Castlevania: Dawn of Sorrow (USA) (悪魔城ドラキュラソウルハッカーズ, Akumajō Dorakyura Sōruhakkāzu) is a 2005 action-adventure game developed and published by Konami for the Nintendo DS. It is the sequel to Castlevania: Aria of Sorrow, and is part of the Castlevania video game series. The game follows Soma Cruz, a young man with magical abilities who must battle his way through Dracula's castle and defeat the dark lord himself. The game features a wide variety of enemies, from classic Castlevania monsters to more modern creations. Players must use a wide range of weapons and magical abilities to defeat their foes. The game also features branching paths, allowing players to explore different parts of the castle and find new items and secrets. The game also features an RPG-style leveling system, allowing players to customize their characters and progress through the game. Castlevania: Dawn of Sorrow also features a unique 'Soul System', which allows players to capture the souls of defeated enemies and use them to power up their weapons and abilities. The game also features a 'Julius Mode', where players can play as the series' protagonist, Julius Belmont, and use his unique weapons and abilities to battle through the castle. Overall, Castlevania: Dawn of Sorrow is a classic action-adventure game that combines classic Castlevania elements with modern elements to create an exciting and unique experience. With its branching paths, RPG elements, and unique Soul System, the game is sure to provide hours of entertainment.