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Single-player games like Mr. Rainer's Solve-It Service

Below are 11 single-player Steam games similar to Mr. Rainer's Solve-It Service, 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 Mr. Rainer's Solve-It Service page.

Ranked picks

  1. 1
    tomorrow won't come for those without ██████ — Steam game cover

    tomorrow won't come for those without ██████

    Single-player alternative to Mr. Rainer's Solve-It Service — playable solo, no multiplayer required. Shares Indie and Adventure with Mr. Rainer's Solve-It Service.

    That day, we told a lie.

    2020IndieAdventureRPG1.99 USDSingle-playerSimilar games →
  2. 2
    The Void — Steam game cover

    The Void

    Single-player alternative to Mr. Rainer's Solve-It Service — playable solo, no multiplayer required. Shares Adventure with Mr. Rainer's Solve-It Service.

    Only brought to life by scarce sparks of Color, the bleak, grey Void is a peculiar place. The player gets to explore it, get to know the Sisters, Brothers, and other weird creatures inhabiting it, and learn the ways of Color, harvesting it and drawing sigils that change the world around them.

    2009ActionAdventure9.99 USDSingle-playerSimilar games →
  3. 3
    BLACKSHARD — Steam game cover

    BLACKSHARD

    Single-player alternative to Mr. Rainer's Solve-It Service — playable solo, no multiplayer required. Shares Indie and Adventure with Mr. Rainer's Solve-It Service.

    BLACKSHARD is a first-person exploration game. Wander through a strange megastructure, the Labyrinth, to unravel its mysteries... Your behavior within the Labyrinth will define the outcome of your journey. What path will you choose to take?

    2025IndieAdventure14.99 USDSingle-playerSimilar games →
  4. 4
    The Old City: Leviathan — Steam game cover

    The Old City: Leviathan

    Single-player alternative to Mr. Rainer's Solve-It Service — playable solo, no multiplayer required. Shares Indie and Adventure with Mr. Rainer's Solve-It Service.

    The Old City: Leviathan is an experiment in first person exploration that focuses entirely on story. All that exists is you and the world. Set in a decaying city from a civilization long past, The Old City: Leviathan puts the player in the shoes of a sewer dwelling isolationist.

    2014IndieAdventure5.99 USDSingle-playerSimilar games →
  5. 5
    The Franz Kafka Videogame — Steam game cover

    The Franz Kafka Videogame

    Single-player alternative to Mr. Rainer's Solve-It Service — playable solo, no multiplayer required. Shares Indie and Adventure with Mr. Rainer's Solve-It Service.

    An original puzzle/adventure game inspired by the writings of Franz Kafka.

    2017IndieAdventure6.99 USDDeck VerifiedSingle-playerSimilar games →
  6. 6
    Éalú — Steam game cover

    Éalú

    Single-player alternative to Mr. Rainer's Solve-It Service — playable solo, no multiplayer required. Shares Indie and Adventure with Mr. Rainer's Solve-It Service.

    A cozy, handmade stop-motion adventure... unless the maze takes a darker turn... Guide your wooden mouse through a labyrinth full of puzzles & unknown dangers in search of an exit to a happier place.

    2025IndieAdventureCasual9.99 USDDeck VerifiedSingle-playerSimilar games →
  7. 7
    Four Last Things — Steam game cover

    Four Last Things

    Single-player alternative to Mr. Rainer's Solve-It Service — playable solo, no multiplayer required. Shares Indie and Adventure with Mr. Rainer's Solve-It Service.

    Four Last Things is a very silly pythonesque adventure made from Renaissance-era paintings and public domain recordings of classical music. It is about sin, and the Four Last Things – Death, Judgement, Heaven and Hell – and strives to be intelligent and ridiculous in equal measures.

    2017IndieAdventure3.49 USDDeck VerifiedSingle-playerSimilar games →
  8. 8
    Transient: Extended Edition — Steam game cover

    Transient: Extended Edition

    Single-player alternative to Mr. Rainer's Solve-It Service — playable solo, no multiplayer required. Shares Indie and Adventure with Mr. Rainer's Solve-It Service.

    H.P. Lovecraft meets Cyberpunk. Delve deep into a dystopian world and investigate what is happening to you and your friends in a domed city. Solve puzzles, hack systems and plug in to explore other dimensions. Discover a truth that might tear apart your sanity and question your very existence.

    2020IndieAdventure19.99 USDDeck PlayableSingle-playerSimilar games →
  9. 9
    Hello Charlotte EP3: Childhood's End — Steam game cover

    Hello Charlotte EP3: Childhood's End

    Single-player alternative to Mr. Rainer's Solve-It Service — playable solo, no multiplayer required. Shares Indie with Mr. Rainer's Solve-It Service.

    "All ended well.There was nothing to grieve about." A farewell, and a greeting.

    2018IndieRPG2.79 USDDeck VerifiedSingle-playerSimilar games →
  10. 10
    Hello Charlotte EP2: Requiem Aeternam Deo — Steam game cover

    Hello Charlotte EP2: Requiem Aeternam Deo

    Single-player alternative to Mr. Rainer's Solve-It Service — playable solo, no multiplayer required. Shares Indie and Adventure with Mr. Rainer's Solve-It Service.

    A eulogy for happiness, and a lament for connection that never was.

    2016IndieAdventureRPGFreeSingle-playerSimilar games →
  11. 11
    Rehab Friday — Steam game cover

    Rehab Friday

    Single-player alternative to Mr. Rainer's Solve-It Service — playable solo, no multiplayer required. Shares Adventure with Mr. Rainer's Solve-It Service.

    Happiness is a choice.

    AdventureRPGSingle-playerSimilar games →