Castlevania: Harmony of Despair is a side-scrolling action-adventure game developed by Konami, released in 2012 for the PlayStation 3 and Xbox 360 consoles. The game is a sequel to the 2009 game Castlevania: Order of Ecclesia and features a unique co-op gameplay mechanic, allowing up to four players to play together online. In this guide, we'll cover the game's story, gameplay, characters, and provide tips and tricks for playing the game.