Unlockable Characters
Most characters are unlocked by completing a particular level. You can unlock characters in Versus mode if you have a memory card file with "Dragon Ball Z: Budokai Tenkaichi 2" unlocked characters.
To unlock "Akkuman" as a playable character, beat the "What If Saga: Unexpected Messiah" in "Dragon History."
To unlock "Android 08" as a playable character, beat the "What If Saga: Affectionate Android" in "Dragon History."
To unlock "Arale" as a playable character, beat the "What If Saga: Dream Match: Goku vs. Arale" in "Dragon History."
To unlock "Babidi" as a playable character, beat the "Majin Buu Saga: Farewell to the Proud Warrior" in "Dragon History."
To unlock "Cyborg Tao-Pai-Pai" as a playable character, beat Level 2 in the "Otherworld Tournament."
To unlock "Devilman" as a playable character, beat the "What If Saga: Unexpected Help" in "Dragon History."
To unlock "Dr. Wheelo" as a playable character, beat the "Special Saga: Strongest In the World" in "Dragon History."
To unlock "Fasha (Seripa)" as a playable character, beat Level 3 in the "Yamcha Game."
To unlock "General Blue" as a playable character, beat the "Dragon Ball Saga: Penguin Village" in "Dragon History."
To unlock "Gohan (Future)" as a playable character, wish it from Shenron.
To unlock "Goku (GT)" as a playable character, beat the "Dragon Ball GT Saga: Immortal Monster" in "Dragon History."
To unlock "Kid Chi-Chi" as a playable character, wish it from Red Shenron.
To unlock "King Cold" as a playable character, beat Level 3 in the "Cell Game."
To unlock "King Piccolo" as a playable character, beat the "Dragon Ball Saga: Goku Strikes Back" in Dragon History.
To unlock "King Vegeta" as a playable character, beat the "What If Saga: Galaxy Battle" in "Dragon History."
To unlock "Nail" as a playable character, beat the "Frieza Saga: Super Saiyan!?" in "Dragon History."
To unlock "Nam" as a playable character, beat the "Dragon Ball Saga: Ceiling vs. Ground" in "Dragon History."
To unlock "Nuova Shenron" as a playable character, beat the "Dragon Ball GT Saga: Solar Warrior 6000 Degrees of Power!" in "Dragon History."
To unlock "Pilaf Machine" as a playable character, beat Level 2 in the "Super World Tournament."
To unlock "Spopovich" as a playable character, beat Level 3 in the "World Tournament."
To unlock "Super Saiyan 4 Gogeta" as a playable character, beat "Ultimate Super Gogeta" in "Dragon Ball GT Saga."
To unlock "Super Saiyan 4 Goku" as a playable character, beat "Ultimate Android" in "Dragon Ball GT Saga."
To unlock "Super Saiyan 4 Vegeta" as a playable character, beat "Ultimate Super Gogeta" in "Dragon Ball GT Saga."
To unlock "Tambourline" as a playable character, beat the "Dragon Ball Saga: Goku Strikes Back" in "Dragon History."
Unlockable Stages
To unlock the "Desert (Day)" stage, wish it from Green Shenron (Normal Shenron).
To unlock the "Desert (Evening)" stage, complete the "Yamcha Game," Level 2.
To unlock the "Desert (Night)" stage, complete the "Cell Game," Level 2.
To unlock the "Janemba Hell" stage, complete "Dragon History: Special Saga, 'Janemba'."
To unlock the "King Castle" stage, wish it from Red Shenron.
To unlock the "Mt. Paozu" stage, wish it from Shenron (Normal Shenron).
To unlock the "Muscle Tower" stage, complete "Dragon History: Dragon Ball Saga 'Decisive Battle in Holy Place'."
To unlock the "Penguin Village" stage, wish it from Red Shenron.
Unlockable Game Modes
Beat 30 missions in "100 Mission Mode" to unlock Survival mode.