In 'Whose Nightmare Is It Anyway?', players assume the role of a witty dream-weaver who accidentally gets stuck in a chaotic universe of nightmares during a freak cosmic glitch. The game unfolds across various surreal dream worlds, each representing one of the peculiar fears of its inhabitants. Players must traverse these bizarre environments, using their humor and clever dialogue choices to challenge and outwit nightmarish entities while gathering the unique 'Dream Keys' to escape each nightmare. Choices impact the progression of the story and lead to multiple surprising endings, all the while blending tension with laughs as the protagonist navigates through absurd challenges and whimsical horror.