Obesity can generate short and long term effects on health. Nutritionalknowledge is important to increase the potential of acquiring healthy eating habits and prevent obesity. In this study, it was investigated an educational game-basedintervention with the Nutrikids digital game to improve nutritional knowledge. Onehundred and sixty-four Brazilians fifth graders were divided into the following fourgroups: one that played the Nutrikids game; the lecture-game group, which received traditional classes and played Nutrikids; the lecture group, which received traditional classes only; and the control group, with no intervention. The results suggest that nutritional knowledge in students can be improved more effectively through game-based learning than traditional classes
