SPHERES
| Date | Clue |
|---|---|
| 2026-06-21 | Areas of influence |
| 2025-12-21 | Areas of influence |
| 2023-02-12 | Round figures |
| 2022-04-05 | Baseballs and basketballs, but not footballs |
| 2005-01-15 | Purviews |
| 2004-03-20 | Heavenly array |
| 2003-10-20 | Realms |
| 2001-11-27 | Domains of influence |
| 1997-02-09 | The sun and moon |
| 1996-05-26 | Parts of orreries |
| 1996-05-18 | Ball bearings, e.g. |
| 1994-02-02 | Earth and moon, e.g. |