Social games platform company Gree announced several new partners, as it continues its work with independent developers. Gree will soon offer games from Hothead Games, Soma Games, SpaceGum and SiuYiu, as it aims to use unique content to improve engagement. "These partners represent a talented group of game makers that we expect will bring new experiences to our growing game community,” said Gree SVP of developer relations and marketing, Eros Resmini.