GOAL aims to develop a multi-dimensional theoretical framework that supports evidence-based overweight prevention via gamified health technologies. The framework targets eHealth service providers and urban infrastructure designers. The project addresses a theoretical gap between the disciplines of health behavior change, smart healthy living environments and health game design. A socio-ecological approach is combined with design science methods to develop an integrated and validated framework. Besides statistical tests based on hypotheses we also use association rule mining and other computational intelligence techniques.