Unlock Wolf O'Donnel in VS mode:
     Get a Friendship Medal (No ships retired) on every Mission.

Unlock Peppy Hare in VS Mode:
     Play 15 VS Matches

Unlock the Katina Outpost in VS Mode:
     Complete Mission 2

Unlock Inner and Outer Sargasso Hideout in VS Mode:
     Complete Mission 3

Unlock Fichina in VS Mode:
     Complete Mission 4

Unlock Planet Sauria in VS Mode:
     Complete Mission 6

Unlock Corneria City in VS Mode:
     Complete Mission 7

Unlock the Aparoid City in VS Mode:
     Complete Mission 9