IMHO.

Single-player games like Signal Decay

Below are 8 single-player Steam games similar to Signal Decay, 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 Decay page.

Ranked picks

  1. 1
    Streets of Rogue — Steam game cover

    Streets of Rogue

    Single-player alternative to Signal Decay — playable solo, no multiplayer required. Shares Action and Indie with Signal Decay.

    Fight, sneak, and hack your way through randomly generated cities. It's like Nuclear Throne meets Deus Ex, mixed with the anarchy of GTA. Rogue-lite meets immersive sim, and goes completely insane.

    2019ActionIndieAdventure3.99 USDDeck PlayableSingle-playerSimilar games →
  2. 2
    Satellite Reign — Steam game cover

    Satellite Reign

    Single-player alternative to Signal Decay — playable solo, no multiplayer required. Shares Action and Strategy with Signal Decay.

    Satellite Reign is a real-time, class-based strategy game, set in an open-world cyberpunk city. You command a group of 4 agents through rain-soaked, neon-lit streets, where the law is the will of mega-corporations.

    2015ActionStrategyIndie29.99 USDSingle-playerSimilar games →
  3. 3
    Kill to Collect — Steam game cover

    Kill to Collect

    Single-player alternative to Signal Decay — playable solo, no multiplayer required. Shares Action and Indie with Signal Decay.

    Welcome to the last city on Earth. Earn your keep and die trying in Pieces Interactive’s cyberpunk action rogue-like, featuring 1-4 player co-op. Travel down the sleepless cesspool of murderous vagrants and cybernetic freaks, as you slice and dice your way to the lower levels of Geoshelter Alpha.

    2016ActionIndieAdventure9.99 USDDeck VerifiedSingle-playerSimilar games →
  4. 4
    Black Future '88 — Steam game cover

    Black Future '88

    Single-player alternative to Signal Decay — playable solo, no multiplayer required. Shares Action and Adventure with Signal Decay.

    Black Future ’88 is a Synth-Punk roguelike 2D action Shooter. Vertically climb an always evolving procedural tower to reach the top and kill its insane owner…before your heart explodes. Shoot, slash, dash and upgrade yourself to survive the endless waves of Homicidal AI, Traps & Colossal Wardens.

    2019ActionAdventure19.99 USDDeck VerifiedSingle-playerSimilar games →
  5. 5
    Invisible, Inc. — Steam game cover

    Invisible, Inc.

    Single-player alternative to Signal Decay — playable solo, no multiplayer required. Shares Action and Strategy with Signal Decay.

    Take control of Invisible's agents in the field and infiltrate the world's most dangerous corporations. Stealth, precision, and teamwork are essential in high-stakes, high-profit missions, where every move may cost an agent their life.

    2015ActionStrategyIndie19.99 USDDeck PlayableSingle-playerSimilar games →
  6. 6
    One Step From Eden — Steam game cover

    One Step From Eden

    Single-player alternative to Signal Decay — playable solo, no multiplayer required. Shares Action and Strategy with Signal Decay.

    Build a powerful deck, cast spells on the fly, battle evolving enemies, find game-changing artifacts, make friends or make enemies, just make it to Eden.

    2020ActionStrategyIndie7.99 USDDeck VerifiedSingle-playerSimilar games →
  7. 7
    Rampage Knights — Steam game cover

    Rampage Knights

    Single-player alternative to Signal Decay — playable solo, no multiplayer required. Shares Action and Indie with Signal Decay.

    Rampage Knights is a cooperative beat 'em up game mixed up with randomized dungeon crawling and exploration, which you can play alone or with a friend online.

    2015ActionIndieAdventure12.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Neon Chrome — Steam game cover

    Neon Chrome

    Single-player alternative to Signal Decay — playable solo, no multiplayer required. Shares Action and Indie with Signal Decay.

    A masterful combination of top-down shooter and endless replayability with procedural levels. Blast your way through walls & enemies with guns and cybernetic abilities. Install perks from cyber chambers and upgrade your character stats after each death. Can you stop the Overseer?

    2016ActionIndieAdventure14.99 USDSingle-playerSimilar games →