| Term | History |
| 1 | Became a Scientist at age 18 |
| 1 | Moved to a new world. |
| 1 | Promoted to rank 1 |
| 2 | Continued as Scientist at age 22 |
| 2 | Win a prestigious prize for your work. |
| 2 | Promoted to rank 2 |
| 3 | Continued as Scientist at age 26 |
| 3 | Work for an eccentric but brilliant mentor, who becomes an Ally. |
| 3 | Promoted to rank 3 |
| 4 | Continued as Scientist at age 30 |
| 4 | Advanced training in a specialist field. |
| 5 | Voluntarily left Scientist |
| 5 | Became a Wanderer at age 34 |
| 5 | Promoted to rank 1 |
| 6 | Continued as Wanderer at age 38 |
| 6 | Betrayal. Convert an Ally into a Rival or Enemy. |
| 7 | Continued as Wanderer at age 42 |
| 7 | Scarred. Owe 5,000 for medical bills. |
| 8 | Switched to Field Researcher at age 46 |
| 8 | A disaster or war strikes. |
| 8 | The planetary government interferes with your research for political or religious reasons. You continue working openly and gain an Enemy. |
| 9 | Continued as Field Researcher at age 50 |
| 9 | Moved to a new world. |
| 10 | Continued as Field Researcher at age 54 |
| 10 | Your work is sabotaged by unknown parties. You may salvage what you can and give up. |
| 11 | Became a Engineer/Gunner at age 58 |
| 11 | Is now a Crewman |
| 11 | Contact with Government. |
| 11 | Promoted to Engineer/Gunner rank 1 |
| 11 | Is now a Able Spacehand |
| 12 | Continued as Engineer/Gunner at age 62 |
| 12 | You are tormented by or quarrel with an officer or fellow crewman. Gain that character as a Rival. |
| 13 | Aging Crisis. Owe 10,000 for medical bills. |
| 13 | Retired at age 66 |
| 13 | Injured. Fully recovered. Owe 5,000 for medical bills. |
| 14 | Aging Crisis. Owe 30,000 for medical bills. |