| Taken | Updated | Quiz |
|---|
| 73,854 | 2017-11-24 | Countries where the Sea Freezes |
| 53,603 | 2022-09-15 | European Capitals Furthest from the Sea |
| 44,621 | 2023-06-28 | Largest Countries Without Deserts |
| 43,647 | 2017-10-19 | European Capitals with the Least Sunshine |
| 37,084 | 2022-09-15 | World Capitals Deepest in a Country's Territory |
| 22,140 | 2024-03-03 | Biggest Cities with a Tropical Climate |
| 19,126 | 2018-01-07 | Capital Cities with the Least Precipitation |
| 19,055 | 2018-02-07 | U.S. State Capitals Furthest from the Sea |
| 18,933 | 2021-08-12 | Hottest U.S. State Capitals |
| 17,140 | 2021-08-12 | Coldest U.S. State Capitals |
| 3,140 | 2023-05-05 | World Capitals Furthest from the Sea |
| 1,373 | 2021-05-03 | World's Largest High-Altitude Cities |
| 1,214 | 2023-05-05 | Biggest World Cities Named After People |
| 1,029 | 2019-03-05 | Balkan Geography A-Z |
| 871 | 2021-12-29 | Biggest Cities without Skyscrapers |
| 867 | 2023-07-23 | Russian Geography A-Z |
| 699 | 2019-03-05 | Biggest Cities on the Mississippi River |
| 417 | 2021-06-16 | Snowiest Major U.S. Cities |
| 385 | 2019-03-05 | Airports Connected with the Most Countries |
| 364 | 2020-10-19 | Biggest European Coastal Cities |
| 350 | 2024-03-16 | Biggest World Cities on Lakes |
| 345 | 2019-06-27 | Largest Orthodox Cities |
| 307 | 2021-06-16 | Biggest Cities with a Mediterranean Climate |
| 306 | 2019-01-25 | 50 Biggest Cities in Greece |
| 276 | 2019-08-29 | Islands of Malta |
| 271 | 2018-03-10 | Italian Cities by Picture |
| 252 | 2019-03-05 | World Capitals with the Coldest Winters |
| 246 | 2018-03-02 | Countries with the Most Koreans |
| 232 | 2021-05-28 | Biggest Cities with Greek Names |
| 225 | 2019-03-05 | Biggest Cities once in the Persian Empire |
| 215 | 2019-03-05 | European Capitals with the Most Sunshine |
| 213 | 2019-06-27 | Coldest Major World Cities |
| 204 | 2018-03-05 | Most Spoken Cyrillic Script Languages |
| 194 | 2019-06-27 | Biggest Coastal Cities in North America |
| 184 | 2018-05-29 | Middle East Geography A-Z |
| 177 | 2019-03-05 | Biggest One-Syllable Cities |
| 177 | 2021-06-16 | U.S. States Closest to Russia |
| 165 | 2019-06-27 | World Capitals with the Biggest Seasonal Temperature Variation |
| 154 | 2017-09-26 | Biggest Asian Cities on Islands |
| 150 | 2017-09-29 | Hottest World Capitals by Monthly Temperature |
| 143 | 2019-08-25 | Major World Cities Closest to the Equator |
| 135 | 2018-12-13 | Countries that Produce the Most Sheep Cheese |
| 134 | 2017-09-19 | Driest Major U.S. Cities |
| 132 | 2017-11-08 | Largest Cities in the Maghreb |
| 126 | 2017-10-20 | Biggest Romance-Speaking Cities in Europe |
| 125 | 2024-02-16 | European Capitals with the Smallest Seasonal Temperature Variation |
| 125 | 2017-09-14 | World's Biggest Non-Coastal Cities on Islands |
| 125 | 2017-12-23 | Biggest European Cities on the Mediterranean |
| 120 | 2021-05-03 | Island Countries Closest to the Mainland |
| 118 | 2017-09-07 | Biggest Cities on the Gulf of Mexico |
| 118 | 2024-02-13 | Countries Extending Furthest from their Capitals |
| 114 | 2017-09-19 | Wettest Major U.S. Cities |
| 113 | 2023-05-05 | Countries with High-Altitude Cities |
| 113 | 2018-09-24 | 'New' Geography |
