| 57,329 | European Countries Ending in "IA" | 2020-12-04 | |
| 42,751 | Commonly Mixed-Up Countries - Multiple Choice | 2023-08-06 | |
| 42,389 | Similar Country Flags - Multiple Choice Quiz | 2024-12-26 | |
| 23,543 | Top 10 Oldest African Countries | 2023-07-09 | |
| 3,237 | Landen in de Alpen | 2022-12-17 | |
| 2,925 | Coldest Countries with Exceptions | 2022-12-30 | – |
| 2,783 | Soortgelijke Vlaggen - Meerkeuze Quiz | 2025-04-25 | |
| 2,064 | Countries with the Most Diplomatic Missions | 2022-10-27 | 15 |
| 1,946 | Landen in een Lege Ring van de Wereldkaart | 2022-10-06 | |
| 1,924 | Landen met Omgewisselde Posities op een Kaart | 2023-01-05 | |
| 1,813 | Landen Waarvan de Naam met Sint Begint | 2023-05-02 | |
| 1,669 | Countries that End in S | 2023-10-11 | 8 |
| 1,658 | Hoofdsteden per Letter - B | 2023-05-24 | |
| 1,625 | Hoofdsteden per Letter - A | 2023-02-01 | |
| 1,587 | Topografie van het Nederlandse Rijk | 2021-08-07 | |
| 1,564 | Landen aan de Zwarte Zee | 2023-01-05 | |
| 1,548 | Slecht Getekende Vlaggen | 2022-12-13 | |
| 1,513 | Landen aan de Rode Zee | 2023-01-03 | |
| 1,385 | Top 20 Landen met de Langste Mensen | 2023-05-03 | |
| 1,343 | Countries that Visit Germany the Most | 2023-03-21 | 12 |
| 1,335 | Top 10 Oudste Afrikaanse Landen | 2023-07-09 | |
| 1,318 | Hoofdsteden per Letter - C | 2023-05-26 | |
| 1,276 | Countries with Y | 2021-08-15 | 11 |
| 1,054 | Hoofdsteden per Letter - H | 2023-05-24 | |
| 1,010 | Landen aan de Kaspische Zee | 2023-01-03 | |
| 998 | Flags of Countries that are Located in the Alps | 2023-09-19 | 4 |
| 994 | Hoofdsteden per Letter - D | 2023-05-24 | |
| 985 | Duurste Hoofdsteden | 2023-01-14 | |
| 952 | Hoofdsteden per Letter - K | 2023-05-24 | |
| 742 | Grootste Landen op de Mercatorprojectie | 2023-03-12 | |
| 691 | Flags with Unique Proportions | 2024-06-09 | 8 |
| 615 | Elementen die in de Bijbel genoemd worden | 2023-03-12 | |
| 471 | Similar African Flags Quiz | 2021-09-18 | 3 |
| 462 | Flags of countries that border Mexico | 2020-07-11 | 2 |
| 353 | Country flags with birds | 2020-09-27 | 4 |
| 350 | Country flags with the Nordic Cross | 2020-09-27 | 1 |
| 280 | Countries That Drink the Most Soda | 2021-04-22 | 1 |
| 279 | Country flags without red and blue | 2022-08-18 | – |
| 271 | Landen die Nederland het meest bezoeken | 2023-05-29 | – |
| 239 | Woorden Hussel - Landen | 2022-10-04 | – |
| 236 | Landen die Eindigen met "Stan" | 2023-01-14 | – |
| 229 | Wereldkaart met Willekeurig Samengevoegde Landen | 2023-05-27 | – |
| 227 | Countries that Visit Italy the Most | 2023-03-21 | 0 |
| 190 | Countries that Drink the Most Wine per Capita | 2022-10-21 | 0 |
| 188 | Countries that Visit South Africa the Most | 2023-03-21 | 1 |
| 180 | Countries that Visit Turkey the Most | 2023-03-21 | 0 |
| 178 | Landen die in de Bijbel worden genoemd | 2022-11-04 | – |
| 174 | The most popular foods and drinks in the world | 2020-10-17 | 0 |
| 173 | Top 15 Landen die de Meeste Thee Produceren | 2022-10-12 | – |
| 163 | Countries that Visit Spain the Most | 2023-03-21 | 0 |
| 163 | Beroemde Nederlandse en Belgische Personen | 2022-12-18 | – |
| 158 | Landen die Voormalig deel van Joegoslavië waren | 2022-08-18 | – |
| 153 | Top 20 Landen met de Kortste Mensen | 2022-10-09 | – |
