From now until 12/26 at midnight, you'll be able to unlock extra Zen! When you purchase virtual currency via our Charge Page using select payment processors listed below, we’ll add additional value to your purchase for you to spend in all your favorite games. Here are some additional details:
 

This Charge Bonus is ONLY available for the following payment processors:

Direct Credit Card (Visa, Mastercard, American Express, and Discover)
Paypal
Skrill (Formerly Moneybookers)
BoaCompra
Xsolla
Paysafecard
Steam