This paper explains the emotional education gamified program Happy 8-12, which has been designed and evaluated based on current scientific research. The Happy 8-12 gamified program is a videogame that aims to improve emotional skills to resolve conflicts in an assertive way and through emotional management. The emotional management process that is trained in Happy 8-12 consists of the following steps: 1. Emotional awareness 2. Stop 3. Regulation strategies 4. Assertive response Happy 8-12 presents a total of 25 conflicts. From these conflict situations, 15 of take place in the school context and the other 10 are among siblings, always in the family context.