Complete the game as Alucard with 180% (or more). Then, start a new game and enter the following codes as your name:
Complete each of the following achievements below to get the allotted gamerscore:
The strongest weapon is the Badelaire. The longer you play, the stronger the weapon gets. It can get stronger than Murmasa, and even the Sword Familiar.
To kill any Boss rather quickly, equip the throwing knives and stand some distance away. Throw the knives as quickly as possible and you should deal a considerable amount of damage each time. Note: Olrox, Shaft, and Dracula will not go down as easily and Richter Belmont is immune to them.
Use the "Walk through walls" glitch at the first area (the one with the drawbridge) and fall below the map. Go towards the drawbridge and you will fall into a hole leading to an underground cavern. There are only two ways to go; up, which leads back to the main floor, or right, which takes you to a glitched save point which does work.