Glory of Rome is an older game that is making a come back. Here is how to select the domain 256 to join where most players are active

1. Glory of Rome
At the top of the game, near the clock,
click “Change”

2. Click “Create a City on another
World”
On the next pop up, a suggested
domain will be available. In the
top Corner Select Change World

3. You will now get a selection of
domain to choose from. Select 256
or the desired domain.
Click “Next”
You will be taken to that domain!!