| 108 | 2018-02-08 | Landlocked Countries with a Navy |
| 107 | 2024-01-25 | Largest Cities on Mediterranean Islands |
| 106 | 2017-10-01 | Driest European Capital Cities |
| 105 | 2018-01-05 | Capital Cities with the Most Precipitation |
| 104 | 2017-10-24 | Biggest Cities with a Continental Climate |
| 94 | 2017-10-02 | U.S. States Furthest from the Sea |
| 91 | 2017-08-29 | Biggest African Coastal Cities |
| 91 | 2017-07-16 | Smallest U.S. Capitals as a Percentage of their State |
| 90 | 2018-07-12 | Countries with the Largest Rural Population |
| 86 | 2017-08-30 | Biggest Coastal Cities in South America |
| 85 | 2017-09-02 | Biggest World Cities on Major Rivers |
| 84 | 2019-03-05 | Biggest Adriatic Cities |
| 83 | 2017-07-16 | Biggest U.S. Capitals as a Percentage of their State |
| 82 | 2017-10-22 | Biggest Cities with Native American Names |
| 81 | 2024-01-25 | Countries with the Most Metro Systems |
| 77 | 2017-09-12 | European Capitals with the Biggest Seasonal Temperature Variation |
| 75 | 2018-02-08 | Biggest Cities on the Sea of Japan |
| 72 | 2017-09-20 | World Capitals Furthest from Foreign Territory |
| 68 | 2017-09-08 | Coolest African Capitals |
| 67 | 2017-10-02 | Biggest World Cities with Long Names |
| 66 | 2017-09-13 | Famous Mediterranean Islands |
| 66 | 2017-09-15 | World's Most Densely Populated Major Cities |
| 63 | 2017-09-25 | Sunniest World Capitals |
| 62 | 2017-09-27 | Countries Closest to the Caspian Sea |
| 61 | 2017-08-29 | Biggest Cities on the Persian Gulf |
| 60 | 2017-10-06 | Most Metro-Rail-Dependent Cities |
| 58 | 2017-11-13 | Capital Cities Closest to Lakes |
| 55 | 2018-02-06 | Flattest Landlocked Countries |
| 54 | 2017-08-30 | Biggest Asian Coastal Cities |
| 53 | 2017-08-28 | Biggest Aegean Sea Cities |
| 51 | 2017-06-05 | Biggest Cities in Greece |
| 51 | 2017-09-25 | Countries with the Lowest Traffic-Related Death Rate |
| 50 | 2017-09-25 | Gloomiest World Capitals |
| 49 | 2017-09-18 | Countries with the Highest Cancer Death Rate |
| 49 | 2017-10-20 | U.S. States Closest to India |
| 46 | 2017-09-28 | Biggest Cities on the South China Sea |
| 44 | 2017-09-15 | World's Most Sparsely Populated Major Cities With Exceptions |
| 44 | 2018-02-10 | Biggest Cities in the Mississippi River Basin |
| 42 | 2017-11-12 | Capital Cities Closest to Mountains |
| 41 | 2017-07-18 | Countries with the Biggest Life Expectancy Gender Gap |
| 40 | 2017-09-30 | Chemical Elements with Greek Names |
| 38 | 2017-10-01 | Wettest European Capital Cities |
| 38 | 2017-06-13 | Biggest Cities on the Volga River |
| 37 | 2017-06-06 | Most Populous Islands of the Aegean Sea |
| 36 | 2017-11-04 | Closest Country by Capital |
| 34 | 2019-02-13 | Greek Islands by Description |
| 31 | 2017-08-31 | Biggest Coastal Cities in Oceania |
| 31 | 2017-09-21 | World Capitals Furthest from Foreign Territory - Continental Version |
| 31 | 2017-11-07 | Biggest Cities on the East China Sea |
| 30 | 2017-09-15 | World's Most Densely Populated Major Cities (no hints) |
| 23 | 2024-01-25 | U.S. State Capitals with the Coldest Winters |
| 22 | 2017-07-18 | Countries with the Smallest Life Expectancy Gender Gap |
| 17 | 2017-09-15 | World's Most Sparsely Populated Major Cities With Exceptions (no hints) |
