dragonball z tenkaichi 3 is the best game in the dragonball z series
The new characters are amazing for example "nova shenron" .All the characters are a good edition to the dbz experience.In the dual there is a new game called dp battle (destruction point), you have a limited number of destruction points and you spend them on characters, but the power of the characters are different, for example hercule is 1 point and super saiyan 3 goku is 8 points and u got a maximum of 20 points.There are some new things that are added to the game for example the world tour mode, in the tournaments you have to compete in each tournament and win to unlock something special, if you do well you will go to the next tournament. There are 2 new tournaments available which wear not in budokai tenkaichi 2. These are the after life tournament and yamchas games, these are great additions. In ultimate battle there is disk fusion (just for the ps2) where you put in budokai tenkaichi or tenkaichi 2, if it is complete you will put there ultimate battle in to our tenkaichi 3 game.
The other stuff is the same like character log, options, training etc. So over all this is the best dbz experience you will have.