Just look at some online walkthrough and you will get what you're looking for.
When you unlock all the Characters,you should be finding them in the Skill Shop,each move costs about,50 000 Zeni.
A lot of them are gotten through Dragon Adventure. For the rest you have to fuse certain items. Look it up on gamefaqs for specific stuff.
you have to get all the 7 dragon balls which are shown in the radar, and then shenron will appear
go to the date center and type the passwords...
Best place for this answer would be to go to IGN or Gamefaqs
That is impossible!Sorry it's the truth.
I don't
There are more than 30 character you can unlock in Dragon Ball z Budokai Tenkaichi 3. Some the characters include: Android 8, Arale, Babidi, Cyborg Tao, Devilman, Dr. Wheelo, Future Gohan, and General Blue
you need to get breakthrought for cooler and for all the other character that cant be played in [DU] or just unlock all the character then all of the characters ultimate moves are unlocked and can be bought in skill shop for 50.00 zenie or aobve depends on what ultimate move you are buying.
Unlock the What IF saga
Yes there is.
no you need to complete the dragon road to unlock them all including powered up forms of the z fighters eg:goku super saiyan 3
you have to get them in the majin buu saga
you can't