(1) The opening ceremony for GameJam2015 kicks off a 30-hour game development event focused on rebuilding areas affected by disasters through nurturing IT skills. (2) Participants will work in teams to design, develop, and present playable game prototypes that explore using IT to support reconstruction efforts and create opportunities for learning skills needed in the future. (3) The event aims to incorporate an concept of broader IT clusters in the affected regions and is supported by companies across the game industry.