IMHO.

Single-player games like Human Upgrade Labs

Below are 8 single-player Steam games similar to Human Upgrade Labs, 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 Human Upgrade Labs page.

Ranked picks

  1. 1
    One Eleven — Steam game cover

    One Eleven

    Single-player alternative to Human Upgrade Labs — playable solo, no multiplayer required. Shares Indie with Human Upgrade Labs.

    One eleven is a dark detective story about twelve lonely people who, by chance, find themselves in the same house with a mad maniac. Who will be the victim and who will be the killer? Be attentive and courageous, and solve the riddles of One Eleven.

    2023Indie7.99 USDSingle-playerSimilar games →
  2. 2
    The Katydids Incident — Steam game cover

    The Katydids Incident

    Single-player alternative to Human Upgrade Labs — playable solo, no multiplayer required. Shares Indie with Human Upgrade Labs.

    There is a big discussion going on about a mysterious group named The Katydids proposing riddles and challenges on online forums, Are you clever enough to unravel the mystery of this obscure organization?

    2022IndieSimulation4.99 USDSingle-playerSimilar games →
  3. 3
    Am I Nima — Steam game cover

    Am I Nima

    Single-player alternative to Human Upgrade Labs — playable solo, no multiplayer required. Shares Indie with Human Upgrade Labs.

    Am I Nima is a psychological-horror game where you must convince your mom that you really are her daughter. Combine words together in your brain and use them to talk. Get her to trust you.

    2026IndieAdventureSingle-playerSimilar games →
  4. 4
    T1WRE3: NONAME — Steam game cover

    T1WRE3: NONAME

    Single-player alternative to Human Upgrade Labs — playable solo, no multiplayer required. Shares Indie with Human Upgrade Labs.

    Hi, I am NONAME! Can you solve my puzzle? Dive into a world of riddles and uncover the hidden six-digit keys to advance. With challenging puzzles, hints to guide you, and secrets to discover, this game tests your logic and wit. Solve every enigma and claim for the victory.

    2025StrategyIndieSimulation2.99 USDSingle-playerSimilar games →
  5. 5
    Meet PIP — Steam game cover

    Meet PIP

    Single-player alternative to Human Upgrade Labs — playable solo, no multiplayer required. Shares Indie with Human Upgrade Labs.

    Walking through the forest, discover a bunker entrance and...Meet PIP - a point & click adventure game of making choices, following directions, along with puzzles and in-games. You're going on a magical journey, starting at NoBody's home...

    2021IndieAdventureCasual2.99 USDSingle-playerSimilar games →
  6. 6
    Ceiba — Steam game cover

    Ceiba

    Single-player alternative to Human Upgrade Labs — playable solo, no multiplayer required. Shares Indie with Human Upgrade Labs.

    Ein, a simple-hearted member of an expedition sent by mankind to distant planets, tries to get romantic with a pretty but cold co-worker girl. Unfortunately, he is not the only one trying to make contact as from the abandoned and desolate alien ruins, the girl receives a message in human language.

    2023Indie6.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    Cats Everywhere — Steam game cover

    Cats Everywhere

    Single-player alternative to Human Upgrade Labs — playable solo, no multiplayer required. Shares Indie with Human Upgrade Labs.

    Find cats in a relaxing hidden-object game for cat lovers. Can you find them all?

    2024IndieAdventureCasual0.99 USDSingle-playerSimilar games →
  8. 8
    Dark Nights with Poe and Munro — Steam game cover

    Dark Nights with Poe and Munro

    Single-player alternative to Human Upgrade Labs — playable solo, no multiplayer required. Shares Indie with Human Upgrade Labs.

    Guide local radio hosts Poe and Munro through six TV-like episodes of supernatural strangeness and sizzling on-screen chemistry. From the creators of The Infectious Madness of Doctor Dekker and The Shapeshifting Detective.

    2020IndieAdventure12.99 USDDeck PlayableSingle-playerSimilar games →