Well, it's official now, LMO will close this year on September 30th, 2016 The announcement post is from LEGO Message Boards moderator WhiteAlligator:
"It is with a heavy heart we announce that LEGO Minifigures Online will be closing on September 30th, 2016.
We know that many of you are still enjoying your adventures in the game, and this has been a difficult decision for us to make but unfortunately, the time has come to retire LEGO Minifigures Online.
Starting June 6th, 2016, new players will be unable to join the game and the in-game chat will be disabled. Existing players will still be able to play up until September 30th, 2016. On iOS and Android, in-app purchases will be disabled on June 6th, 2016, and all content will be unlocked for players to enjoy before the game is discontinued.
It is never easy saying goodbye to friends, but we will forever be thankful for the time we have spent together with you – the community – adventuring through the worlds of LEGO Minifigures Online.
From all on the LMO team: thank you for taking time to explore the game with us, helping us improve it, and for being such a great community.
For inquiries, please visit help.lego.funcom.com"
I just want to say thank you all for making this game a great experience and thank you all for making this wiki a great hangout. :)