Talk Town is a serious digital game to overcome social isolation in Deaf children by combating stigma associated with hearing impairments and providing modelling of social communication skills. This paper presents the research process and outcomes to ensure that Talk Town is engaging and useful for players, educators and parents. It is described and framed using Cooper’s Requirements Definition and qualitative methods. The motivation for the gamebased intervention is illustrated with findings from a structured literature search and supported with insights gained from qualitative enquiries. Findings and themes from interviews and co-design activities are discussed, personas and artefacts illustrated, and relevant content, game and design recommendations for future work in this area presented