Red Dragon Island (officially Magic Tree House: Red Dragon Island) is the nineteenth island on Poptropica. It takes place in old Japan and features characters such as sumo wrestlers and Samurai Warriors. The storyline is from the popular Magic Tree House book series. The player's goal is to overcome troubles as they strike by mastering a set of elite ninja skills and successfully completing a dangerous rescue mission. The player either finds the way back home triumphantly, or be stuck in the virtual world of old Japan forever.