Gaming Dragon Ball Z Supersonic Warriors 2 Help

[RPGPlayer88]

i am on gokus storyline and have beaten everything except for the one above kaioken times 20 cause it wont appear. can someone help?

 

[Multiskin]

well, if i remember i think u need to finish with a special, or less than 30 sec or perfect, i don't remember it's been ages since i've cleared this game (first ds game i've cleared XD too bad there isn't any wi-fi mode)

 

[RPGPlayer88]

thanks. do you know about gohans Trap mission because i tried all of those and none of them worked.