I really don't think that Mike is doing this "for the lulz." I'm sure that the puzzle has an actual solution and it is an achievable solution. It's a game for the fans to find out information about the new album.
I think that the message says that the new album will be ground-breaking (the phrase is in there) and will be a double album (burst forth at once or whatever it said). Also, it appears to allude to the end of summer (the brightness falls bit), which may be a release date (such as the September 24 release date that has been previously posted about.