OCTAGON
| Date | Clue |
|---|---|
| 2022-07-10 | Each of its interior angles measures 135° |
| 2019-04-17 | Stop sign shape |
| 2018-02-21 | Mixed martial arts cage shape |
| 2016-03-28 | Shape of a stop sign |
| 2013-09-01 | It has 135-degree angles |
| 2004-05-27 | Figure seen at an intersection |
| 2002-10-20 | ___ Building, landmark on New York's Roosevelt Island |
| 1997-10-19 | Unusual house shape |