| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,980 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,499 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,363 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 105,123 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,995 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,173 |
| Random European Capital to Country | 0 | - | 4.98 | 192,378 |
| Random European Country to Capital | 0 | - | 4.93 | 166,104 |
| Europe Capital to Country | 0 | - | 4.99 | 252,649 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,329 |
| European Capitals by Map | 0 | - | 4.99 | 142,630 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 93,160 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,420 |
| European Coastal Capitals | 0 | - | 4.95 | 91,520 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 226,767 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,197 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,216 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,824 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 349,489 |
| Official Cities in the UK | 0 | - | 4.89 | 286,951 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,741 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,356 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,683 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,835 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,568 |
| Countries with Megacities | 0 | - | 4.99 | 268,006 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,220 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,372 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,550 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,476 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 226,166 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,745 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 71,146 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,935 |
| Name a Valid European Capital | 0 | - | 4.95 | 154,025 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,708 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,456,428 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 383,061 |
| Biggest Cities in the World | 0 | - | 4.91 | 807,251 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,953 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,117 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,618 |
| Random African Capital to Country | 0 | - | 4.97 | 101,518 |
| Random African Country to Capital | 0 | - | 4.95 | 71,914 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,597 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,487 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,570 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,853 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 113,036 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,389 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,748 |
| Biggest Cities in Europe | 0 | - | 4.70 | 549,872 |
| Biggest City by Time Zone | 0 | - | 4.88 | 69,125 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,237 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 32,987 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,924 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,714 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,690 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,983 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,412 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 421,259 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,123 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,729 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,863 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,329 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,590 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,828 |
| Biggest Cities in the United States | 0 | - | 4.94 | 989,447 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,601 |
| Name a City - European Countries | 0 | - | 4.89 | 66,413 |
| Africa Capitals Quiz | 0 | - | 4.99 | 745,259 |
| Asia Capitals Quiz | 0 | - | 4.98 | 700,141 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,846 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,732 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,616 |
| Biggest Cities in Germany | 0 | - | 4.95 | 295,717 |
| Cities in European History #1 | 0 | - | 4.63 | 134,785 |
| Random European Capitals on a Map | 0 | - | 4.97 | 135,580 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,662 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 71,071 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,423 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,986 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,608 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,886 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,914 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 91,076 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,279 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,815 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,894 |
| Largest City by Island | 0 | - | 4.87 | 72,592 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,511 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,909 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,272 |
| Megacities on a World Map | 0 | - | 4.98 | 257,562 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 583,369 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,869 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,858 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,838 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 35,374 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.89 | 97,733 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,525 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 100,411 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 42,454 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,891 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 224,064 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 136,036 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,629 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,295 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,580 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,938 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,886 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,706 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,384 |
| Asia Capital to Country | 0 | - | 4.96 | 127,713 |
| African Capitals by Map | 0 | - | 4.99 | 142,644 |
| Asian Capitals by Map | 0 | - | 4.98 | 64,141 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,282 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 273,403 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,263 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,781 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 165,849 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 171,419 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,472 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,846 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 68,694 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 65,143 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,905 |
| Most Populous Islands | 0 | - | 4.80 | 123,463 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,408 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,685 |
| Countries by Population Decrease | 0 | - | 4.46 | 50,027 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,968 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 160,136 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,554 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,730 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,913 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,178 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,407 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,494 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,383 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,633 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,391 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,716 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,672 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 49,129 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 27,287 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,731 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,729 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,383 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,510 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,548 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,644 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 62,077 |
| Counties of England Map Quiz | 0 | - | 4.97 | 309,321 |
| UK Cities Map Quiz | 0 | - | 4.96 | 466,887 |
| Highest Fertility Countries | 0 | - | 4.90 | 27,322 |
| Capitals of the Stans | 0 | - | 4.95 | 27,243 |
| Boundary Waters | 0 | - | 4.92 | 88,858 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,474 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,865 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,596 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 61,082 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 71,102 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,879 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,376 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 74,042 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,963 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,323 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,491 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,823 |
| UK Immigration by Country | 0 | - | 4.94 | 141,918 |
| Total United States Immigration by Country | 0 | - | 4.91 | 112,582 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 117,143 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 247,099 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 201,011 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 141,296 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 119,068 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,266 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,223 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,686 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 127,567 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,185 |
| Biggest City by Region | 0 | - | 4.50 | 36,424 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,383 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,111 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,333 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,464 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,627 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,609 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 65,074 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,901 |
| Boroughs of London | 0 | - | 4.63 | 88,714 |
| London Geography | 0 | - | 4.47 | 59,926 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,987,613 |
| Landlocked Countries | 0 | - | 4.99 | 427,474 |
| Save Humanity by Guessing Countries | 0 | - | 4.98 | 592,484 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,824 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,376 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,261 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,218 |
