Intro.js Wordpress

This is a complete plugin developed by CFuze  using the latest version of Intro.JS: https://wordpress.org/plugins/wp-intro-js-tours/. 

intro.js-wordpress

Here is an under construction plugin for Wordpress: https://github.com/newoldmedia/intro.js-wordpress 

SitePoint Article

You can use IntroJS inside your Wordpress, here is a good article by SitePoint: http://www.sitepoint.com/creating-intro-js-powered-tours-wordpress/