Make Leviathans a primary mission objective!

>Levi's float around over town/city
>Has spotlights and tractor beams on its belly it uses it abduct civilians before spitting them back out as voteless instead of having bombs
>Players have to destroy a certain number of leviathans before the mission area is depopulated.
>Every minute they waste not killing levi's results in more and more voteless on the map