Virtual worlds are online base gaming, social or professional communities that are designed for users so can connect with others. These online communities are a custom-built, simulations that allows users to interact via text, voice, or video in real time. In the other words, a virtual world is an environment that allows fantasies, dreams, and imaginations to come true and help people improve their lives. Virtual worlds are not only for gaming or social activities and it can be used for educational and health care purposes. According to the article, After Second Life, Can Virtual Worlds Get a Reboot? “First we need to look at them critically to figure out what kinds of advances they can offer us. You can use virtual worlds in education, in delivery services, or as an advanced form of telehealth care that offers so much more than videoconferencing. Virtual worlds can give us social connectivity, built-in support groups, and ways to avoid ever being alone again.” [1] An advantage of a v...