Almost ten years have passed since incels came on the map. Incel, a portmanteau of the words involuntary and celibate, is a motley, like-minded group of young men with the commonality that they cannot achieve a (sexual) relationship with a woman. Since 2014, more than 100 different individuals have been either killed or injured in the incel uprising against women's oppression of men. Misogyny and self-hatred permeate the incelosphere and affect their understanding of the world. From a bluepilled rejection of the truth to a blackpilled understanding of a matriarchy that can only be escaped through suicide or the extermination of women. The purpose of this thesis is to investigate how responses to perceived strains are expressed in the incel forum Incels.is and how this can be seen in the light of radicalization. Based on a theoretical thematic analysis strategy, 339 collected threads from the forum form the foundation for an analysis based on a perceived strain-related radicalization framework. The framework is created based on Robert K. Merton's five responses to strains and Brian Van Brunt and Chris Taylor's Incel description of the radicalization funnel model. The study revealed that incels exhibit responses relating to four out of the five types of responses to perceived strains. The perceived responses to strains also show signs that incels on Incels.is is located throughout all eight stages of The Incel Funnel. Comments and postings have demonstrated signs of varying degrees of radicalization as responses to perceived strains. However, this study can only provide insights into the investigated part of incels.is, and not make any definitive conclusions about the members of the incelosphere as a whole.