The integration of game playing with online education has recently become one of the most discussed issues in the e-learning field for its potentially positive impact on the development of related industries and on the social lives of young people. In this article, the authors propose a set of design considerations to assist game-based learning producers in their practices. Sixteen experts with both online game and e-learning production experience were invited to validate and refine these considerations. These considerations can assist game-based learning producers according to content, budgetary, time, personnel, and quality goals and limitations.