I suggest you create a new account as well (but contact support first to confirm my info),
AFAIK, if you create a new account then they will freeze or block your old account because you are only allowed to have 1 account
since who knows there will be more multiplier contest on BK8.
Yes, the newest Slot competition is on the way with some new rules.
Sports competition is still on review, Slot games are the main focus at the moment