This book constitutes revised selected papers from the 7th Workshop on Computer Games, CGW 2018, held in conjunction with the 27th International Conference on Artificial Intelligence, IJCAI 2018 in Stockholm, Sweden, in July 2018.The 8 full papers presented in this volume were carefully reviewed and selected from 15 submissions. They cover a wide range of topics related to video games; general game playing.- machine learning and Monte Carlo tree search.