@INPROCEEDINGS { AUTHOR = "El{\'{\i}}as Zelada and Francisco Gutierrez", TITLE = "Dynamic Difficulty Adjustment of Video Games Using Biofeedback", BOOKTITLE = "14th International Conference on Ubiquitous Computing and Ambient Intelligence (UCAmI)", PAGES = "925-936", MONTH = "Nov", YEAR = "2022", ADDRESS = "Cordoba, Spain", PUBLISHER = "Springer-Verlag", SERIES ="Lecture Notes in Computer Science", }