| Term | History |
| 1 | Became a Worker at age 18 |
| 1 | You are rewarded for your diligence or cunning. |
| 1 | Forced to continue current assignment |
| 1 | Promoted to rank 1 |
| 2 | Continued as Worker at age 22 |
| 2 | Advanced training in a specialist field. |
| 2 | Promoted to rank 2 |
| 2 | Is now a Technician |
| 3 | Voluntarily left Worker |
| 3 | Switched to Colonist at age 26 |
| 3 | Nearly killed. Fully recovered. |
| 4 | Became a Scientist at age 30 |
| 4 | Refused to perform research that goes against your conscience. |
| 5 | Continued as Scientist at age 34 |
| 5 | Work for an eccentric but brilliant mentor, who becomes an Ally. |
| 6 | Continued as Scientist at age 38 |
| 6 | Refused to perform research that goes against your conscience. |
| 7 | Continued as Scientist at age 42 |
| 7 | Win a prestigious prize for your work. |
| 8 | Continued as Scientist at age 46 |
| 8 | Make a breakthrough in your field. |
| 9 | Continued as Scientist at age 50 |
| 9 | Gained a contact. |
| 9 | Promoted to rank 1 |
| 10 | Continued as Scientist at age 54 |
| 10 | Entangled in a bureaucratic or legal morass that distracts you from your work. |
| 10 | Promoted to rank 2 |
| 11 | Aging Crisis. Owe 30,000 for medical bills. |
| 11 | Voluntarily left Scientist |
| 11 | Retired at age 58 |
| 11 | Birth or Death involving a family member or close friend. |
| 12 | Aging Crisis. Owe 30,000 for medical bills. |
| 12 | Lost eye or limb. Fully recovered. Owe 10,000 for medical bills. |
| 13 | Aging Crisis. Owe 40,000 for medical bills. |