Neptune Company develops and supplies mobile games in South Korea. It operates game studios under the TREEPLLA, PLAYHARD, NFLY STUDIO, EK GAMES, NCROQUIS, Play Lab, HNC Games, prettybusy, and Nimble Neuron names, and also engages in platform business. In addition, it operates SSP and ad exchange platforms, including AD(X) and AdPie, for monetizing in-game advertising space in mobile apps and games, along with KLAT, a ChatAPI; NewsPub, a news curation service; Remake, a digital marketing specialist; and PointPub, a reward-based advertising platform. The company also develops and services non-game utility applications such as Alarmmon and Subway. It was founded in 2012 and is headquartered in Seongnam-si, South Korea.