Specifically concerning sales, the "NBA 2K" series has established itself as one of the better-selling video game franchises. A May 2014 earnings call reported that games in the series have sold over 17 million copies worldwide. A report in February 2017, however, suggested that games in the franchise have sold in excess of 68 million copies. According to one analyst, the most recent entries in the series average at least four million copies sold. The best-selling game in the series is "NBA 2K14", which sold over seven million copies; it is also Take-Two Interactive's best-selling sports game. "NBA 2K16" is the fastest-selling title in the series, shipping over four million copies within its first week of release. "NBA 2K16" sold over 10million units in 2017. As of December 2018, the series has sold over 90million units worldwide, making it the best-selling NBA video game series.