IMHO.

Single-player games like Alpha Spectrum

Below are 8 single-player Steam games similar to Alpha Spectrum, 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 Alpha Spectrum page.

Ranked picks

  1. 1
    Fortune's Run — Steam game cover

    Fortune's Run

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

    Explore a decaying industrial world left behind in humanity's never-ending race to conquer the stars. Beneath its iron skies, desperate souls kill and steal for passage to the still-plentiful frontier worlds. Sink or swim in this high-octane first-person shooter with immersive sim elements.

    2023ActionIndieEarly Access19.99 USDDeck PlayableSingle-playerSimilar games →
  2. 2
    Deus Ex: Human Revolution - Director's Cut — Steam game cover

    Deus Ex: Human Revolution - Director's Cut

    Single-player alternative to Alpha Spectrum — playable solo, no multiplayer required. Shares RPG with Alpha Spectrum.

    You play Adam Jensen, an ex-SWAT specialist who's been handpicked to oversee the defensive needs of one of America's most experimental biotechnology firms. Your job is to safeguard company secrets, but when a black ops team breaks in and kills the very scientists you were hired to protect, everything you thought you knew about your job...

    2013ActionRPG19.99 USDDeck PlayableSingle-playerSimilar games →
  3. 3
    Deus Ex: Game of the Year Edition — Steam game cover

    Deus Ex: Game of the Year Edition

    Single-player alternative to Alpha Spectrum — playable solo, no multiplayer required.

    The year is 2052 and the world is a dangerous and chaotic place. Terrorists operate openly - killing thousands; drugs, disease and pollution kill even more. The world's economies are close to collapse and the gap between the insanely wealthy and the desperately poor grows ever wider.

    2007Action6.99 USDDeck PlayableSingle-playerSimilar games →
  4. 4
    Deus Ex: Invisible War — Steam game cover

    Deus Ex: Invisible War

    Single-player alternative to Alpha Spectrum — playable solo, no multiplayer required.

    Approximately 20 years after Deus Ex, the world is only beginning to recover from a catastrophic worldwide depression. In this techno-nightmare, take part in the dark struggle to raise the world from its own ashes.

    2007Action6.99 USDDeck PlayableSingle-playerSimilar games →
  5. 5
    Peripeteia — Steam game cover

    Peripeteia

    Single-player alternative to Alpha Spectrum — playable solo, no multiplayer required. Shares Indie and RPG with Alpha Spectrum.

    You are Marie, a cyborg mercenary dropped into the rot of a post-Soviet city of corruption and opportunity. Shoot, sneak, hack, climb or talk your way through alt-history cyberpunk Poland in an immersive sim where every problem has multiple solutions and every rooftop is reachable.

    2025ActionIndieSimulation24.99 USDDeck PlayableSingle-playerSimilar games →
  6. 6
    Seven: Enhanced Edition — Steam game cover

    Seven: Enhanced Edition

    Single-player alternative to Alpha Spectrum — playable solo, no multiplayer required. Shares Indie and RPG with Alpha Spectrum.

    Seven: Enhanced Edition is an open-world, isometric stealth and action role-playing game, in which you play as Teriel, a master thief sent on a mission that will shake the foundations of the Vetrall Empire. Includes the Drowned Past expansion.

    2017ActionIndieAdventure29.99 USDDeck VerifiedSingle-playerSimilar games →
  7. 7
    DIVINATION — Steam game cover

    DIVINATION

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

    "What if you're born into this world without your permission?" DIVINATION is a very short visual novel where you act as a fortune teller in a futuristic world. Talk and listen to people's stories, then foresee their future using the runes they had drawn.

    2019IndieCasual1.99 USDSingle-playerSimilar games →
  8. 8
    The Ascent — Steam game cover

    The Ascent

    Single-player alternative to Alpha Spectrum — playable solo, no multiplayer required. Shares Indie and RPG with Alpha Spectrum.

    The Ascent is a solo and co-op Action-shooter RPG set in a cyberpunk world. The mega corporation that owns you and everyone, The Ascent Group, has just collapsed. Can you survive without it?

    2021ActionIndieAdventure29.99 USDDeck PlayableSingle-playerSimilar games →