This document discusses the adaptability of the Global Game Jam by examining its implementation in Japan. It describes how the Global Game Jam spread game prototyping culture and participatory design approaches in Japan. It also outlines strategies for designing effective regional game jams, as illustrated by the Fukushima Game Jam, which brought together developers to create games addressing issues in areas affected by the 2011 earthquake and tsunami. The Global Game Jam is concluded to inspire new collaborative game jams worldwide while requiring adaptation to different cultural contexts.