DOWNLOAD AGE OF EMPIRES III OBSERVERS MAP FULL SET All Standard ES Maps set up as 1v1 with Observer Mode. Non-rated. Comes with the option to select Random All or Standard Observer Maps! This mapset was created due to a lack of Observer mode in the normal Age of Empires 3 game. There was no way to have a game played with extra players not part of the game to watch. Originally pftq only creat... more.