This workshop intends to be a forum where researchers, practitioners and industry representatives have the opportunity to present and discuss ongoing work and latest research results of meaningful play and serious games. The workshop intends to cover several dimensions of the original research as regarding to theoretical, methodological and technological developments and also new applications. We invite authors to submit unpublished work to the Fourth Iberian Workshop in Serious Games and Meaningful Play - SGaMePlay’2014. Authors are invited to contribute with research papers, case studies and demonstrations that present original scientific results, methodological aspects, concepts and approaches in the multidisciplinary field of serious games.