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Single-player games like No Case Should Remain Unsolved

Below are 18 single-player Steam games similar to No Case Should Remain Unsolved, 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 No Case Should Remain Unsolved page.

Ranked picks

  1. 1
    The Roottrees are Dead — Steam game cover

    The Roottrees are Dead

    Single-player alternative to No Case Should Remain Unsolved — playable solo, no multiplayer required. Shares Adventure with No Case Should Remain Unsolved.

    A genealogical mystery straight out of 1998. Scour the early Internet for clues, uncover hidden connections, and piece together the family tree behind the secretive Roottree Corporation.

    2025Adventure16.99 USDDeck PlayableSingle-playerSimilar games →
  2. 2
    Ace Attorney Investigations Collection — Steam game cover

    Ace Attorney Investigations Collection

    Single-player alternative to No Case Should Remain Unsolved — playable solo, no multiplayer required. Shares Adventure with No Case Should Remain Unsolved.

    Miles Edgeworth's dramatic turnabouts take center stage! Experience both Ace Attorney Investigations games in one gorgeous collection! Investigate crime scenes and solve tough, intriguing cases through logic and deduction. When Edgeworth's past and present collide, his future begins!

    2024Adventure39.99 USDDeck VerifiedSingle-playerSimilar games →
  3. 3
    TR-49 — Steam game cover

    TR-49

    Single-player alternative to No Case Should Remain Unsolved — playable solo, no multiplayer required. Shares Adventure with No Case Should Remain Unsolved.

    A World War II computer. An archive of lost books. A world-changing secret. Narrative deduction meets audio drama, from the creators of Overboard!, Heaven's Vault and A Highland Song.

    2026Adventure4.89 USDDeck VerifiedSingle-playerSimilar games →
  4. 4
    The Rise of the Golden Idol — Steam game cover

    The Rise of the Golden Idol

    Single-player alternative to No Case Should Remain Unsolved — playable solo, no multiplayer required. Shares Indie and Adventure with No Case Should Remain Unsolved.

    The Award-winning detective saga returns in this standalone sequel to The Case of the Golden Idol. Uncover the truth behind 20 strange cases of crime, death and depravity in the 1970s. The world has changed dramatically - the sins of humanity have not.

    2024IndieAdventure19.99 USDDeck VerifiedSingle-playerSimilar games →
  5. 5
    The Operator — Steam game cover

    The Operator

    Single-player alternative to No Case Should Remain Unsolved — playable solo, no multiplayer required. Shares Indie and Adventure with No Case Should Remain Unsolved.

    Welcome to the FDI. As our newest Operator, your role is to use your detective skills to assist our field agents and investigate mysterious crimes. Use cutting-edge FDI software to dig for clues, solve puzzles, and uncover the truth.

    2024IndieAdventureSimulation13.99 USDDeck VerifiedSingle-playerSimilar games →
  6. 6
    Chicken Police: Into the HIVE! — Steam game cover

    Chicken Police: Into the HIVE!

    Single-player alternative to No Case Should Remain Unsolved — playable solo, no multiplayer required. Shares Adventure with No Case Should Remain Unsolved.

    A wild tale of conspiracy, loss, friendship, and... chickens?! Two rooster detectives are about to venture into the insect underworld to uncover a worldwide conspiracy, while also battling their inherent demons in this animal noir adventure satire.

    2024AdventureSimulationCasual19.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    Staffer Reborn — Steam game cover

    Staffer Reborn

    Single-player alternative to No Case Should Remain Unsolved — playable solo, no multiplayer required. Shares Indie and Adventure with No Case Should Remain Unsolved.

    Staffer Reborn is a game of supernatural abilities and logical deduction set in 1960s America. It tells the story of a man trapped in a cycle of death and resurrection caused by his supernatural ability and the investigator who was recruited to help.

    2024IndieAdventureSimulation2.69 USDDeck VerifiedSingle-playerSimilar games →
  8. 8
    Her Story — Steam game cover

    Her Story

    Single-player alternative to No Case Should Remain Unsolved — playable solo, no multiplayer required. Shares Indie and Adventure with No Case Should Remain Unsolved.

    A woman is interviewed seven times by the police. Search the video database and explore hundreds of authentic clips to discover her story in this groundbreaking and award winning narrative game.

    2015IndieAdventureSimulation9.99 USDDeck PlayableSingle-playerSimilar games →
  9. 9
    The Case of the Golden Idol — Steam game cover

    The Case of the Golden Idol

    Single-player alternative to No Case Should Remain Unsolved — playable solo, no multiplayer required. Shares Indie and Adventure with No Case Should Remain Unsolved.

    A new kind of detective game that allows you to think and investigate freely. Discover clues surrounding 12 strange and gruesome deaths and build your own theory. Pick your suspect, deduce the motive, unmask the awful truth.

