Erase save data by holding L+Right+Select before turning the game on.
To get Sturm, beat the campaign and get an "S"
rank for the overall rating. Then you can buy
Sturm for 5000 coins. Now you can use him to beat
the War Room maps easily.
To get the chinese map, hold L and R button when you go to the design map, when the screen turns black. If you did it correctly, the mountains will spell something in chinese. I got two of my friends and they both said it means "In Heaven."
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. Enjoy
Blue Moon missions cleared:
Olaf - 600 coins
Grit - 600 coins
Colin - 600 coins (appears after buying Olaf and Grit)
Yellow Comet missions cleared:
Kanbei - 600 coins
Sonja - 600 coins
Sensei - 600 coins (appears after buying Kanbei and Sonja)
Green Earth missions cleared:
Eagle - 600 coins
Drake - 600 coins
Jess - 600 coins (appears after buying Eagle and Drake)
Adder (Black Hole) - 2000 coins
Lash (Black Hole) - 1500 coins
Hawke (Black Hole) - 3000 coins
Nell (Orange Star) - 3500 coins (appears if your overall ranking was an "A")
Hard Campaign cleared:
Hachi - 5000 coins
Play As Adder
Beat all blackhole campain levels to unlock Adder
at the store.
Get Hachi As CO
After buying every thing from Hachi you can buy him for 5000 coins. He is kinda a mix between Colin and Sensei.
Unlock New Co's
To unlock Olaf, Grit and Colin, beat the final
Blue Moon battle. Colin will appear after buying
Olaf and Grit.
To unlock Kanbei, Sonja and Sensei, beat the
final Yellow Comet battle. Sensei will appear
after buying Kanbei and Sonja.