We also posted a Mario Super Sluggers secret (unlockable) characters guide so check that out if you need help getting all the game’s characters.
Unlockable Badges – These can be opened up by finishing particular objectives.
Buddy Badge – To unlock the Buddy Badge you need to have put every character on your team.
Error Item Badge – To get the Error Item Badge, you need to have unlocked every Error Item.
Play Badge – To unlock the Play Badge you must beat all of the mini-games that you’ll find in Challenge Mode, in addition to winning a game in Toy Field.
Stadium Badge – To unlock the Stadium Badge you will need to have all the playable ball parks unlocked.
Star Badge – To unlock the Star Badge you must get all the Star Characters for every playable character.
Unlockable Fields (Stages) – These are all unlocked via the Challenge Mode.
Bowser Jr.’s Playroom – You must beat Bowser Jr. in his stadium to unlock it.
Bowser’s Castle – To unlock Bowser’s Castle you must beat Bowser.
Daisy Cruiser – To unlock the Daisy Cruiser Field you must buy the “Cruiser Pass” from the shop that you will find in Peach’s Ice Garden.
Luigi’s Mansion – To unlock Luigi’s Mansion you need to buy Luigi’s Flashlight from the shop that you will find in Mario’s Stadium.
How to Play Fields at Night
Beat Bowser Jr.’s Playroom in the Challenge Mode in order to play many of the game’s fields at night. The only one’s you can’t play at night however are Luigi’s Mansion and Bowser’s Stadium.
How to Unlock the Last Movie
You must beat Bowser twice to unlock the last movie.
How to unlock Minigame Madness
You must beat all of the mini-games on the Star difficulty level (however you can’t play this in Challenge Mode).