I\'m using Google reCaptcha for validation purposes on a client website. Today I\'ve got a complaint/change-request from them, regarding the multiple image selection (Select 2 b
I think I found a solution. The official documentation contains information about a fallback mechanism for environments that do not support the reCaptcha checkbox widget.
By appending the parameter fallback=true you can explicitly use the fallback.
I haven't had any beer or wine reCaptchas yet since I've been using the fallback. (But still cake, sushi or road-sign reCaptchas)
Try the following:
<script src='https://www.google.com/recaptcha/api.js?fallback=true'></script>
EDIT: But the usability of the fallback widget is just horrible..