| Term | History |
| 1 | Became a Scavenger at age 18 |
| 1 | Attempted a risky adventure and was wildly successful. |
| 1 | Promoted to rank 1 |
| 2 | Continued as Scavenger at age 22 |
| 2 | Find Ancient Technology. |
| 2 | Promoted to rank 2 |
| 3 | Continued as Scavenger at age 26 |
| 3 | Find Ancient Technology. |
| 3 | Promoted to rank 3 |
| 4 | Continued as Scavenger at age 30 |
| 4 | Attacked by enemies that you easily defeat. |
| 4 | Gain Enemy if you don't already have one. |
| 4 | Promoted to rank 4 |
| 5 | Continued as Scavenger at age 34 |
| 5 | Promoted to rank 5 |
| 6 | Continued as Scavenger at age 38 |
| 6 | Attacked by enemies that you easily defeat. |
| 6 | Gain Enemy if you don't already have one. |
| 6 | Promoted to rank 6 |
| 7 | Continued as Scavenger at age 42 |
| 7 | Find valuable salvage. |
| 7 | Promoted to rank 7 |
| 8 | Continued as Scavenger at age 46 |
| 8 | Forced to muster out. |
| 9 | Became a Field Researcher at age 50 |
| 9 | Make a breakthrough in your field. |
| 9 | Promoted to rank 1 |
| 10 | Continued as Field Researcher at age 54 |
| 10 | Work for an eccentric but brilliant mentor, who becomes an Ally. |
| 10 | Promoted to rank 2 |
| 11 | Continued as Field Researcher at age 58 |
| 11 | Work leads to a considerable breakthrough. |
| 11 | Promoted to rank 3 |
| 12 | Continued as Field Researcher at age 62 |
| 12 | Nearly killed. Owe 17,500 for medical bills. |
| 13 | Aging Crisis. Owe 50,000 for medical bills. |
| 13 | Retired at age 66 |
| 13 | Good fortune |
| 14 | Aging Crisis. Owe 10,000 for medical bills. |
| 14 | A new romantic starts. Gain an Ally. |
| 15 | Aging Crisis. Owe 40,000 for medical bills. |