Full Throttle! is an expansion kit for any of the three "Legend" games covering the Mille Miglia road races across Italy – Legend: The History of 1000 Miglia, Legend: Winds of War, and Legend: The 1000 Miglia Action Game. Full Throttle! adds more player interaction, competition and fun to all three games. Full Throttle! includes two decks of cards: the 72 full-sized card Main deck (used in game play) and the 40 mini card Locales deck (used as reminder markers). There are 12 different card types in the Main deck, consisting of 7 obstacles which can negatively affect a player, and 5 situations that can negatively or positively affect the chance of the obstacle's effect. The obstacles are: Pothole, Landslide, Spectators, Animal, Intersection, Fog, and Railroad Crossing Gate Down. The situations are Fatigue, Hangover, Sober Up, Fog Lifts, and Railroad Crossing Gate Up. The Main deck cards are organized into 6 suits: Mountains, Forest, Farmlands, Towns, Bad Roads, and Night. The Locales deck consists of 6 card types corresponding to the suits in the Main deck.