Original: As the third installment of the Castlevania series on the Game Boy Advance, many reviewers made note of the game's differences as versus its predecessors, Castlevania: Circle of the Moon and Castlevania: Harmony of Dissonance, with many considering it the definitive Castlevania game for the Game Boy Advance.
Simplified: It is part of the Castlevania series, and the third Castlevania game on the Game Boy Advance.