Change Pointer Color
The color of your butterfly pointer and glowing points normally will be blue if you begin the game as player one from the Wii Menu. Use a second Wiimote to start the game and those colors will instead be the same as that of the Wii pointer at the Wii Home menu.
Press and hold Z on the nunchuck while loading your game.
Hidden Weapon : The Knife
While loading your file, press and maintain "C" button, you will then continue your game with a new weapon: the knife.