Before the timer starts, press A + B to use a different circular paddle.
Successfully complete the indicated task to get a Platinum medal in the corresponding event:
Allow the game to idle at the Game menu. Your Mii will fall asleep and new music will play. Your Mii will eventually wake up and the music will return to normal.
In the Find Mii mini-game, every time you are asked to find the different Mii or Miis, start to pointing at every Mii. If at any moment you are pointing to a Mii but instead the Mii in front of that one stands up (or the one at the back, etc.), that one is the different one (the Mii that stands up without pointing it out).
To get a Gold medal in Laser Hockey, you must get a score of ten or higher and win the game.
During a single player game in the Shooting Range, press a button on a second Wii-mote. You will now have two sets of crosshairs, and if you are quick enough, twice the shots. -From: Randy Rowland
At the main menu, select your Mii and it will do different things. If you select its right arm, it will give you a thumbs up. If you select its left arm, it will wave. If you select its head, it will shake it. If you select its torso, it will jump. If you select its right leg, it will lift it up along with its hands. If you select its left leg, it will act as if it is about to fall.