This document provides a summary of game-based learning initiatives in adult education across several European countries and the United States. It includes national reports on initiatives in Greece, Italy, Portugal, Romania, Spain, the UK, and US analyzing the use of games. It also identifies 28 success stories of good practices using game-based learning for skills development in adults. The overall report aims to explore the potential of games for competency development in adults and identify factors influencing successful game-based learning programs.