Castlevania Advance Collection includes three legendary Castlevania games that were first released in the early 2000s: Circle of the Moon Aria of Sorrow and Harmony of Despair. In addition this collection also includes Castlevania: Dracula X and some never-before-seen sketches and artwork from the games!All four games are enhanced with newly added modern features such as Rewind Save/Load and Replay making this the best way possible to experience these classics or discover them for the first time! This collection also boasts a handy Encyclopedia a Music Player with all soundtracks; and you can even change the ROM Region to play all games in different versions.