| Countries of Europe by Population | 0 | - | 4.98 | 178,944 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,533 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,440 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,308 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,241 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,968 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,239 |
| Random European Capital to Country | 0 | - | 4.98 | 189,639 |
| Random European Country to Capital | 0 | - | 4.92 | 147,743 |
| Europe Capital to Country | 0 | - | 4.99 | 248,603 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,932 |
| European Capitals by Map | 0 | - | 4.99 | 137,357 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,498 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,880 |
| European Coastal Capitals | 0 | - | 4.95 | 90,018 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 222,544 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,153 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,406 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 343,113 |
| Official Cities in the UK | 0 | - | 4.89 | 281,569 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,618 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,471 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,862 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,932 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,133 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,041 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,240 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,514 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 145,800 |
| Name a Valid European Capital | 0 | - | 4.95 | 151,448 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,845 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,438,534 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,518 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,014 |
| Countries with Megacities | 0 | - | 4.99 | 248,434 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,904 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,412 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,293 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,351 |
| Biggest Cities in the World | 0 | - | 4.91 | 793,033 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,315 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,584 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,691 |
| Random African Capital to Country | 0 | - | 4.97 | 99,919 |
| Random African Country to Capital | 0 | - | 4.94 | 70,402 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,347 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,201 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,678 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,206 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,775 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,007 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,794 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 173,468 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,556 |
| Biggest Cities in Europe | 0 | - | 4.70 | 543,270 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,046 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,219 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,933 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,287 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 131,334 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,896 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,831 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 414,940 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,960 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,349 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,102 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,419 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,949 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,986 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,117 |
| Biggest Cities in the United States | 0 | - | 4.93 | 970,432 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,541 |
| Biggest Cities in Germany | 0 | - | 4.95 | 292,063 |
| Name a City - European Countries | 0 | - | 4.91 | 64,729 |
| Africa Capitals Quiz | 0 | - | 4.99 | 732,653 |
| Asia Capitals Quiz | 0 | - | 4.98 | 688,194 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,134 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 94,912 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,022 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 97,588 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,011 |
| Cities in European History #1 | 0 | - | 4.63 | 133,441 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,706 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,648 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,711 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,145 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,287 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,720 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,253 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,655 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,826 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,545 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,244 |
| Biggest Cities by Language | 0 | - | 4.96 | 244,790 |
| Largest City by Island | 0 | - | 4.87 | 71,315 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,544 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,855 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,819 |
| Megacities on a World Map | 0 | - | 4.98 | 251,980 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 574,864 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,974 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,250 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,207 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,217 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,371 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,550 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,837 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,578 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,468 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,834 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,725 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,969 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,456 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,939 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 74,279 |
| Asia Capital to Country | 0 | - | 4.96 | 126,058 |
| African Capitals by Map | 0 | - | 4.99 | 132,635 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,611 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,303 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 267,846 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,530 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 93,813 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,108 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,408 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,459 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,688 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,349 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,318 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,970 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,679 |
| Megacities on an Empty Map | 0 | - | 4.97 | 116,307 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,507 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,829 |
| South America Capitals Quiz | 0 | - | 5.00 | 478,658 |
| North America Capitals Quiz | 0 | - | 4.99 | 217,868 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,890 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,414 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,735 |
| Counties of England Map Quiz | 0 | - | 4.97 | 306,491 |
| UK Cities Map Quiz | 0 | - | 4.95 | 462,969 |
| Most Populous Islands | 0 | - | 4.79 | 122,135 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,228 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,442 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,672 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,757 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,971 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,099 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,392 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,265 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 47,871 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,011 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,217 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 93,897 |
| Capitals of the Stans | 0 | - | 4.95 | 26,564 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,112 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,359 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 68,654 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,236 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,896 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,006 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,872 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,810 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,823 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,115 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,634 |
| Boroughs of London | 0 | - | 4.63 | 87,309 |
| London Geography | 0 | - | 4.47 | 59,537 |
| UK Immigration by Country | 0 | - | 4.94 | 139,999 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,914 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,309 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,862 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 197,835 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 138,713 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 116,684 |
| Boundary Waters | 0 | - | 4.92 | 88,162 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,914 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,546 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,659 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 60,036 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,031 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 75,911 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,127 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,965 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,810 |
| Biggest City by Region | 0 | - | 4.50 | 36,045 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,976 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,597 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,707 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,670 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,082 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,270 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,036 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,944 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,125 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,616 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 36,885 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,902 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,756 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,304 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,145 |
