The newest entry into the Dr. Mario series launches on July 10th, 2019. Dr. Mario World will be available for free to download on iOS and Android. Pre-registration/Pre-order is available now on the App Store And Android. Dr. Mario World is a game about matching capsules with viruses to make the viruses disappear. This game also has online multiplayer with friends. In versus mode, you can battle your friend on a “one-on-on showdown”. The official Twitter page for Dr. Mario World has also opened.