Unlock Galaxy 4 team and Disco 21 stage:
     Complete the game in team mode.

Unlock Discos Estrus team and Muscle Stadium stage:
     Complete the game two times.

Unlock Jumbo Max team and 79 Street stage:
     Complete the game three times.

Unlock Far East Commanders team and Iga Base stage:
     Complete the game four times.

Sound select option:
     Complete  the  game  four  times in team mode. This option allows
selection  of a normal or remixed version of a song. Complete the game
five  times  in  team  mode,  highlight "Remix", then hold L1 + R1 and
press Circle to get more mixes.