You can ONLY top-up the Game Cash by clicking the "TOP-UP CASH" button in the Flyff Shop
Currently, POINTs purchased at play2bit.com cannot be converted to Flyff Game Cash. Please note that POINTs cannot be used within Flyff and refund cannot be made after purchasing POINTs.
Select "Menu - Premium Items - Flyff Shop"
Click the "TOP-UP CASH" button located at the bottom right
Select the item to purchase and the payment method
Confirm the top-up complete messege