Free HTML5 / Flash Based Simple Captcha Code (A Game): PlayThru
PlayThru is the next evolution of online human verification and the best CAPTCHA replacement around. Its a simple CAPTCHA alternative that stops bots with fun, by focusing on being simple and intuitive.
PlayThru increases form submissions by up to 40% versus standard CAPTCHAs like reCaptcha. That twisted text annoys people so much that they stop filling out your form. Make it easier with our short, simple games.
This simple CAPTCHA code run in both HTML5 and Flash. The games automatically detect what the user’s browser supports and serves the appropriate game. Works on mobile as well.