Dragon Ball Z: Burst Limit

Unlockable difficulty levels:
Hard difficulty: Finish Z Chronicles under the Normal difficulty level.
Very Hard difficulty: Finish Z Chronicles under the Normal difficulty level.
Z difficulty: Finish Z Chronicles under the Very Hard difficulty level.

Unlockable Movies:
Credits: Finish Broly's Storyline.
Movie 1: Finish Frieza Saga.
Movie 2: Finish Cell Saga.

Unlockable Characters:
Complete the following chapters to unlock the indicated character.

Characters - Chapters:
Unlock Bardock - Finish Chapter 1 in Bardock Storyline.
Unlock Broly - Finish Chapter 1 in Broly Storyline.
Unlock Teen Gohan - Finish Chapter 1 in Cell Saga.
Unlock Recoome - Finish Chapter 1 in Frieza Saga.
Unlock Raditz - Finish Chapter 1 in Saiyan Saga.
Unlock Android #18 - Finish Chapter 2 in Cell Saga.
Unlock Super Saiyan Vegeta - Finish Chapter 2 in Cell Saga.
Unlock Android #17 - Finish Chapter 3 in Cell Saga.
Unlock Saibamen - Finish Chapter 3 in Saiyan Saga.
Unlock Tien - Finish Chapter 3 in the Sayian Saga.
Unlock Imperfect Cell - Finish Chapter 4 in Cell Saga.
Unlock Piccolo (fuse with Kami) - Finish Chapter 4 in Cell Saga.
Unlock Captain Ginyu - Finish Chapter 4 in Frieza Saga.
Unlock Yamcha - Finish Chapter 4 in the Sayian Saga.
Unlock Nappa - Finish Chapter 5 in Saiyan Saga.
Unlock Semi-Perfect Cell - Finish Chapter 6 in Cell Saga.
Unlock Krillen - Finish Chapter 6 in the Sayian Saga.
Unlock Super Saiyan Trunks - Finish Chapter 7 in Cell Saga.
Unlock Trunks - Finish Chapter 7 in Cell Saga.
Unlock Kaioken Goku - Finish Chapter 7 in Saiyan Saga.
Unlock Frieza (first form) - Finish Chapter 8 in Frieza Saga.
Unlock Vegeta - Finish Chapter 8 in Saiyan Saga.
Unlock Android #16 - Finish Chapter 8 in the Cell saga.
Unlock Frieza (second form) - Finish Chapter 9 in Frieza Saga.
Unlock Super Vegeta - Finish Chapter 10 in Cell Saga.
Unlock Piccolo (sync with Nail) - Finish Chapter 11 in Frieza Saga.
Unlock Perfect Cell - Finish Chapter 12 in Cell Saga.
Unlock Frieza (third form) - Finish Chapter 12 in Frieza Saga.
Unlock Super Trunks - Finish Chapter 13 in Cell Saga.
Unlock Final Form Frieza - Finish Chapter 14 in Frieza Saga.
Unlock Frieza (100% final form) - Finish Chapter 16 in Frieza Saga.
Unlock Super Saiyan Goku - Finish Chapter 16 in Frieza Saga.
Unlock Super Sayian Gohan - Finish Chapter 16 in the Cell Saga.
Unlock Super Sayian 2 Gohan - Finish Chapter 17 in the Cell Saga.
Unlock Super Perfect Cell - Finish Chapter 18 or 19 in Cell Saga.
Unlock Super Saiyan 2 Teen Gohan - Finish Chapter 19 in Cell Saga.


Alternate costumes
Complete the game, then highlight any of the following characters at the character
selection screen and hold Triangle until their name change to yellow:

Vegeta
Trunks
Krillin
Gohan
Frieza