    2022IndieAdventure17.99 USDDeck VerifiedSingle-playerSimilar games →
  10. 10
    The Wolf Among Us — Steam game cover

    The Wolf Among Us

    Single-player alternative to No Case Should Remain Unsolved — playable solo, no multiplayer required. Shares Adventure with No Case Should Remain Unsolved.

    From the makers of the 2012 Game of the Year: The Walking Dead, comes a thriller based on the award-winning Fables comic books. As Bigby Wolf you will discover that a brutal, bloody murder is just a taste of things to come in a game series where your every decision can have enormous consequences.

    2013ActionAdventureCasual14.99 USDDeck PlayableSingle-playerSimilar games →
  11. 11
    Return of the Obra Dinn — Steam game cover

    Return of the Obra Dinn

    Single-player alternative to No Case Should Remain Unsolved — playable solo, no multiplayer required. Shares Indie and Adventure with No Case Should Remain Unsolved.

    Lost at sea 1803 ~ The good ship Obra Dinn.

    2018IndieAdventure19.99 USDDeck VerifiedSingle-playerSimilar games →
  12. 12
    Telling Lies — Steam game cover

    Telling Lies

    Single-player alternative to No Case Should Remain Unsolved — playable solo, no multiplayer required. Shares Indie and Adventure with No Case Should Remain Unsolved.

    Four private lives. One big lie. Search through secretly recorded video conversations to discover the truth. The successor to the acclaimed Her Story.

    2019IndieAdventureSimulation19.99 USDSingle-playerSimilar games →
  13. 13
    The Dark Pictures Anthology: Man of Medan — Steam game cover

    The Dark Pictures Anthology: Man of Medan

    Single-player alternative to No Case Should Remain Unsolved — playable solo, no multiplayer required. Shares Adventure with No Case Should Remain Unsolved.

    The Dark Pictures Anthology is a series of stand-alone, branching cinematic horror games that can also be played online with a friend. In Man of Medan, five friends set sail on a holiday diving trip that soon changes into something much more sinister.

    2019Adventure19.99 USDSingle-playerSimilar games →
  14. 14
    Replica — Steam game cover

    Replica

    Single-player alternative to No Case Should Remain Unsolved — playable solo, no multiplayer required. Shares Indie and Adventure with No Case Should Remain Unsolved.

    Replica is an interactive novel game played through a cellphone and social media. The insane experience of peeping into someone's private life through a cellphone will transform you into the state's greatest patriot.

    2016IndieAdventure2.99 USDDeck PlayableSingle-playerSimilar games →
  15. 15
    Legal Dungeon — Steam game cover

    Legal Dungeon

    Single-player alternative to No Case Should Remain Unsolved — playable solo, no multiplayer required. Shares Indie and Adventure with No Case Should Remain Unsolved.

    Legal Dungeon is a game about organizing Police Investigation Documents. The player must review and provide an Investigation Verdict on reports ranging from petty theft to murder, in eight different criminal cases. Weigh the value of people’s lives to unlock all the collectables.

    2019IndieAdventureSimulation6.99 USDSingle-playerSimilar games →
  16. 16
    The Wake: Mourning Father, Mourning Mother — Steam game cover

    The Wake: Mourning Father, Mourning Mother

    Single-player alternative to No Case Should Remain Unsolved — playable solo, no multiplayer required. Shares Indie and Adventure with No Case Should Remain Unsolved.

    The Wake is a record of past wounds opened at a three-day funeral. The journal is encoded with a simple substitution cipher that the player must break in order to reveal the writer’s psyche and discover the contradictions that define him.

    2020IndieAdventure4.99 USDSingle-playerSimilar games →
  17. 17
    Rabbit Hole 3D: Steam Edition — Steam game cover

    Rabbit Hole 3D: Steam Edition

    Single-player alternative to No Case Should Remain Unsolved — playable solo, no multiplayer required. Shares Indie with No Case Should Remain Unsolved.

    Rabbit Hole 3D: Steam Edition is a minimalistic retro puzzle game. The game features 3D word puzzles based on Chapter 1 of Alice in Wonderland by Lewis Carroll. Players must navigate through keywords from the book’s initial chapter.

    2014ActionIndieCasual2.99 USDDeck PlayableSingle-playerSimilar games →
  18. 18
    RETSNOM — Steam game cover

    RETSNOM

    Single-player alternative to No Case Should Remain Unsolved — playable solo, no multiplayer required. Shares Indie with No Case Should Remain Unsolved.

    RETSNOM is an inventive pixel art puzzle platformer that allows player to break the map by mirroring sections of the level, and rearranging it on the fly to save a sick daughter.

    2015ActionIndie4.99 USDSingle-playerSimilar games →