The game used to teach is mostly a game called "the game" is a game with a purpose. Aimed at players learning objectives. Not for entertainment is important to use in teaching. The more important step is the analysis of the discussion to learning.
The game used to teach it in several ways. The instructor may be the creator of the game to suit the purpose of their own. Or maybe the game with builders and turned the steer converted to suit the purpose to match their needs and investigate it. If teachers want to build up the game. Teachers need to have knowledge and understanding of how to create and will have a trial game created several times, until sure can work better by purpose. If a selected plots, teachers need to study the game to understand. The selected transform and implementation as well. For implementing the educational games to use it. Teachers need to study the game to understand and try to play that game before to see issues and objections