ISOGON
| Date | Clue |
|---|---|
| 2025-11-09 | Figure with equal angles |
| 2022-10-16 | Figure with equal angles |
| 2020-06-24 | Geometric figure with equal angles |
| 2017-11-08 | Equiangular shape |
| 2007-04-28 | Rectangle or square |
| 2003-09-06 | Geometric figure with all equal angles |
| 1996-12-25 | Equiangular geometrical shape |
| 1995-09-08 | Equal-angled geometric figure |