Another Century's Episode 2 (PlayStation 2)
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Aestivalis Akatsuki
Complete Extra Mission 3.
Aestivalis C (hikaru)
Unlock 15 secrets.
Aestivalis C (izumi)
Complete campaign mode.
Aestivalis C (ryoko)
Unlock 20 secrets.
Alstromeria
Comlpete Extra Mission 2.
Alternately, earn the '30 Ace' rank.
Auge
Unlock 60 secrets.
Bilbine Camouflage Version
Upgrade Bilbine's special stat until it is unlocked.
Black Selena
Complete campaign mode.
Daljian
Unlock 25 secrets.
Gilgazamune
Unlock 35 secrets.
Gp02
Complete Extra Mission 2.
Johnathan Baronz
Unlock 60 secrets. Alternately, complete Extra Mission 1.
Layzner Mkii Cocept Version
Upgrade Layzner MkII's special stat until it is unlocked.
Nanajin
Unlocked in Free mode.
Nelly Brain
Upgrade Yuu Brain's special stat until it is unlocked.
Neue Ziel
Earn 'All Ace' rank.
Oukaou
Complete campaign mode.
Quincy Baronz
Unlock 50 secrets.
Yatenkou
Earn
the '60 Ace' rank.
Zakarl
Unlock 40 secrets.
Zwarth
Unlock 30 secrets.