Ubiquitous computing is still a maturing field of investigation. The vision of the seamless integration of computers to people’s life has yet to happen, if it ever has to become a reality. Nowadays, most mobile, distributed systems and sensor technologies have their faults and limitations. Users of ubiquitous technologies often learn to avoid or rectify the systems failures. However, there is still a lack of quantitative information concerning how they impact the collaboration. Therefore, we propose to use a ‘field of experiment’ approach based on a pervasive game platform. Our aim is to rely on a mix of qualitative and quantitative evaluations to find out how uncertainties modified the collaborative processes.