I, like many others, am not really into playing as a protagonist who gets cucked. I do, however, enjoy playing as a protagonist who cucks others. I'm specifically into games where the MC cucks/humiliates other girls, whether it be by screwing a girl while another girl watches, telling a girl that another girl is a better sexual partner, or humiliating a girl for getting turned on watching you screw another girl. I know there are tons of harem games where you can bang many chicks, but very few have the cuckquean element.