IMHO.

Single-player games like REtreeRS

Below are 10 single-player Steam games similar to REtreeRS, 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 REtreeRS page.

Ranked picks

  1. 1
    Random Mix — Steam game cover

    Random Mix

    Single-player alternative to REtreeRS — playable solo, no multiplayer required.

    The rhythm game that writes a brand-new song every time you press play. 50+ genres synthesized live. Tap it, remix it, or build your own: you are the DJ and the producer, no music knowledge needed. Fully offline.

    2026IndieCasualEarly Access2.39 USDSingle-playerSimilar games →
  2. 2
    Laurus — Steam game cover

    Laurus

    Single-player alternative to REtreeRS — playable solo, no multiplayer required. Shares Strategy with REtreeRS.

    Rig the machine until it pays out wrong. Draw symbols from your bag across five reels, chain paylines, and slot circuit-board artifacts into combos the house never accounted for. A roguelike deckbuilder about the arithmetic of very bad odds.

    2026StrategyIndieSingle-playerSimilar games →
  3. 3
    Math-Havoc — Steam game cover

    Math-Havoc

    Single-player alternative to REtreeRS — playable solo, no multiplayer required. Shares Strategy with REtreeRS.

    Solve fast. Think faster. Math-Havoc is a rapid-fire logic game where every second counts. Chain correct answers, push your limits, and survive as long as you can.

    2026StrategyIndieCasual1.69 USDSingle-playerSimilar games →
  4. 4
    Bee on a Roll — Steam game cover

    Bee on a Roll

    Single-player alternative to REtreeRS — playable solo, no multiplayer required.

    A relaxing route-building puzzle on a honeycomb grid. Place and rotate track parts so a golden pellet rolls all the way to a hungry bee larva. A fresh board every time, so the puzzles never run out. Play alone, or with up to four on one screen — each at their own difficulty.

    IndieCasualSingle-playerSimilar games →
  5. 5
    Toypunk — Steam game cover

    Toypunk

    Single-player alternative to REtreeRS — playable solo, no multiplayer required.

    A roguelite third-person puppet-shooter where you wield an entire toybox of absurd weaponry. Fight hordes of cotton-stuffed baddies across fantastical biomes in single-player or co-op. Experience crazy synergies and unlock more toys between runs!

    ActionSingle-playerSimilar games →
  6. 6
    Little Groves — Steam game cover

    Little Groves

    Single-player alternative to REtreeRS — playable solo, no multiplayer required. Shares Strategy with REtreeRS.

    Little Groves is a peaceful strategy-puzzle game about growing a forest and protecting it from the forces that threaten it. Place tiles, discover more than 50 hidden groves, chain together Harmonies and bend the changing wind to keep fire, drought and blight at bay.

    StrategyIndieSimulationSingle-playerSimilar games →
  7. 7
    WSudoku — Steam game cover

    WSudoku

    Single-player alternative to REtreeRS — playable solo, no multiplayer required.

    WSudoku is a quiet, modern take on the classic logic puzzle. Solve fresh boards across six difficulties, chase daily challenges and high scores, customize your style, or 1v1 friends and rivals in live online Duels.

    IndieCasualSingle-playerSimilar games →
  8. 8
    Poosh XL — Steam game cover

    Poosh XL

    Single-player alternative to REtreeRS — playable solo, no multiplayer required.

    Poosh XL is a neon-infused, one-button arcade score chaser where precision and timing are everything. Launch yourself past obstacles, collect powerups, and climb the leaderboards in this fast-paced, endlessly challenging game. Simple to learn, hard to master, perfect for quick, addictive gameplay!

    2023ActionIndieCasual2.99 USDDeck VerifiedSingle-playerSimilar games →
  9. 9
    Slappyball — Steam game cover

    Slappyball

    Single-player alternative to REtreeRS — playable solo, no multiplayer required.

    It's hands playing volleyball. Compete online and show who has the better ball handling skills. Style on your opponents through skill and a superior fashion sense.

    2024SportsFree To PlayCasualFreeDeck PlayableSingle-playerSimilar games →
  10. 10
    Motivation Monsters — Steam game cover

    Motivation Monsters

    Single-player alternative to REtreeRS — playable solo, no multiplayer required.

    A productivity tool made by and for burnt out gifted kid ADHD gremlins. Get stuff done the fun way by collecting and customizing cute bottom-of-the-screen creatures who transform to reflect your real life growth as a person.

    2026IndieSimulationCasual4.79 USDSingle-playerSimilar games →