Complex sentence: It is the seventh title in the "Grand Theft Auto" series, and the first main entry since 2002's' was released on the same day as the handheld game "Grand Theft Auto Advance" for Game Boy Advance.
Split into simpler sentences: It is the seventh title in the "Grand Theft Auto" series, and the first main entry since 2002's'. It was released on the same day as the handheld game "Grand Theft Auto Advance" for Game Boy Advance.