WPP and Revolution Capital are making a second investment in InGameAdvertising, the Shanghai-based Chinese in-game advertising network.
They first invested in 2008, when WPP 12.82 percent of the company.
WPP says it wanted to maintain its minority stake in IGA’s second-round funding, which is joined by Singtel Innov8.
IGA was founded in 2005 and employs 30 people.
WPP has targeted digital and emerging markets as growth areas. It already had invetments in in-game ads company WildTangent and Scottish games developer Realtime Worlds.