The phrase "world title" refers to being recognized as the champion or the best in the world in a particular sport, activity, or competition. Full definition
At the age of 24, he has already won world titles in three different weight classes. (sho.com)
I can see some players taking issue with the utter lack of direction, but I personally found it a refreshing divergence from the usual hand - holding present in open world titles. (metacritic.com)
It is this phenomenal open world title with three unique protagonists. (dispatches.cheatcc.com)