| Unlockable: | How to Unlock: |
| 815 (20 pts) | Discover all the memories in Flashback 1. |
| Behind the glass (20 pts) | Discover all the memories in Flashback 3. |
| Behind the wall (100 pts) | Complete Episode 5. |
| Crash survivor (25 pts) | Complete Episode 1. |
| Identity crisis (30 pts) | Discover all the memories in Flashback 4. |
| Into the hatch (75 pts) | Complete Episode 4. |
| Locate the cockpit (25 pts) | Complete Episode 2. |
| Persephone (30 pts) | Discover all the memories in Flashback 5. |
| Sweet memory (20 pts) | Discover all the memories in Flashback 2. |
| The way home (200 pts) | Finish the game. |
| Through the Flame (125 pts) | Complete Episode 6. |
| Via Domus (50 pts) | Complete Episode 3. |
| Whatever it takes (30 pts) | Discover all the memories in Flashback 6. |
