Akumajou Dracula - Gallery of Labyrinth (Japan) (Rev 1) (悪魔城ドラキュラギャラリー・オブ・ラビリンス改) is a Japan-exclusive action-adventure game developed by Konami and released for the Nintendo DS in 2007. It is the fourth installment in the Castlevania series and the first one to be released on the DS platform. The game is set in 1844, where the protagonist, Jonathan Morris, is tasked with exploring the castle of Count Dracula and uncovering its mysteries. The game features side-scrolling action-adventure gameplay, in which players explore the castle, battle enemies, and collect items. The game also features an RPG-style level-up system, allowing players to upgrade their weapons and armor. In addition, the game features several mini-games, such as fishing and cooking. With its unique mix of RPG and action-adventure elements, Akumajou Dracula - Gallery of Labyrinth is an engaging and entertaining game that will keep players coming back for more.