An apparatus for interworking a mobile terminal account and a gaming account by interworking game record information in the mobile terminal and a game integration account used in multiple games. The method includes: storing information, on a storage device, on a game integration ID used to manage games for the gaming account; receiving, from a mobile terminal, unique terminal identification information of the mobile terminal; confirming whether a mobile ID is mapped to the terminal identification information; creating a mobile ID mapped to the terminal identification information when the confirming determines that a mobile ID is not mapped to the terminal identification information; and mapping, one-to-one, the created mobile ID and the game integration ID.