| Countries of Europe by Population | 0 | - | 4.98 | 178,007 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,896 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,958 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,822 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,969 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,818 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,020 |
| Random European Capital to Country | 0 | - | 4.98 | 189,176 |
| Random European Country to Capital | 0 | - | 4.92 | 147,431 |
| Europe Capital to Country | 0 | - | 4.99 | 247,636 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,428 |
| European Capitals by Map | 0 | - | 4.99 | 136,218 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,162 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,590 |
| European Coastal Capitals | 0 | - | 4.95 | 89,728 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,739 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,590 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,939 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,981 |
| Official Cities in the UK | 0 | - | 4.89 | 280,464 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,398 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,090 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,695 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,758 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,660 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,435 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,772 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,182 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,900 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,813 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,657 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,778 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,553 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,083 |
| Countries with Megacities | 0 | - | 4.99 | 246,708 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,016 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,882 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,437 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,800 |
| Biggest Cities in the World | 0 | - | 4.92 | 790,165 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,188 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,385 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,382 |
| Random African Capital to Country | 0 | - | 4.97 | 99,724 |
| Random African Country to Capital | 0 | - | 4.94 | 70,227 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,100 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,805 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,874 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,858 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,461 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,571 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,376 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,349 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,238 |
| Biggest Cities in Europe | 0 | - | 4.70 | 542,085 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,623 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,627 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,844 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,825 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,974 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,467 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,498 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,541 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,557 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,041 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,810 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,149 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,726 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,661 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,502 |
| Biggest Cities in the United States | 0 | - | 4.93 | 966,373 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,723 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,215 |
| Name a City - European Countries | 0 | - | 4.92 | 64,371 |
| Africa Capitals Quiz | 0 | - | 4.99 | 730,069 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,748 |
| Random European Capitals on a Map | 0 | - | 4.97 | 133,807 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.87 | 94,282 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,937 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 97,002 |
| Cities in European History #1 | 0 | - | 4.63 | 133,098 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,596 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,192 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,652 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,084 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,131 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,300 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,892 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,377 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,560 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,283 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,408 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,827 |
| Largest City by Island | 0 | - | 4.87 | 71,020 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,377 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,522 |
| Biggest European Cities by Century | 0 | - | 4.98 | 142,958 |
| Megacities on a World Map | 0 | - | 4.98 | 250,892 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,140 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,784 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,852 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,106 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 48,898 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,690 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,130 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,439 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,268 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,247 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,592 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,551 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,790 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,200 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,331 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,784 |
| Asia Capital to Country | 0 | - | 4.96 | 125,729 |
| African Capitals by Map | 0 | - | 4.99 | 132,127 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,114 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,176 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,728 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,412 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,325 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 67,357 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,091 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,070 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,370 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,131 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,997 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,291 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,559 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,483 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,285 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,578 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,169 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,804 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,653 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,165 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,426 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,068 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,097 |
| Most Populous Islands | 0 | - | 4.79 | 121,969 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,200 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,401 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,606 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,720 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,841 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,923 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,320 |
| European Cities with the Biggest Economies | 0 | - | 4.62 | 38,182 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 47,629 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 25,786 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,151 |
| Word Scramble - European Capitals | 0 | - | 4.72 | 93,760 |
| Capitals of the Stans | 0 | - | 4.95 | 26,401 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,944 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,219 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,527 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,111 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,853 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,554 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,812 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,777 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,327 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,719 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,385 |
| Boroughs of London | 0 | - | 4.63 | 87,036 |
| London Geography | 0 | - | 4.47 | 59,454 |
| UK Immigration by Country | 0 | - | 4.94 | 139,602 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,642 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 114,797 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,842 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,224 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,112 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,242 |
| Boundary Waters | 0 | - | 4.92 | 88,030 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,806 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,265 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,263 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,827 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,437 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,785 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,899 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,899 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,690 |
| Biggest City by Region | 0 | - | 4.50 | 35,993 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,893 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,240 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,435 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,263 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,013 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,217 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,914 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,705 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,752 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,420 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,770 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,468 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,517 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,250 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,017 |
| Biggest Cities in France | 0 | - | 4.69 | 222,001 |
