It was a normal day, then the whole world changed you were now in an apocalypse

Pick the type of apocalypse

Zombie Apocalypse: A virus turns people into rabid cannibals Alien Invasion: A highly advanced alien civilization shows up and takes over Multiverse Collision: Our universe hits another causing matter and antimatter to evaporate Gravity Shift: A change in the forces of gravity causes everything to fly apart. Time Travel Paradox: Traveling through time causes a paradox in time