These games great way to reinforce and test knowledge! Each game includes 50 terms with 2 clues for each. There is a blank space in the middle of each card; you can use it as a free space or add terms not included. Templates are provided to create your own clues for these additional terms. There are unique cards for 30 students. A few of the 50 terms/people included are astrolabe, Cabot, Cartier, de Champlain, Columbus, CorteÃƒÃ…s, da Gama, de Soto, Northwest Passage, Prince Henry, Hudson, Magellan, Pizarro, and Sacajawea.