| Webster, Treasure - |
| 1976 in France (46) | | Multiple Choice | 2010.08.25 |
| Ancient Roman technology (10) | | Multiple Choice | 2008.09.11 |
| Basse Casamance National Park (17) | | Multiple Choice | 2013.06.02 |
| Ben Roethlisberger (100) | | Multiple Choice | 2013.05.03 |
| Curieuse Marine National Park (13) | | Multiple Choice | 2013.06.23 |
| Demographics of the United States (26) | | Multiple Choice | 2016.08.28 |
| Djoudj National Bird Sanctuary (12) | | Multiple Choice | 2013.08.26 |
| Frank Arnold (10) | | Multiple Choice | 2011.04.25 |
| Galboda Ella (15) | | Multiple Choice | 2019.07.21 |
| Gola Rainforest National Park (16) | | Multiple Choice | 2013.07.06 |
| History of fluid mechanics (96) | | Multiple Choice | 2020.06.02 |
| How to navigate Tokyo (30) | | Multiple Choice | 2020.04.14 |
| Isles des Madeleines National Park (12) | | Multiple Choice | 2013.08.13 |
| Langue de Barbarie National Park (12) | | Multiple Choice | 2013.02.26 |
| List of works influenced by the Cthulhu Mythos (21) | | Multiple Choice | 2020.07.23 |
| Mall of Switzerland (20) | | Multiple Choice | 2008.03.01 |
| Mangetti National Park (9) | | Multiple Choice | 2013.11.10 |
| Morne Seychellois National Park (12) | | Multiple Choice | 2013.11.28 |
|