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Answered
How do you get crystals when you invite your friends to the game?
I've invited someone to the game, but somehow everytime he ranks up I don't get any crystals? Why?
Answer

0
Answer
Answered
Scientist 5 years ago
Your friends have to register using your referral link.

Referral link is practically an invitation to the game send by the user. If the invited person creates a new account through your referral link (invitation) and then ranks or buy crystals, you get some crystal bonus in return.
This is how it looks in the game when you click on the friend icon.
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