You can create Clubs/Unions after reaching level 13 in the game. Here’s how to create a new Club/Union:
- Open the Clubs/Union(s) tab in the Friends menu.
- Select Create Club/Union at the top right.
- Choose the attributes for your Club/Union in the menu that appears.
- Hit the green Create Club/Union for XXX button. Depending on the game title, you may be charged some coins or crystals for creating a Club/Union.
After creating a new Club/Union, make sure to invite your friends to join it.