Other improvements include LAN play and online play through Xbox Live, a re-recorded soundtrack that features a “new orchestral score,” and added campaign narration.
That means things like an improved minimap and in-game tech tree, re-recording the soundtrack with a full orchestra, and campaign narration on every single-player mode. Microsoft says that it needed the extra time to bring the game up to 2018 standards. New minimap, new narration, new tech trees Age of Empires: Definitive Edition will come out on PC on Feb.