Instructional games are created when training is deliberately added to a gaming environment or when gaming aspects are deliberately incorporated into training. One type of game that is currently attracting the attention of the education and training field is the massively multiplayer online game (MMOG). Because evidence about learning outcomes from MMOGs is scant, this effort focuses on instructional games, particularly MMOGs, and the links between learning theory and the use of games and game elements for team training. Here, we address two questions: What is known about learning from games in general and MMOGs in particular? Can essential characteristics of MMOGs be designed to promote team learning and transfer? (Contains 2 tables.)