ChaserMaseter is an application program to offer the data base by the application program of the Chaser series. This application program supports the maintenance of data bases of map information used by the Chaser series, item information, job information, and setting information, etc. (registration, correction, deletion, and list display). The data base is made with SQLLite. A registrable number of spots : up to two places in the trial version. There is no limitation in the number of spots in a pay version. A registrable number of jobs : up to four jobs in the trial version. The number of jobs is unrestricted in a pay version.