Grinding levels can be increased by turning in grinders tokens with the grinding master in the information center building at home.
By increasing your grinding levels you'll receive the ability to receive more and more rewards from actively playing the game, as detailed in this page.
The current maximum grinding level is 500.
Obtaining Tokens
Stores
| Store | Cost |
|---|---|
| Vote Shop | 33 Votes |
| Donator Token Shop | 80 Tokens |