UNSEEN
| Date | Clue |
|---|---|
| 2023-06-12 | Hidden |
| 2020-09-06 | Like puppeteers, usually |
| 2018-05-12 | Invisible |
| 2012-06-18 | Invisible |
| 2007-10-09 | Out of sight |
| 2006-07-18 | Invisible |
| 2006-07-09 | Seemingly not there |
| 2001-06-10 | Invisible |
| 2000-12-22 | Like the Shadow |
| 1995-12-27 | Hidden |
| 1994-05-08 | Invisible |