How do you get nx credit on combat arms

You can fill out free surveys for a bit of free NX. But if you want serious NX, you can purchase it for around $1 = 1,000NX. You can purchase with credit card, paypal, and with pre-paid Nexon game cards. Nexon game cards are available at Shoppers, Zellers, and 7 Eleven in Canada. If you are a US resident there are other store options for purchasing NX.