IMHO.

Single-player games like Interlocked: Puzzle Islands

Below are 8 single-player Steam games similar to Interlocked: Puzzle Islands, 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 Interlocked: Puzzle Islands page.

Ranked picks

  1. 1
    Farm to Fortune — Steam game cover

    Farm to Fortune

    Single-player alternative to Interlocked: Puzzle Islands — playable solo, no multiplayer required. Shares Indie and Simulation with Interlocked: Puzzle Islands.

    Turn a tiny plot into a fortune, one seed at a time. Grow crops, sell them in your shop, and reinvest everything you earn. Better tools, more land, richer harvests. Relaxing from the first seed to the last field.

    2026IndieSimulationCasualSingle-playerSimilar games →
  2. 2
    Fidget Toy Engine — Steam game cover

    Fidget Toy Engine

    Single-player alternative to Interlocked: Puzzle Islands — playable solo, no multiplayer required. Shares Indie and Simulation with Interlocked: Puzzle Islands.

    Fidget Toy Engine is a desktop app that lets you enjoy a variety of interactive toys. Spin, click, squish, roll, launch, and customize them while you work, study, or relax. Keep your favorites close in a transparent window with satisfying sounds and colorful styles.

    2026IndieSimulationCasual4.24 USDSingle-playerSimilar games →
  3. 3
    Koimori — Steam game cover

    Koimori

    Single-player alternative to Interlocked: Puzzle Islands — playable solo, no multiplayer required. Shares Indie and Simulation with Interlocked: Puzzle Islands.

    Turn your desktop into a living pond with this peaceful idle overlay. Let koi drift around while you work or relax, drop snacks to see them gather, and unlock rare koi patterns as you spend more time with your little friends.

    2026IndieSimulationCasualSingle-playerSimilar games →
  4. 4
    SUMOO — Steam game cover

    SUMOO

    Single-player alternative to Interlocked: Puzzle Islands — playable solo, no multiplayer required. Shares Indie and Casual with Interlocked: Puzzle Islands.

    SUMOO is a minimalist grid puzzle where numbers slide, meet, and add up. Every stage demands one exact number. Use pits, portals, and multipliers to land on it.

    2026IndieCasualSingle-playerSimilar games →
  5. 5
    Trails — Steam game cover

    Trails

    Single-player alternative to Interlocked: Puzzle Islands — playable solo, no multiplayer required. Shares Strategy and Indie with Interlocked: Puzzle Islands.

    TRAILS is a cozy puzzle game in which you plot routes for floating sand ships. Deliver vital cargo to remote outposts - without collisions, dead ends, or backtracking. Every move counts in the wasteland.

    2025StrategyIndieCasual9.99 USDSingle-playerSimilar games →
  6. 6
    MakeRoom — Steam game cover

    MakeRoom

    Single-player alternative to Interlocked: Puzzle Islands — playable solo, no multiplayer required. Shares Indie and Simulation with Interlocked: Puzzle Islands.

    Build rooms, gardens, and camper vans with 1,100+ objects and the ability to make your own furniture from scratch. Learn with gentle design requests, then relax and create at your own pace.

    2025IndieSimulationCasual9.99 USDDeck VerifiedSingle-playerSimilar games →
  7. 7
    Train Valley 2 — Steam game cover

    Train Valley 2

    Single-player alternative to Interlocked: Puzzle Islands — playable solo, no multiplayer required. Shares Strategy and Indie with Interlocked: Puzzle Islands.

    Build bigger and more complex railway networks than ever before! Building on the success of the original, you’ll get more of what you loved about the original and then some. With increasingly difficult and complex challenges from local industries, the Valley has never felt so vast! ALL ABOARD!

    2019StrategyIndieAdventure14.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    Feed All Monsters — Steam game cover

    Feed All Monsters

    Single-player alternative to Interlocked: Puzzle Islands — playable solo, no multiplayer required. Shares Indie and Casual with Interlocked: Puzzle Islands.

    Feed All Monsters is a cute and cozy Line Puzzle game. Assist a team of delivery workers in their quest to bring tasty food to all the little monsters. Find the optimal path for each worker in order to get all the monsters fed.

    2023IndieCasual2.99 USDDeck PlayableSingle-playerSimilar games →