Install Clash Royale on your device
Open the game
Sign out of any existing Supercell ID if logged in
Use a different Google Play, Game Center, or Apple ID account
Clear the app data or reinstall the game if needed
Launch the game again
Choose to start a new account when prompted
Enter a new player name
Complete the tutorial
Link the new account to a new Supercell ID
Verify the email for the new Supercell ID
Keep the new login details separate from your old account