In 'Whose Nightmare Is It, Anyway?', players find themselves trapped in a surreal dreamscape where their deepest fears take form. You play as Casey, an unsuspecting dreamer who accidentally stumbles upon the 'Nightmare Nexus'—a place where nightmares of various people intersect and combine in unexpected ways. As you navigate through bizarre landscapes, face disturbing manifestations of others' traumas, and solve mind-bending puzzles, you must unravel the mystery behind the Nexus and find a way to escape before your own worst fears surface. The choices you make affect not only your journey but also the outcomes for the dreamers whose nightmares you traverse, leading to multiple endings and revealing the interconnectedness of fear and empathy.