Codes are not case-sensitive
Active Codes
"ramberissuperior" - 3,000 coins
"WelcomeBack!" - 5,000 Emeralds
"WinterIsComing" - 25,000 coins
Inactive Codes
"saitmove" - 50,000,000,000 coins
"release" - 200 coins
"not5bthistime" - 5,000 coins
"sorry!" - Free Goatleaf
Trivia
The code "saitmove" was discovered by a player giving them 50 billion coins. The code was intended for the developers to quickly give them coins for testing. Many players used this code but in version 1.0.1, the code was removed and players that used the code had their coins reset.