| Kay, Lance - |
| Anarcho-capitalism (29) | | Multiple Choice | 2019.03.05 |
| Chinese noodles (61) | | Multiple Choice | 2019.08.21 |
| Clarke Memorial Fountain (34) | | Multiple Choice | 2022.04.11 |
| David's Rebellion (20) | | Multiple Choice | 2022.09.28 |
| Dubai Mall (45) | | Multiple Choice | 2014.03.23 |
| Environmental issues in Thailand (100) | | Multiple Choice | 2022.10.18 |
| Greek alphabet (37) | | Multiple Choice | 2010.08.12 |
| Guinness World Records (100) | | Multiple Choice | 2021.09.05 |
| How to construct fish traps and eel baskets (30) | | Multiple Choice | 2012.04.09 |
| How to create poultices for infections and snake bites (30) | | Multiple Choice | 2012.11.22 |
| How to make bush tea from native plants (30) | | Multiple Choice | 2012.02.15 |
| How to make moccasins or sandals from animal hide (30) | | Multiple Choice | 2012.04.16 |
| How to teach a child to be self-confident (30) | | Multiple Choice | 2012.01.03 |
| Italianate architecture (51) | | Multiple Choice | 2010.03.23 |
| Los Angeles (80) | | Multiple Choice | 2022.10.27 |
| Mount Mo (15) | | Multiple Choice | 2014.07.13 |
| Quantum cellular automaton (17) | | Multiple Choice | 2010.12.24 |
| Spain during World War II (65) | | Multiple Choice | 2018.09.04 |
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