Floor hockey is a family of indoor hockey games. 5 variations exist: three variations in the style of ice hockey, and the other two in the style of bandy, one of which is called Floorball in English speaking regions. Two of these variations involve the use of wheeled skates and are categoized as Roller Sports under the title of Roller hockey. Quad hockey uses quad skates and looks similar to bandy, while Inline hockey uses inline skates and is of the ice hockey variation. All styles and codes are played on dry, flat floor surfaces such as a gymnasium or basketball court. As in other hockey codes, players on each team attempt to shoot a ball or puck into a goal using sticks, usually with a curved end. Floor hockey games differ from street hockey in that the games are more structured, and two use wheeled skates. The variations which do not involve wheeled skates are sometimes used for training children to play ice hockey and bandy in a training format known as dryland training.