Introduction of Netmarble US, Inc. Netmarble US, Inc. is a US subsidiary of Netmarble Games Corp., headquartered in Korea. Netmarble US, Inc. aims to localize and to do marketing mobile games, pursuing high-value added business. Established in the US as the base of global penetration, Netmarble US, Inc. aims to reach global consumers by providing entertainment and helping enrich satisfaction of life.