| Countries of Europe by Population | 0 | - | 4.98 | 180,845 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 183,872 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,352 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,843 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,441 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,673 |
| Random European Capital to Country | 0 | - | 4.98 | 190,937 |
| Random European Country to Capital | 0 | - | 4.93 | 165,137 |
| Europe Capital to Country | 0 | - | 4.99 | 250,350 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,897 |
| European Capitals by Map | 0 | - | 4.99 | 139,205 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,090 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,433 |
| European Coastal Capitals | 0 | - | 4.95 | 90,613 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 224,084 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,029 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,194 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,770 |
| Official Cities in the UK | 0 | - | 4.89 | 283,794 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,051 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,283 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,188 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,299 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,379 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,404 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,373 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,163 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,735 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,405 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,165 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,445,880 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,383 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,490 |
| Countries with Megacities | 0 | - | 4.99 | 263,500 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,337 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,267 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,625 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,300 |
| Biggest Cities in the World | 0 | - | 4.91 | 799,005 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,524 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,462 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,763 |
| Random African Capital to Country | 0 | - | 4.97 | 100,744 |
| Random African Country to Capital | 0 | - | 4.94 | 71,218 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,745 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,897 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,723 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,833 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,917 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,401 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,552 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,640 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 175,642 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,091 |
| Biggest Cities in Europe | 0 | - | 4.73 | 546,426 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,974 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,587 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 225,115 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,380 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 133,935 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,844 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,543 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 417,726 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,940 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 59,741 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,738 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,066 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,535 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,654 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,362 |
| Biggest Cities in the United States | 0 | - | 4.94 | 978,581 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,210 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,519 |
| Name a City - European Countries | 0 | - | 4.90 | 65,395 |
| Africa Capitals Quiz | 0 | - | 4.99 | 737,814 |
| Asia Capitals Quiz | 0 | - | 4.98 | 693,039 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,720 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,039 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,202 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,757 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,576 |
| Cities in European History #1 | 0 | - | 4.63 | 134,021 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,890 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,639 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,864 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,257 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,614 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,453 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,908 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,168 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,321 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,894 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,565 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,422 |
| Largest City by Island | 0 | - | 4.87 | 71,886 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,007 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,976 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,543 |
| Megacities on a World Map | 0 | - | 4.98 | 254,590 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 578,280 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,357 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,957 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,497 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 66,207 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,707 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,405 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,014 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,302 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,201 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,763 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,260 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,547 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,261 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,701 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 75,119 |
| Asia Capital to Country | 0 | - | 4.96 | 126,677 |
| African Capitals by Map | 0 | - | 4.99 | 133,810 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,418 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,590 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 270,050 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,834 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,261 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,257 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,983 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,138 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,296 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,963 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,265 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,020 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,098 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,430 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,999 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,749 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,509 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,848 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,493 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,850 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,382 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,788 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,874 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,564 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,021 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,673 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,606 |
| Most Populous Islands | 0 | - | 4.80 | 122,938 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,303 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,534 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,821 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,849 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,227 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,423 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,529 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,439 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,370 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,510 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,349 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,192 |
| Capitals of the Stans | 0 | - | 4.95 | 26,847 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,447 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,663 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,915 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,538 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,990 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,821 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,944 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,841 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,856 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,808 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,108 |
| Boroughs of London | 0 | - | 4.63 | 87,914 |
| London Geography | 0 | - | 4.47 | 59,681 |
| UK Immigration by Country | 0 | - | 4.94 | 140,917 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,665 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,016 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 244,101 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,441 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 193,137 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 127,031 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,978 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,831 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,639 |
| Boundary Waters | 0 | - | 4.92 | 88,473 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,172 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,101 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,469 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,470 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,695 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,139 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,580 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,089 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,991 |
| Biggest City by Region | 0 | - | 4.50 | 36,226 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,143 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,332 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,315 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,443 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,189 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,354 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,268 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.90 | 81,534 |
