In Castlevania: Lords of Shadow for the PS3 and Xbox 360, you can unlock a cheat menu with various cheats available to turn on. Note that turning on cheats will disable saving until you restart, and will keep you from getting achievements/trophies.
On any of the level loading screens, hit the following on the dpad: Up, Up, Down, Down, Left, Right, Left, Right, B, A.
Cough *Contra*