International policies to reduce global warming impact directly on territorial strategies concerning decision making on urban development projects. It is thus necessary for local authorities to adopt the best practices, and to take informed decisions in order to move towards more sustainable urban development projects. But today the challenge lies in the involvement of all the stakeholders in the project, each with specific needs and different points of view in a given context. Thereby learning and awareness for sustainable development is necessary. This research helps to highlight the appropriate tools that meet these challenges of education and learning for sustainable development leading towards a shared vision for all stakeholders. “Serious games” seem to be a relevant trail of investigation and development.