Playthru is an amazing new captcha.
Instead of trying to understand twisted and distorted text to prove that they're human, let your users play a short mini game!
This plugin will add support for PlayThru captcha in your Joomla! site, remember to signup into their site in order to get the publisher and scoring key.
This is a feature release, now it's Joomla 3.0 ready!
Remember to signup into their site and get the publisher/scoring key.
If you find this extension useful, please post a review on Joomla Extension Directory
N.B. At the moment the Light Box game style won't work (they're fixing it), you have to use the Embedded one.