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Life & fun · June 9, 2026

Caputchin

A CAPTCHA replaced by a quick game humans win and bots can't

What it does

Caputchin replaces the usual CAPTCHA puzzle with a short game a visitor plays for a few seconds. The games need fast reactions with no answer readable from the page, and every round is re-checked on the server, so they are easy for people but keep out bots and AI solvers. It works without collecting any IP, fingerprint, or tracking data about your visitors, and the widget and games that run on your site are open source for developers to read and restyle.

Does the same job

all alternatives →
  • DOOM Captcha2021 · ▲512

    Captchas don't have to be boring

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    Replace CAPTCHAs with WebAuthn passkeys for bot prevention2024 · github.com · ▲71

    I built Nocaptcha after getting frustrated with traditional CAPTCHAs both as a user and developer. WebAuthn passkeys offered a promising alternative that's both more secure and user-friendly. What makes Nocaptcha different: - Uses WebAuthn standard instead of puzzle-solving - No need for users to remember passwords or solve puzzles - Open source Current limitation: Working with W3C WebAuthn Community Group on true passkey disposal for this use case. Looking for feedback particularly on: 1. Integration experience 2. User experience compared to traditional CAPTCHAs

  • Cap2025 · ▲431

    A lightweight, modern open-source captcha

  • WeHateCaptchas2019 · ▲208

    Keep the bots out without annoying your users

  • Graboxy maze CAPTCHA2021 · ▲122

    Brandable captcha that is fun & easy to solve

  • CAPTCHA RoyaleApr 2026 · sean-reid.github.io · ▲74

    Race to solve CAPTCHAs, last player standing wins

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