To understand what you can and cannot do in Supercell games, please read the Terms of Service and Safe and Fair Play.
Below are some practical examples of what we consider inappropriate and which could get you in trouble:
Abusive BehaviourUse of Third Party Software Unauthorized Gem Selling / Buying Buying, Selling, Sharing game accounts, or giving away or receiving an accountSupercell Staff impersonationPhishing other players’ accountsRefund abuseKnowingly exploiting a bugEncouraging others to break the rulesAsking for or providing personal contact informationMisuse of in-game chat for Advertising, Spamming & Scamming