Complete the indicated task to unlock the corresponding costume.

Christie's swimsuit: Complete Solo Time Attack mode under the Legend difficulty without using any continues.
Kasumi's black suit: Complete the True Kasumi chapter in Story mode.
Kasumi's kimono: Complete the Kasumi vs. Christie battle in the True Kasumi chapter of Story mode.
Lisa's swimsuit: Complete Survival mode under the Legend difficulty.
Tina's swimsuit: Complete Solo Arcade mode under the Legend difficulty without using any continues.

To unlock an extra costume for any character, complete Arcade mode under the True Legend difficulty with that person.