Although each advanced class naturally builds from a certain basic class, every advanced class is available to all characters who fulfill the prerequisites of the class, regardless of what basic classes they have gained levels in. The associations between basic classes and advanced classes are summarized on the following table.
| Basic Class1 | Advanced Class |
| Strong | [modsrd]Helix Warrior[/modsrd] |
| Fast | [modsrd]Dogfighter[/modsrd] |
| Tough | [modsrd]Dreadnought[/modsrd], [modsrd]Space Monkey[/modsrd] |
| Smart | [modsrd]Engineer[/modsrd], [modsrd]Technosavant[/modsrd], [modsrd]Xenophile[/modsrd] |
| Dedicated | [modsrd]Explorer[/modsrd], [modsrd]Tracer[/modsrd] |
| Charismatic | [modsrd]Ambassador[/modsrd], [modsrd]Field Officer[/modsrd], [modsrd]Swindler[/modsrd] |
| 1 The given basic class provides the fastest path to both of the associated advanced classes, though not the only path. |
