IMHO.

Single-player games like KILLA

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

Ranked picks

  1. 1
    The Test: Secrets of the Soul — Steam game cover

    The Test: Secrets of the Soul

    Single-player alternative to KILLA — playable solo, no multiplayer required. Shares Indie and Adventure with KILLA.

    You will answer a series of questions that will reveal things from deep within. Some will be uncomfortable, but with great knowledge comes great sacrifice. Can you make it all the way through The Test, and are you SURE you want the answers you seek? For it is time to unlock "Secrets of the Soul..."

    2023IndieAdventureSimulationFreeDeck VerifiedSingle-playerSimilar games →
  2. 2
    The Test: Hypothesis Rising — Steam game cover

    The Test: Hypothesis Rising

    Single-player alternative to KILLA — playable solo, no multiplayer required. Shares Indie and Adventure with KILLA.

    The second chapter in The Test trilogy. Answer a series of in-depth questions to reveal hidden truths about yourself and unlock secrets to discover how your life can change drastically with just a few, slight modifications. ...But are you sure you want the answers you seek?

    2020IndieAdventureSimulation1.99 USDDeck VerifiedSingle-playerSimilar games →
  3. 3
    Trials of Innocence — Steam game cover

    Trials of Innocence

    Single-player alternative to KILLA — playable solo, no multiplayer required. Shares Indie and Adventure with KILLA.

    Trials of Innocence is an indie courtroom detective game. Step into the shoes of the main character, rookie lawyer Luna Ray, and navigate her journey through the legal world. Unravel a shocking conspiracy that changes the fate of many, including herself, and confront her inner choices.

    2025IndieAdventureSimulation14.44 USDDeck PlayableSingle-playerSimilar games →
  4. 4
    Strange Antiquities — Steam game cover

    Strange Antiquities

    Single-player alternative to KILLA — playable solo, no multiplayer required. Shares Indie and Adventure with KILLA.

    Become the custodian of a store dealing in occult antiquities. Explore the quaint and gloomy town of Undermere, where strange goings-on and dark mysteries abound. Find and identify arcane artefacts, use your collection to aid the townsfolk with their unusual problems — and remember to pet your cat!

    2025IndieAdventureSimulation17.99 USDDeck VerifiedSingle-playerSimilar games →
  5. 5
    The Island: Into The Mist — Steam game cover

    The Island: Into The Mist

    Single-player alternative to KILLA — playable solo, no multiplayer required. Shares Indie and Adventure with KILLA.

    'The Island: In To The Mist' is an adventure game. It includes basic features of adventure genre and add some new systems to interest you. You have been given a chance to experience a group of university students, who confined in the island. There is a terrific but interesting story you will see.

    2019IndieAdventureSimulation6.99 USDSingle-playerSimilar games →
  6. 6
    Tokyo Dark — Steam game cover

    Tokyo Dark

    Single-player alternative to KILLA — playable solo, no multiplayer required. Shares Adventure with KILLA.

    Legend tells of a door deep below Tokyo's sewers. All who enter are lost forever. Detective Ito's partner is missing. Explore Tokyo & uncover the darkness that lays beneath the streets in this Point & Click - meets Visual Novel - narrative adventure that questions the very core of Ito's sanity.

    2017Adventure17.99 USDSingle-playerSimilar games →
  7. 7
    Slay the Princess — The Pristine Cut — Steam game cover

    Slay the Princess — The Pristine Cut

    Single-player alternative to KILLA — playable solo, no multiplayer required. Shares Indie and Adventure with KILLA.

    You're here to slay the princess. Don't believe her lies.

    2023IndieAdventureSimulation17.99 USDDeck VerifiedSingle-playerSimilar games →
  8. 8
    Freud's Bones-the game — Steam game cover

    Freud's Bones-the game

    Single-player alternative to KILLA — playable solo, no multiplayer required. Shares Indie and Adventure with KILLA.

    Infiltrate, rule and rescue the mind of the father of Psychoanalysis: Sigmund Freud, in this surreal and obscure adventure. Take control of his inner voice, choose his destiny, solve clinical cases, save or condemn your patients, all whilst trying to save Freud from himself.

    2022StrategyIndieAdventure10.99 USDSingle-playerSimilar games →