@lucianayivanna wrote:Good evening friends, apart from the 11 worlds to play. How do I unlock the last world? where I get the key number 12 in other words. Thank you.
I'm guessing you mean the jagged rift after Modern Day. There is no key and nobody seems to know what, if anything, is in there. It's been assumed that at some point in the future there may be additional world(s) added which would appear in that location.