Buy districts, collect a whole colour set, then build until the rent breaks everyone else. Play online with friends, or offline against bots.
Create a room and share the code. Everyone plays on their own device, in real time.
One device, no server. Pass it around the table, or fill the seats with bots.
Pick a city, seat your rivals, and agree the house rules. You are the host, so every setting below is yours to change.
2 to 8 seats. Everyone shares this screen — pass the device on each turn, or let bots fill the table.