IMHO.

Single-player games like LAMBDA end THEORY

Below are 8 single-player Steam games similar to LAMBDA end THEORY, 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 LAMBDA end THEORY page.

Ranked picks

  1. 1
    •REALM: Lost in the Dark Mist — Steam game cover

    •REALM: Lost in the Dark Mist

    Single-player alternative to LAMBDA end THEORY — playable solo, no multiplayer required. Shares Indie and RPG with LAMBDA end THEORY.

    •REALM: Lost in the Dark Mist is a dynamic turn-based RPG. Explore, interact, and solve the mystery of the vanishing of your friend and your shadow!

    IndieRPGSingle-playerSimilar games →
  2. 2
    Me && MORY — Steam game cover

    Me && MORY

    Single-player alternative to LAMBDA end THEORY — playable solo, no multiplayer required. Shares Indie with LAMBDA end THEORY.

    Me && MORY is a cryptic and minimalist puzzle game. Help MORY run its query: gather sticky Data from the Past and restore it for the next new world!

    2023IndieCasual1.99 USDSingle-playerSimilar games →
  3. 3
    8-Colors Star Guardians + — Steam game cover

    8-Colors Star Guardians +

    Single-player alternative to LAMBDA end THEORY — playable solo, no multiplayer required. Shares Indie and RPG with LAMBDA end THEORY.

    Alien monsters have invaded Earth! It's up to the Star Guardians, a dysfunctional group of heroines, to protect the planet and awkwardly save the day (yet again)! Fight evil with pixelated style, in this turn-based, choose-your-boss-path game made with just 8 colors!

    2023IndieRPG4.99 USDDeck VerifiedSingle-playerSimilar games →
  4. 4
    Boli — Steam game cover

    Boli

    Single-player alternative to LAMBDA end THEORY — playable solo, no multiplayer required. Shares RPG with LAMBDA end THEORY.

    Boli is a retro-style JRPG with hand-drawn ASCII art. Venture forth into the wilderness to find a cure for a rare disease that is decimating your village.

    2026RPGSingle-playerSimilar games →
  5. 5
    Naked News — Steam game cover

    Naked News

    Single-player alternative to LAMBDA end THEORY — playable solo, no multiplayer required. Shares Indie and RPG with LAMBDA end THEORY.

    Join in the fun with an unforgettable experience unlike any other! Naked News brings some hardcore, crass, dirty, vulgar, dark humour into an easily offended world, not pulling any punches and making fun of everything with this visual novel-style comic, Sitcom-esque episodic!

    2020IndieSimulationRPG0.99 USDSingle-playerSimilar games →
  6. 6
    Lacuna – A Sci-Fi Noir Adventure — Steam game cover

    Lacuna – A Sci-Fi Noir Adventure

    Single-player alternative to LAMBDA end THEORY — playable solo, no multiplayer required. Shares Indie with LAMBDA end THEORY.

    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 →
  7. 7
    YIIK: A Postmodern RPG — Steam game cover

    YIIK: A Postmodern RPG

    Single-player alternative to LAMBDA end THEORY — playable solo, no multiplayer required. Shares Indie and RPG with LAMBDA end THEORY.

    Experience YIIK: A Postmodern RPG 1.5 (I.V) update with revamped battles and cutscenes. A child relinquishes her name for a birthday invite, hoping to find her brother. Alex's reality unravels, guided by a mysterious cat, witnessing a woman vanish, igniting an obsession that threatens his world.

    2019IndieRPG19.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Snowdome — Steam game cover

    Snowdome

    Single-player alternative to LAMBDA end THEORY — playable solo, no multiplayer required. Shares Indie and RPG with LAMBDA end THEORY.

    For Tan Yan, there is little hope his life will change. It's like his whole life is trapped inside a snowdome, unable to escape. But, what if, one day, he's given the chance to make a change?

    2020IndieAdventureRPG6.99 USDSingle-playerSimilar games →