Japanese Map
Go to ''Design Mode'' and click on ''Map''. Then hold the L and R buttons while it's loading. Once you get there, you should see a map with three Japanese letters on it made out of mountains.
Sound Room
To unlock the sound room, beat the campain and buy it from Hachi for 5000 points. After you buy it, go to battle maps and press select.
Play as Colin
Buy Grit or Olaf at the store.
Play as Drake
Complete all Green Earth campaign levels to unlock Drake at the store.
Play as Eagle
Complete all Green Earth campaign levels to unlock Eagle at the store.
Play as Grit
Complete all Blue Moon campaign levels to unlock Grit at the store.
Play as Hachi
Complete all the hard mode campaign levels to unlock Hachi at the store or buy everything in his store.
Play as Hawke
Complete all Black Hole campaign levels to unlock Hawke at the store.
Play as Jess
Buy Drake or Eagle at the store.
Play as Kanbei
Complete all Yellow Comet campaign levels to unlock Kanbei at the store.
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