NX is a virtual currency used in all games serviced by Nexon America, Inc. NX can be spent to purchase in-game items, accessories, and services. There are two types of NX:
NX Prepaid is purchased using Karma Koin, Nexon Game Cards, Xsolla, or PaySafeCard (PaySafeCard only available in Europe). There are no restrictions on NX Prepaid.
NX Credit is purchased using a credit card, PayPal, or Mobile charge. NX Credit cannot be used for certain items in Nexon games. Full details can be found in the NX Credit Restrictions article page.
Below are the different payment options to purchase NX.
Karma Koin: Karma Koin cards are available in the gift card section at many retailers. Buy a card, scratch off the silver back, and enter the pin code to charge your account with NX. Visit the link below for more information about Karma Koin: http://karmakoin.com/
Credit Cards: Purchase NX Credit in seconds using your Visa, MasterCard, or American Express. (Powered by PayPal)
BilltoMobile: Purchase NX Credit using your Sprint and US Cellular mobile phone. It's easy, secure, and fast! There's no registration necessary and your NX purchase will be charged to your phone bill.
PayPal: PayPal is a trusted online payment service. Provide your payment information to PayPal and PayPal does the rest! Have your PayPal Account information handy when you purchase NX.
Xsolla: Xsolla offers various payment methods such as cash, gift cards, e-wallets, and more!
PaySafeCard: (Europe Only) PaySafeCard lets you pay online as quickly, simply and safely as if using cash. Buy PaySafeCard at over 450,000 sales outlets around the world and pay with it at thousands of online shops.
Nexon Game Cards: Nexon Game Cards have been replaced by Karma Koin cards and are no longer available at retail outlets. If you still have unredeemed Nexon Game Cards, they never expire and can be redeemed for NX at any time.
Boku: (Europe/Canada Only) Charge NX Prepaid using your mobile phone with Boku! Click here for a list of accepted phone carriers.
Epin: Epins can be purchased from various European online retailers.
BoaCompra: (South America Only) Purchase NX Credit via multiple methods of payment including Visa, Mastercard, American Express, BoaCompra Gold and more!