Blue Yoshi Cheat
Play the story game at the "Yoshi Park." Run up to the dark blue Yoshi and answer his trivia questions. The questions vary and feature basic Mario questions and baseball questions. Write down the number you receive after each question and then use the numbers to unlock the Wiggler from the train tracks.
Toy Field Victory
Play a baseball game at "Toy Field." You will see multiple Wigglers in the stands and among the toys. Once you complete a full successful game, you will unlock the Wiggler. A message appears on the screen to confirm this and the Wiggler is available in the menu selection.
Mario Super Slugger Game Save Files
Download Wii game save files to have everything unlocked in "Mario Super Sluggers," including the Wiggler characters. Cheat Junkies features multiple save files. Click and download the saved game file and export it to a SD card. Insert the SD card into your Wii and transfer the game save to the card. Choose the file with the most downloads to have the most success.
Game Save Backup
Before you upload the game cheat file, you should backup your current game. Place an SD card into the Wii. Use the Wii remote to load the "SD Card Menu." Click on the Wii console tab and find the "Mario Super Sluggers" game save. Press "A" and select "Copy to SD Card." Once complete, a back up file is saved so you can access your old game progress.