| 150 | Afrikaanse Landen met de Kortste namen | 2022-10-04 | – |
| 149 | U.S. States with more than one word | 2020-10-08 | 0 |
| 144 | Mediterraanse Steden op een Kaart | 2022-12-14 | – |
| 142 | First Ten Alphabetical Countries | 2021-08-18 | 0 |
| 134 | Animal Crossing Games | 2023-08-13 | 1 |
| 129 | Grootste Landlocked Landen | 2022-12-14 | – |
| 124 | Countries with the most gold reserves | 2020-10-17 | 0 |
| 122 | Last Ten Alphabetical Countries | 2021-08-18 | 0 |
| 121 | Grootste Landen naar Bevolking | 2023-01-03 | – |
| 121 | Countries with the most airports | 2020-11-16 | 0 |
| 119 | Countries with the most immigrants | 2020-09-19 | 0 |
| 114 | Bekende Rivieren | 2022-08-18 | – |
| 108 | Countries with the best infrastructure | 2020-10-19 | 2 |
| 108 | Countries with the most soccer goals made by top-scorer | 2020-09-20 | 0 |
| 105 | Top 20 most bike-friendly cities | 2020-10-16 | 0 |
| 104 | Countries that drink the least wine per capita | 2020-09-20 | 1 |
| 98 | Groepen van Twee #1 | 2022-10-03 | – |
| 98 | Current Neutral Countries Quiz | 2020-11-01 | 0 |
| 95 | Countries with the highest petrol prices | 2020-10-17 | 0 |
| 95 | Biggest Landlocked Countries | 2022-12-14 | 0 |
| 94 | Top 10 Greenest Countries | 2021-04-19 | 0 |
| 92 | U.S. States With the Highest Percentage of African Americans | 2021-04-19 | 1 |
| 90 | Top Oil Reserve Countries With Exceptions | 2020-10-01 | 2 |
| 89 | Hoofdsteden die het Diepst in het Territorium van hun Land liggen | 2022-10-11 | – |
| 89 | Top 10 textile producing countries | 2020-09-27 | 0 |
| 84 | Random Backwards Countries - 30 Second Sprint | 2020-10-13 | 1 |
| 82 | Countries with the most cats | 2020-10-11 | 0 |
| 81 | Top country producers per product | 2020-11-16 | 1 |
| 78 | Country Antipodes of South America | 2022-06-27 | 1 |
| 78 | Countries with the lowest petrol prices | 2020-10-17 | 0 |
| 78 | Shapes of Countries that Border Russia | 2022-10-12 | 0 |
| 78 | Shapes of Countries that Border France | 2022-10-12 | 0 |
| 77 | U.S. States Closest to London | 2021-03-17 | 0 |
| 74 | Fast typing A to Z and backwards | 2020-10-14 | 1 |
| 74 | Shapes of Countries that Border Germany | 2022-10-12 | 0 |
| 70 | Continent country scramble - The America's | 2020-10-13 | 0 |
| 67 | Top countries by agricultural employment | 2020-10-12 | 0 |
| 65 | Hoofdsteden met een Unieke Eerste Letter | 2022-10-10 | – |
| 64 | Shapes of Countries that Border China | 2022-10-12 | 1 |
| 63 | 'The big 5' Picture Quiz | 2020-09-22 | 2 |
| 62 | Top countries by agricultural employment with exceptions | 2020-10-12 | 0 |
| 62 | Countries with the worst infrastructure | 2020-10-19 | 0 |
| 54 | Countries that produce the most cotton | 2020-09-19 | 1 |
| 51 | U.S. States that Border the Great Lakes | 2021-04-18 | 0 |
| 50 | Vlaggen met Unieke Verhoudingen | 2024-06-09 | – |
| 47 | Top Yoghurt-Producing Countries | 2022-05-27 | 0 |
| 43 | Countries With the Biggest Income Inequality | 2021-03-21 | 0 |
| 29 | The really REALLY easy quiz | 2021-03-16 | – |
| 27 | Flags of the US States that Start with M | 2020-11-26 | 0 |
| 20 | Flags of the US States that Start with N | 2020-11-26 | 0 |
| 12 | Top 10 most populous U.S. cities | 2020-09-19 | – |
