| Buck, Clayton - |
| American Flag (24) | | Multiple Choice | 2016.09.13 |
| Ancient Petra: Lost City of Stone (10) | | Multiple Choice | 2016.05.11 |
| Astounding Natural Wonders of Papua New Guinea (10) | | Multiple Choice | 2016.08.15 |
| Bob Marley: One Love (35) | | Multiple Choice | 2009.09.16 |
| Chad Geography (16) | | Multiple Choice | 2016.11.06 |
| Chadwick Boseman (85) | | Multiple Choice | 2023.03.21 |
| Cleopatra, the Queen of Egypt (8) | | Multiple Choice | 2016.07.02 |
| COVID-19 pandemic in Thailand (10) | | Multiple Choice | 2022.02.24 |
| Energy in Norway (47) | | Multiple Choice | 2014.01.12 |
| George Washington's resignation as commander-in-chief (28) | | Multiple Choice | 2015.02.09 |
| Great Pyramid of Giza (100) | | Multiple Choice | 2017.11.26 |
| Hernán Cortés (100) | | Multiple Choice | 2017.07.04 |
| Ibusuki volcanic field (15) | | Multiple Choice | 2015.12.20 |
| K2 Mountain (35) | | Multiple Choice | 2016.05.06 |
| Killing of Osama bin Laden (100) | | Multiple Choice | 2022.09.13 |
| Kimbanseke (21) | | Multiple Choice | 2016.06.01 |
| Kinderdijk Windmills (10) | | Multiple Choice | 2016.07.27 |
| List of railway stations in Turin (34) | | Multiple Choice | 2008.06.25 |
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