| Countries of Europe by Population | 0 | - | 4.98 | 180,092 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,484 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,997 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,608 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,334 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,541 |
| Random European Capital to Country | 0 | - | 4.98 | 190,614 |
| Random European Country to Capital | 0 | - | 4.93 | 164,539 |
| Europe Capital to Country | 0 | - | 4.99 | 249,529 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,559 |
| European Capitals by Map | 0 | - | 4.99 | 138,521 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,863 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,222 |
| European Coastal Capitals | 0 | - | 4.95 | 90,364 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,527 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,636 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,866 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,696 |
| Official Cities in the UK | 0 | - | 4.89 | 283,010 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,877 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,964 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,068 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,162 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,760 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,846 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,917 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 69,923 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 146,992 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,043 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,044 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,442,963 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,630 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,942 |
| Countries with Megacities | 0 | - | 4.99 | 258,008 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,817 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,941 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,100 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,952 |
| Biggest Cities in the World | 0 | - | 4.91 | 796,465 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,439 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,188 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,586 |
| Random African Capital to Country | 0 | - | 4.97 | 100,477 |
| Random African Country to Capital | 0 | - | 4.94 | 71,081 |
| Top 10 Richest Countries in Europe | 0 | - | 4.90 | 149,399 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,705 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,534 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,357 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,656 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,249 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,346 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,310 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,770 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,908 |
| Biggest Cities in Europe | 0 | - | 4.72 | 545,278 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,437 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,863 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,058 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,849 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,718 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,341 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,178 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,414 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,424 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,650 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,498 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,751 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,205 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,345 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,815 |
| Biggest Cities in the United States | 0 | - | 4.93 | 975,290 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,491 |
| Biggest Cities in Germany | 0 | - | 4.95 | 292,938 |
| Name a City - European Countries | 0 | - | 4.90 | 65,177 |
| Africa Capitals Quiz | 0 | - | 4.99 | 735,734 |
| Asia Capitals Quiz | 0 | - | 4.98 | 690,918 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,467 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,593 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,135 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,305 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,343 |
| Cities in European History #1 | 0 | - | 4.63 | 133,781 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,820 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,354 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,791 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,211 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,491 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,188 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,678 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,959 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,137 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,814 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,004 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,953 |
| Largest City by Island | 0 | - | 4.87 | 71,649 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,770 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,640 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,225 |
| Megacities on a World Map | 0 | - | 4.98 | 253,276 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 576,906 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,194 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,662 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,379 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.68 | 63,685 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,165 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,047 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,707 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,080 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,060 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,389 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,151 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,425 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,063 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,387 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,804 |
| Asia Capital to Country | 0 | - | 4.96 | 126,457 |
| African Capitals by Map | 0 | - | 4.99 | 133,334 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,065 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,493 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,106 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,738 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,094 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,785 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,763 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,879 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,021 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,652 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,803 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,609 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,882 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,078 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,789 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,563 |
| South America Capitals Quiz | 0 | - | 5.00 | 480,378 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,038 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,232 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,683 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,080 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,628 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,658 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,238 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,766 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,012 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,007 |
| Most Populous Islands | 0 | - | 4.80 | 122,771 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,273 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,499 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,764 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,815 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,118 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,298 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,467 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,376 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,181 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,342 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,293 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,067 |
| Capitals of the Stans | 0 | - | 4.95 | 26,735 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,309 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,538 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,786 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,385 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,954 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,483 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,920 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,832 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,470 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,523 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,890 |
| Boroughs of London | 0 | - | 4.63 | 87,664 |
| London Geography | 0 | - | 4.47 | 59,624 |
| UK Immigration by Country | 0 | - | 4.94 | 140,666 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,311 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,701 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,175 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 198,904 |
| Top 10 Coldest European Countries | 0 | - | 4.94 | 192,871 |
| Top 10 Hottest European Countries | 0 | - | 4.88 | 126,776 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 122,814 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,438 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,215 |
| Boundary Waters | 0 | - | 4.92 | 88,368 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,067 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,889 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 62,140 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,317 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,491 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,064 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,384 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,041 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,916 |
| Biggest City by Region | 0 | - | 4.50 | 36,117 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,049 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,007 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,039 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,105 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,147 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,320 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,160 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,215 |
