Hajimete no Wii cheats and cheat codes for Nintendo Wii

Skip the scores after the game:
Hold A. To pause it, hold B.

Laser Hockey: Alternate paddle:
Press A + B before the game timer begins.

Unlock screen saver:
Remain idle for a few minutes at the Game menu to see the screen saver.

Unlock platinum medals:
Complete the following tasks to earn the indicated platinum medals.

Table Tennis platinum medal: Return the ball more than 200 times without missing.

Shooting Mange platinum medal: Get over 600 points.

Pose Mii platinum medal: Get over 1,000 points.

Laser Hockey platinum medal: Get at least 16 goals and win the match.

Fishing platinum medal: Get over 2,500 points.

Find Mii platinum medal: Get to stage 100.

Charge platinum medal: Get a score of 325 points.

Billiards platinum medal: Get at least 63 points.

Tanks platinum medal: Finish the first 20 levels to earn the Gold medal,
then re-play the whole game again, which now has 100 levels.