To unlock cheats, look for small, glowing, white orbs (eggs) hidden throughout Transylvania. Stand on one and press B. A message should appear at the bottom of the screen with more information about what was unlocked.
Find the large gear room in the Castle Frankenstein's basement. Stand on the wooden platform on the right side of the room, then use the grappling hook to reach it. Alternately jump on the stallions while fighting Demon Verona on the stagecoach. Get knocked off the stallions by of the brides. An intermission that shows Van Helsing getting dragged under the coach will appear. Repeatedly tap B while under the coach to collect the cheat icon.
In mission two, look near the Ghost Body cheat icon to find the Big Head cheat icon near a wagon.
Complete mission five, then get egg in the well. Defeat the werewolf in the town, and put the egg on a pedestal to get the cheat icon.
In mission two, look behind the 'dragon' door at the start of the train station to find the cheat icon. Use the alternate Tojo blades to collect it.
In mission six, enter the side entrance to the castle. After defeating the werewolves, walk to the lion gargoyle that is pouring water and press B. The cheat icon is in its mouth.
In mission two, get past the train station area and look behind the 'dragon' door.
Just after entering the side courtyard of Castle Frankenstein, turn left (in the direction of the tower). Double jump around until you can see the cheat icon. Use the grappling hook to reach it.
Once you have completed the game and wait for the credits to roll, you will be prompted to save your game on a new game option. Do so and you can start the game with all previously unlocked cheats, power-ups, and items.
When a Boss or other strong enemy grabs you, keep pressing L (Shoot) to take away great amounts of life away from them.
When you get to the part where you have to fight the three Vampires, take out the one on the left first. When the center Vampire is going to attack, she will make a screeching type of sound. When she does that, get ready to dodge her attack. When she uses her lightning attack, hide behind the pillar. When you take out the Vampire on the left, the center Vampire will transform. The transformed Vampire will land on the ground and remains still. Back away and do not get hit when she dives after you. If you follow this and attack at the correct times, you should be able to defeat them.
Mission one cheat icon
When you first can use the grapple, you will see something white glowing. It is the cheat icon. After using your grapple, jump and get it.
Complete the game on hard difficulty.
Beat the game on any difficulty and finish each level with your hat on.
When fighting the Werewolf the second time, when he gets up on the wall and starts to run around he will roar before attacking you.