Castlevania : Portrait of Ruin , known in Japan as AkumajÅ Dracula Gallery of Labyrinth , is an Action RPG video game made by Konami for the Nintendo DS handheld video game console . Castlevania : Portrait of Ruin , known in Japan as AkumajÅ Dracula : Gallery of Labyrinth , is an action video game developed and published by Konami .