Use of an Umpire to Hide Troop Movements in a War Game

Three maps should be provided, either in separate rooms or separated from each other by screens: one for each player, and one in the centre for the Umpire.* Each Commander and his subordinates will be allowed access only to their own map, the Umpire and his assistants moving from one side to the other. [...] Whenever any portion of OIK; of the opposing forces comes within the view of the other, the corresponding blocks of the former must be placed on the map of the latter and rice ver...

 Gamification Pattern Building Mechanic

Ms. Forsythe divides her class into four teams (Egypt, Mesopotamia, Greece, and Rome). Each team, over the course of the unit, learns about all four artistic cultures but becomes an expert in one. For a 20- to 30-minute exercise in discerning and judging the difference among these artistic cultures, Ms. Forsythe displays a piece of sculpture from each of the four cultures onto a large piece of heavy paper or cardboard and then cuts that image into smaller tiles and tosses all of the pieces to...