Yes, you can change the name in the game 3 times. The first time goes for free, the other two require diamonds. Every name is unique and can be used only once. To change the name:
1. Press the button with the "i" symbol in the upper left corner to open your Profile.
2. Use the Change Name option at the top of the window next to your current name in the game and level.
3. Input your new name in the field and press Save to confirm the changes.
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