In 'ChronoRumble: Whose Universe Is It Anyway?', you play as a quirky time-traveling historian who accidentally merges timelines from different universes. You find yourself in a bizarre world where historical figures, fictional characters, and mythological beings all collide. Your mission is to navigate through the chaos to restore the timelines while interacting with eccentric characters, dealing with hilarious historical inaccuracies, and facing absurd scenarios. As you make choices, each decision alters the story, leading to wildly unpredictable outcomes and side-splitting situations.