Where Do Game Design Ideas Come From? Invention and Recycling in Games Developed in Sweden

@Conference{digra459, title ="Where Do Game Design Ideas Come From? Invention and Recycling in Games Developed in Sweden", year = "2009", author = "Hagen, Ulf", publisher = "DiGRA", address = "Tampere", howpublished = "\url{https://dl.digra.org/index.php/dl/article/view/459}", booktitle = "Proceedings of DiGRA 2009 Conference: Breaking New Ground: Innovation in Games, Play, Practice and Theory"}