Talk:Dr. A's Trunk/@comment-5522921-20140507034450/@comment-15387575-20140507053527

well, It depends on how many hp points, number of deaths or number of kill zombies you have.

As for me, you quite almost right.

Today, I got Rank A or B and then i got high level of Map for only once.

In my opinion, You probably have to play more or get more of those options above what I said.