Get Access to Expert Mode
First complete the game and wait for the credits to end. Save the game and restart to get the HARD difficulty setting

Pick a new outfit
After completing the game with any character and getting the two special crystals in the Execution tower using the Hard difficulty, save the game and highlight the character you used to finish the game. Hold the analog stick in the up position and choose the character to select a new outfit. Reidhart's alternate costume is Simon Belmont's original costume

Alucard Spells
Summon spirit:Back,Forward,Up,Down,and any attack button
Tetra spirit:Charge up,move to down, and any attack button
Hellfire:Up,down,half-circle from down to forward,and any attack button
Dark metamorphisis-half-circle from back to forward, and any attack button

Gold Rock(s)
On the Forest of Silence (Stage 1) enter through the first gate, and make sure you have holy water. Then, go to the cliff on the left, there should be a rock there. Then throw your holy water DIRECTLY in the center of the rock, and if you do it correctly, then you should get 2500 gold! This toke us awile to do, but it's worth it!