You will also work towards this achievement:

The fastest way to do this is select a villager, press Q (hotkey) to get a house ready and then just click where you want to build it. Always start off with building about 20 houses or so, so you can house enough troops/villagers. Once every game starts press ENTER, type ' steroids ' and press ENTER again to make buildings go up instantly and to make troops be trained instantly as well. It does not matter versus what empire you are playing, but for yourself, you will have to go through some of them depending on what achievements you are going for. Then make sure that at least these 2 boxes are checked/ticked: Allow cheats and Full Tech Tree. Starting age: Post-Iron age (for most of them) Map size: Gigantic (useful for some achievements) Load up a single player custom game with the following settings: There is a whole bunch of achievements which you can easily get in custom games. NOTE: Achievements pop upon starting the game if you've already earned them in the 2018 version of Age of Empires