Talk:World 1/@comment-13224152-20141001095830/@comment-198.99.28.241-20141002142341

^ You don't get it, there's a quest for getting Z1 requiring 4 subs.

On topic, patience, clearing 1-5 medal alone and expecting subs? you gotta try much more. Stay on 1-5 long enough after HQ lvl 80 can net you quite a few subs, you can also try the newer maps, while not easy, drop subs slightly easier (not requiring S rank)