| Unlockable: | How to Unlock: |
| 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. |
