MGame will not be accepting international credit cards at this time. They apologize for the inconvenience and thay are working on bringing this option up as soon as possible; but until then, if you are an international user, please use other means of payment (paypal or click and buy).
In addition, in the continued efforts to minimize fraud (thereby keeping the game clean of cheaters, botters, hackers, etc.), MGame will be implementing a new system for recharging ncash o f hero online gold. The following changes have been implemented:

-Each IP address may purchase a limit of 100 per day.
-Each account may purchase ncash up to 300 a month. If there is a particular need to purchase more, players may contact their billing team via the 1:1 Customer Service inquiry on the website.