IMHO.

Single-player games like ➕1️⃣

Below are 8 single-player Steam games similar to ➕1️⃣, 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 ➕1️⃣ page.

Ranked picks

  1. 1
    InOut — Steam game cover

    InOut

    Single-player alternative to ➕1️⃣ — playable solo, no multiplayer required. Shares Action with ➕1️⃣.

    A minimalist puzzle platformer where each level is more than they seem. Change your perspective on levels to discover new areas. Explore the world to unearth its hidden secrets.

    2026ActionIndieAdventureSingle-playerSimilar games →
  2. 2
    DeltaPhysics — Steam game cover

    DeltaPhysics

    Single-player alternative to ➕1️⃣ — playable solo, no multiplayer required. Shares Action with ➕1️⃣.

    DeltaPhysics is 2D nonlinear platformer - featuring clean physics-based platforming in a dynamic, interactive environment. Master movement upgrades to discover new paths through an interconnected map of platforming challenges and puzzles.

    2024ActionIndieEarly Access9.99 USDSingle-playerSimilar games →
  3. 3
    Sixyato — Steam game cover

    Sixyato

    Single-player alternative to ➕1️⃣ — playable solo, no multiplayer required. Shares Action with ➕1️⃣.

    Sixyato is an action-puzzle game featuring numerous highly creative levels that put players' mind and skills to the test. Unlock these levels, gather information, help Sixyato to uncover the secrets of the symbol world

    2025ActionIndieAdventureSingle-playerSimilar games →
  4. 4
    Öoo — Steam game cover

    Öoo

    Single-player alternative to ➕1️⃣ — playable solo, no multiplayer required. Shares Action with ➕1️⃣.

    A Bomb Caterpillar's Big Adventure! "Öoo" is a charming yet mysterious exploration puzzle platformer where you discover creative ways to use bombs!

    2025ActionIndieAdventure9.99 USDDeck VerifiedSingle-playerSimilar games →
  5. 5
    Supraworld — Steam game cover

    Supraworld

    Single-player alternative to ➕1️⃣ — playable solo, no multiplayer required. Shares Action with ➕1️⃣.

    Zero hand-holding. Dismantle this dense open-world of unconventional puzzles by thinking outside the box and exploiting every ability you discover. Solve mysteries hidden in plain sight where every piece of supposed decoration has a purpose.

    2025ActionIndieAdventure29.99 USDDeck VerifiedSingle-playerSimilar games →
  6. 6
    ElecHead — Steam game cover

    ElecHead

    Single-player alternative to ➕1️⃣ — playable solo, no multiplayer required. Shares Action with ➕1️⃣.

    ⚡+🤖+🧩

    2021ActionIndieAdventure9.99 USDDeck VerifiedSingle-playerSimilar games →
  7. 7
    JumpJet Rex — Steam game cover

    JumpJet Rex

    Single-player alternative to ➕1️⃣ — playable solo, no multiplayer required. Shares Action with ➕1️⃣.

    Test your dinosaur jump-jet skills with a game that redefines the platformer genre, aptly renaming it "platflyer." Simply put, you're a t-rex with rocket boots trying to save earth from an incoming asteroid. Do you have what it takes to stop it?

    2015ActionIndieAdventure9.99 USDDeck VerifiedSingle-playerSimilar games →
  8. 8
    DOOMBLADE — Steam game cover

    DOOMBLADE

    Single-player alternative to ➕1️⃣ — playable solo, no multiplayer required. Shares Action with ➕1️⃣.

    Deep underground, Gloom Girl discovers DOOMBLADE, a sentient weapon hellbent on escape after eons in chains. Together, “Doom and Gloom” embark on a vengeful quest to unlock the powerful abilities and destroy the Dread Lords once and for all in this 2D Action Metroidvania.

    2023ActionIndieAdventure15.99 USDSingle-playerSimilar games →