Aerial landings:
During the Aerials, press B as soon as you hit the ground and keep the button held until fully landed.

Speed skating stamina:
If your stamina is low, take a break during the turns, and not the straightaway.

Alpine skiing giant slalom:
Stay as tight as you can when you turn to the next gate. If you hit the flag, keep staying tight to increase your speed.

Snowboarding giant slalom:
Edge by using A immediately after clearing the flag.

Curling:
It is best to be second in curling. The CPU will always try to hit where you can not get in the middle. Keep knocking the CPU's stones out until the last curl, then go for the middle.

Ski upside down:
Select Olympic mode and the Freestyle Aerials event. Choose any trick, and down press any buttons while moving downhill. After leaving the ramp, rapidly tap B. The skier will land and jump forward on his head and ski in that position.

Special medal sequence:
When you earn a gold medal in every event, including "Championship Mode" gold medal, you will see an ending sequence with credits. To see this again, press Up(2), Down(2), Left, Right, Left, Right, B, A at the awards screen to view the first sequence. Press Up(2), Down(2), L, R, L, R, B, A at the awards screen for the second sequence.

Random names:
Select any event and country. Leave the name blank and press Start.

Faster curling event:
Press Z after your character or the CPU has thrown the stone.

Control CPU curling:
Press A or B after the CPU has thrown the stone.

Bobsled short-cut:
Begin the Bobsled event, and wait for the second left turn. Hold Analog-stick Up and press Z + A + B to jump the track and end up ahead.