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Alternatives

Products that do what 81 Rush does

Fast visual number puzzles for quick eyes and fingers

  1. 1IM

    Hello HN, last week, I stumbled over an old project of mine called Click The Number. I built it about six years ago to compare my clicking and reaction speed with that of my friends. The idea is simple – just click on the numbers in orders as fast as possible. I couldn't resist and rebuilt a lot of parts again, making them a bit nicer. I updated the design and added some features like a personal high score. It lets you keep track of your own best time (which makes it ever so _slightly_ more addictive). I'm curious what you think about it, and if you have any ideas where I could take it. Have…

    2022 · projects.marcnitzsche.de

  2. 2
    Sum 2.073

    How fast can you add?

    2019

  3. 3

    Tap as fast as you can, the fastest player win the game

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    600+ dumb and crazy challenges to face within 7 seconds

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    Simple color memory game.

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    6398

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    Simple, yet challenging, block shifting game

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    An adventurous minimum viable game

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  9. 9NL

    I've been playing Wordle and remembered this puzzle game I used to play with my grandfather. It's inspired by the block puzzles in many newspapers but made to be shorter: just guess the nine letter word. So I made a quick thing to play with my family like we used to. I thought you guys might enjoy it.

    2022 · nineletterwordgame.com

  10. 10

    Boost math skills with fun speed challenges

    26d ago · play.google.com

  11. 11AN

    2022 · twentyletters.com

  12. 12
    Prism3

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    SIXTY4

    A 60-second daily puzzle circuit

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  14. 14GC
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    Type down the office queue before it overwhelms you

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  16. 16

    How fast can you click in 10 seconds?

    Jul 2026 · clickbattles.netlify.app

  17. 17

    The block puzzle with real leaderboards

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  18. 18

    Memory match, rebuilt. Drag pairs. Chain combos. Ascend.

    May 2026 · memorix.webist.agency

  19. 19SW

    2022 · gist.github.com

  20. 20

    Fast tile combos. Real-time multiplayer. No download.

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  21. 21

    5 classic math puzzles, packed into one free app

    Jul 2026 · play.google.com

  22. 22

    2048, minus the nonsense.

    Jul 2026 · live2048.com

  23. 23

    Relax Your Mind, Challenge Your Brain

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    See Shape, Tap Fast!

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