DOOM CAPTCHA: Are Video Games the Future of CAPTCHA? | HackerNoon
Briefly

DOOM CAPTCHA, a novel CAPTCHA, requires players to 'Kill at least 3 monsters' in DOOM to prove their humanity, showcasing a unique blend of fun and verification.
Built using Emscripten and WebAssembly, DOOM CAPTCHA demonstrates how retro gaming can adapt to modern challenges like online verification, potentially reshaping CAPTCHA experiences for users.
Read at Hackernoon
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