Game developer NC posted solid earnings figures for the second quarter of this year, driven by strong overseas revenue which surpassed domestic sales. During its earnings call on Tuesday, NC announced 770.5 billion won ($543.6 million) in sales and 173.9 billion won in operating profit for the April-June period. The figures represented year-on-year increases of 101 percent and 1,053 percent, respectively, with the company posting an operating margin of 23 percent. Of notice was its strong overseas sales. By region, Korea accounted for 48 percent of revenue, Asia for 25 percent and North America, Europe and other regions for 27 percent. With overseas markets accounting for 52 percent of total revenue, overseas revenue has exceeded domestic revenue for four consecutive quarters. One notable contributor to the growth was its mobile casual game segment, which posted 169.7 billion won in sales after JustPlay, the German mobile casual game platform NC acquired in March, was consolidated into its earnings for the first time. “Our mobile casual game business is a new growth driver, and was ful