| Term | History |
| 1 | Became a Scientist at age 18 |
| 1 | Refuse to join a cheat in some fashion. |
| 2 | Continued as Scientist at age 22 |
| 2 | A disaster or war strikes. |
| 2 | The planetary government interferes with your research for political or religious reasons. You continue working secretely. |
| 3 | Continued as Scientist at age 26 |
| 3 | A disaster or war strikes. |
| 3 | Lost eye or limb. Fully recovered. Owe 5,000 for medical bills. |
| 3 | The planetary government interferes with your research for political or religious reasons. You continue working openly and gain an Enemy. |
| 4 | Continued as Scientist at age 30 |
| 4 | Make a breakthrough in your field. |
| 5 | Continued as Scientist at age 34 |
| 5 | Agreed to perform research that goes against your conscience. Gain 3 Enemies. |
| 5 | Promoted to rank 1 |
| 6 | Voluntarily left Scientist |
| 6 | Became a Line/Crew at age 38 |
| 6 | Is now a Crewman |
| 6 | Moved to a new world. |
| 7 | Continued as Line/Crew at age 42 |
| 7 | Special assignment or duty on board ship. |
| 8 | Continued as Line/Crew at age 46 |
| 8 | You foil an attempted crime on board, such as mutiny, sabotage, smuggling or conspiracy. Gain an Enemy. |
| 8 | Promoted to Line/Crew rank 1 |
| 8 | Is now a Able Spacehand |
| 9 | Aging Crisis. Owe 40,000 for medical bills. |
| 9 | Continued as Line/Crew at age 50 |
| 9 | Vessel participates in a diplomatic mission. |
| 9 | Gain a contact. |
| 10 | Aging Crisis. Owe 50,000 for medical bills. |
| 10 | Continued as Line/Crew at age 54 |
| 10 | During a battle, defeat or victory depends on your actions. The ship suffers severe damage and you are blamed for the disaster. You are court - martialled and discharged. |
| 11 | Aging Crisis. Owe 10,000 for medical bills. |
| 11 | Retired at age 58 |
| 11 | Moved to a new world. |
| 12 | Aging Crisis. Owe 60,000 for medical bills. |
| 12 | A romantic relationship ends badly. Gain a Rival or Enemy. |
| 13 | Aging Crisis. Owe 40,000 for medical bills. |