The best alternatives to Metal Captcha are Google, DOOM Captcha, and Squat Captcha. If these 3 options don't work for you, we've listed a few more alternatives below.
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Search the world's information, including webpages, images, videos and more. Google has many special features to help you find exactly what you're looking for.
Captchas don't have to be boring, this captcha is a simple version of Doom that can be used to validate a real person on a website form. Are you interested in more captcha games? Please answer this form ๐ https://forms.gle/h7REigxfxNNx7tEx5
This captcha forces you to do 10 squats to continue. Works with chrome/firefox, desktop environment and also a webcam is required. There is available a Chrome extension to prevent compulsive purchases on amazon, more info https://bit.ly/3jS73YX
Replace fire hydrants and traffic lights with your brand. Blend the fun and easy-to-solve maze captcha into your website. Frustrate bots, not your users. ๐ Free for a full year for all Product Hunters who sign up in 2021.
GeeTest is a top provider of human-bot verification technology used by over 360K companies in various industries, such as blockchain and e-commerce. GeeTest's CAPTCHA ensures a secure online experience for users by preventing automated attacks and spam bots.