The project ‘Serious Games 4 Energy Transition’ focuses on teaching children technical and scientific skills in a playful way in order to promote their understanding of climate change and renewable energies as an instrument of climate protection. In addition, by dealing with the effects of climate change in cities, a reference to their own living environment is established, which strengthens the pupils’ own possibilities for action. In the project, educators and scientists from the field of renewable energies work together to prepare the complex topic for primary and lower secondary school students.