Challenges are cool, I would prefer something more convoluted and indeed... well, challenging. But party mode will do it for me.
You unlocked Mai because the game registers certain amount of hours in-game, after a certain amount of time you will unlock characters.
Given who's been revealed so far (officially), what team(s) do you think you'll main for sure?
I'm really, REALLY waiting for Kensou before I make any final team decisions. Is one of my favorite characters, like, way too much. The thing is, I hate the kind of sprites and goofiness they use for his character. I hate his 94-2002 design, it just looks like "that goofy kid that eats buns", I also dislike his XIII green attire, it just looks like "that random kung fu kid".
But his XI design?, is SO badass!, is great and really cool and.. I love it!, he also dominates the dragon power like he has never done it before and he has every possible move Kensou has learned so far. Best Kensou ever IMO (part of the reasons why I like XI so much)
Looking at the leak, he will have a black attire maybe?, so here's hoping that they give him the looks and personality he deserves. He is a freaking dragon!!, not a comic relief!! D:
...yeah... sorry for the rant.