Badges, competition, and scoring aren't the only game-design elements to pay attention to.
The original Mario game was released in 1985 and turns 34 years old this year. You can give individuals a controller for this game and they likely will be able to quickly understand the general goal and control scheme. Simplicity is always the best approach to creating something that people will inherently understand. As instructional designers, it's important to not only ensure that content is con