. Choose an adventurer and enter the dungeon to find loot and powerful weapons. Choose your build carefully because death comes at you fast.

    ActionIndieSteam ↗
  4. Astrum Vanguard

    WHY THIS

    Ranked #4 for Signal Zero fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Signal Zero.

    In Astrum Vanguard, a 2D horde-survival with bullet hell components, you pilot and upgrade your spaceship to defeat countless alien creatures. Survive the endless onslaught in the cosmic battlefield!

    ActionIndieCasualSteam ↗
  5. Null Orbit

    WHY THIS

    Ranked #5 for Signal Zero fans by collaborative filtering across millions of Steam libraries. Shares Action with Signal Zero.

    Put together experimental weaponry to fill the screen with bullets and defend yourself from endless waves of foes

    ActionSteam ↗
  6. Cosmic Mart

    WHY THIS

    Ranked #6 for Signal Zero fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Signal Zero.

    Step into Cosmic Mart, the space supermarket where the deal of the day is certain death. Wipe out the relentless alien infestation devouring the facility in this frantic action roguelike. Choose your mercenary and survive long enough to reach the sixth floor.

    2026ActionIndieAdventure3.39 USDSteam ↗
  7. Drone Break

    WHY THIS

    Ranked #7 for Signal Zero fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Signal Zero.

    Run and Gun Roguelite where the goal is to upgrade each consecutive alien drone on death so the next can strive to become overpowered enough to escape the all consuming hive mind.

    2024ActionIndieAdventure9.99 USDSteam ↗
  8. Galactic Mecha GunSuit

    WHY THIS

    Ranked #8 for Signal Zero fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Signal Zero.

    A linear danmaku shoot-em-up with some visual novel elements. Clear 6 stages across 4 difficult settings, each with unique enemy spawns, bullet patterns and boss phases. The game is structured to have each difficulty cleared in sequence, with the full plot unfolding across each one. 

    2026ActionIndieSteam ↗

Free alternatives

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

  1. Life is Strange - Episode 1

    WHY THIS

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

    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 ↗
  2. Indigo Park: Chapter 1

    WHY THIS

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

    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 ↗
  3. STRAFTAT

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with Signal Zero.

    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 ↗
  4. Counter-Strike:Global Offensive

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with Signal Zero.

    Counter-Strike:Global Offensive (CS:GO) expands upon the team-based action gameplay that it pioneered when it was launched over 2 decades ago. CS:GO features new maps, characters, weapons, and game modes, and delivers updated versions of the classic CS content (de_dust2, etc.).

    2012ActionFree To PlayFreeDeck PlayableSteam ↗
  5. Awaria

    WHY THIS

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

    Awaria is a short game about working in haunted maintenance tunnels.

    2024ActionIndieFree To PlayFreeDeck PlayableSteam ↗
  6. The Expendabros

    WHY THIS

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

    The Expendabros have assembled and set their sights on the forces of ruthless arms dealer Conrad Stonebanks in the forests of Eastern Europe.

    2014ActionIndieAdventureFreeDeck VerifiedSteam ↗
  7. Disfigure

    WHY THIS

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

    Disfigure is a grim-dark action rogue-like where you battle relentless hordes of monsters lurking in the shadows. Unlock powerful weapons, craft god-like builds with hundreds of upgrades, slay colossal bosses, and push your limits in intense 20–30 minute survival runs!

    2023ActionIndieFreeDeck PlayableSteam ↗
  8. The Lab

    WHY THIS

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

    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 PlayFreeSteam ↗

Frequently asked about Signal Zero

What games are most similar to Signal Zero?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Signal Zero are Cluster - Roguelike Tower Defense, Out A Space, Curse of Deflection.
Who developed Signal Zero?
Signal Zero was developed by Seosul Games.

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 Signal Zero.

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