IMHO.

Single-player games like Project DOOOOORS

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

Ranked picks

  1. 1
    Block Buster Billy — Steam game cover

    Block Buster Billy

    Single-player alternative to Project DOOOOORS — playable solo, no multiplayer required. Shares Strategy and Indie with Project DOOOOORS.

    An alien family had a picnic on Billy's island. They had to leave in a hurry, causing Junior to forget his cubes. Can you help Billy figure out the mind-boggling alien puzzles?

    2023StrategyIndieCasual9.99 USDDeck VerifiedSingle-playerSimilar games →
  2. 2
    Hanox — Steam game cover

    Hanox

    Single-player alternative to Project DOOOOORS — playable solo, no multiplayer required. Shares Strategy and Indie with Project DOOOOORS.

    Slide every block at once, stack them in the right weight order, and master elegant grid-based puzzles built around momentum, planning, and chain merges. Avoid invalid stacks, think several moves ahead, and turn each level into a perfectly crafted solution.

    2026StrategyIndieCasual1.79 USDSingle-playerSimilar games →
  3. 3
    Michi-Suji Puzzle: Michi Connect — Steam game cover

    Michi-Suji Puzzle: Michi Connect

    Single-player alternative to Project DOOOOORS — playable solo, no multiplayer required. Shares Indie and Casual with Project DOOOOORS.

    Move blocks and search for places where the light can reach. A 3D logic puzzle where you connect a path of light from start to goal. There is no single fixed answer. If the light reaches the goal, that is your own path. Includes over 100 puzzles.

    2026IndieCasual3.39 USDSingle-playerSimilar games →
  4. 4
    UwUbUwU — Steam game cover

    UwUbUwU

    Single-player alternative to Project DOOOOORS — playable solo, no multiplayer required. Shares Strategy and Indie with Project DOOOOORS.

    UwUbUwU is a small cozy puzzle game based on a simple idea: What if you took classic Snake but inverted the goal and made it so you have to form a loop by eating your own tail.

    2026StrategyIndieCasualSingle-playerSimilar games →
  5. 5
    Thothic — Steam game cover

    Thothic

    Single-player alternative to Project DOOOOORS — playable solo, no multiplayer required. Shares Indie and Casual with Project DOOOOORS.

    Thothic is a logic puzzle game where you land stones on their glowing targets. But all stones move together, in the same direction — so you'll need to find the one path that brings every stone home at once.

    2027IndieCasualSingle-playerSimilar games →
  6. 6
    Don't Push TOO Hard — Steam game cover

    Don't Push TOO Hard

    Single-player alternative to Project DOOOOORS — playable solo, no multiplayer required. Shares Strategy and Indie with Project DOOOOORS.

    A relaxing yet challenging Sokoban-style puzzle game. Push crates, plan ahead, and avoid dead ends. Discover clever mechanics like emotion-driven crates and solve increasingly complex puzzles across unique environments.

    StrategyIndieCasualSingle-playerSimilar games →
  7. 7
    204Snake — Steam game cover

    204Snake

    Single-player alternative to Project DOOOOORS — playable solo, no multiplayer required. Shares Strategy and Indie with Project DOOOOORS.

    Snake meets 2048 in a turn-based puzzle game.

    StrategyIndieCasualSingle-playerSimilar games →
  8. 8
    Bloxpath — Steam game cover

    Bloxpath

    Single-player alternative to Project DOOOOORS — playable solo, no multiplayer required. Shares Strategy and Indie with Project DOOOOORS.

    A minimalist roll playing puzzle game. About 10 unique puzzle mechanics, around 200 puzzles, and satisfying smooth procedural animations.

    2025StrategyIndieCasual5.99 USDSingle-playerSimilar games →