Objective: to elaborate and validate the content and appearance of an educational game regarding healthy lifestyle habits for adolescents Method: methodological study carried, in 2016 out in Picos (Brazil). In order to develop the initial version of the game, a survey gathered scientific information and the content. In the end, the game was divided into: home screen and the living room, kitchen and the square scene, where the sports scene was inserted. To validate the instrument, 15 experts were selected, who evaluated the content, didactics and appearance of the game. Ten adolescents evaluated the appearance and usability. In addition, one questionnaire was used for the specialists and another for the adolescents. The Content Validation Index was used to validate the game, which considered the instrument and the items as validated when an index ≥ 0.78 was obtained. Results: the room scene had access to the kitchen and the square. The sport scene was designed for physical activity and the purchase of food, which would be consumed in the kitchen scene. The experts gave the game a Content Validation Index of 0.88 for the item "objectives", 0.87 for "structure and presentation" and 0.99 for "relevance", reaching a overall Content Validation Index of 0.89. For adolescents, the item "appearance" reached the index 0.97 and for the other items, 1.0 and overal index of 0.99. Conclusion: the game was validated in terms of content and appearance and could be validated clinically with adolescents as an incentive to adopt protective behaviors for their health.