ACIDTEST
| Date | Clue |
|---|---|
| 2020-10-16 | Conclusive proof provider |
| 2019-01-19 | Chemistry exam? |
| 2018-03-25 | Decisive assessment |
| 2012-05-20 | Conclusive trial |
| 2007-04-14 | Proof provider |
| 2005-08-26 | Critical step in analysis |
| 2004-06-30 | Conclusive trial |
| 2000-05-13 | Critical step |
| 1995-06-23 | Defining challenge |