Konami Code

The Konami Code is a special combination of buttons that appears in several Konami games, including Castlevania ones.

Combination
Up, Up, Down, Down, Left, Right, Left, Right, B, A, Select

Effects
The effect will depend on the game played. In Harmony of Dissonance, it will unlock a 8-bit Simon Belmont in Boss Rush mode. In Lords of Shadow 2, Dracula will wink at the player in the menu when Start is pressed.