Quote Originally Posted by Meatdawg View Post
Interesting.... I just don't see how you can get 50k if you kill the boss right away instead of waiting for all the waves to finish...

Are you counting on the points from a top 20?
Yes, it will not work otherwise. Also as Sniper said, all the lower mobs must die, and then the boss. You want to have everything dead by roughly 11:00 for the time remaining bonus.