You can get free RC in the following ways:
1) Daily Login
Bonus
If you log in every day (no matter how long you spend playing the game that day), you will receive a daily bonus. On every 5th consecutive day that you log in, you will receive RC or another special item, such as Gasoline, Fertilizer or OP.
For more information about the Daily Login Bonus, please find the FAQ topic "Daily login bonus".
2) Level up
Every time you level up you will receive 1 free RC.
3) Achievements
You can get free RC by completing achievements, which can be found in the Achievement House.
For more information about the Achievement House, please check out the FAQ topic "Achievements".
4) Mystrons
You can collect Mystrons from the calendar, the fortune wheel and from fishing. Mystrons can be traded in for various items in the Mystery Store which can be accessed from the in game Menu button.
5) Fortune Wheel
If you are feeling lucky, then have a spin on the fortune wheel and you'll have a chance of winning some free RC.
6) Fishing
Get all the stars in the Fish Book. The Fish Book can be found at the fishing pier. For certain fish you can get free RC.
7) Dedicated Farmer Bonus
Finish the Dedicated Farmer Bonus. You can find this at the upper left corner of your screen, the icon looks like a treasure chest. Continue collecting these bonuses and rewards and you will eventually receive free RC as well.
Finish the Dedicated Farmer Bonus. You can find this at the upper left corner of your screen, the icon looks like a treasure chest. Continue collecting these bonuses and rewards and you will eventually receive free RC as well.