Plenty of top viral content sites rely on quizzes, listicles, and other interactive content to keep their visitors engaged. HD Quiz for WordPress is a simple plugin that lets you create your own quizzes and embed them in any post or page. It is mobile and touch friendly and lets you make an unlimited number of quizzes.
HD Quiz allows you to use animated GIFs as the featured image for your questions. It has a timer, so you can set a time limit for your visitors to complete your tests. Webmasters can create a tooltip for each question and use images as answers. They can also change button text and other settings.
Since HD Quiz has shortcodes, you can add quizzes to anywhere on your site. It lets you have up to 10 answers per question. You can try this plugin for free.