1. Complete ""Daily Missions"" for coins.
2. Kill more dwarves for more coins in ""Dwarven Treasury"".
3. Complete as many stages as possible in ""Campaign"" to earn more coins.
4. Spend diamonds for coins through Hand of Midas.
5. Complete standard or Underground stages for coins.
6. Sign in for coins.
7. Get coins through ""VIP"". Higher titles get more coins.