| Countries of Europe by Population | 0 | - | 4.98 | 180,544 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,729 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,520 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,889 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,381 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,198 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,151 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,662 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,221 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,509 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,179 |
| Europe Capital to Country | 0 | - | 4.99 | 249,882 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,759 |
| European Capitals by Map | 0 | - | 4.99 | 138,937 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,000 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,344 |
| European Coastal Capitals | 0 | - | 4.95 | 90,519 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,814 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,019 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,837 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,727 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,200 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,766 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,393 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,055 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,058 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,250 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,671 |
| Official Cities in the UK | 0 | - | 4.89 | 283,442 |
| Cities in European History #1 | 0 | - | 4.63 | 133,920 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 93,971 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,163 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,142 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,242 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,741 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,159 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,180 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.99 | 101,257 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,082 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,401 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,263 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,119 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,893 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,444,629 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,074 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,283 |
| Countries with Megacities | 0 | - | 4.99 | 262,542 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,114 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,127 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,413 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,178 |
| Biggest Cities in the World | 0 | - | 4.91 | 797,913 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,486 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,620 |
| Random European Capital to Country | 0 | - | 4.98 | 190,778 |
| Random European Country to Capital | 0 | - | 4.93 | 164,988 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,836 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,649 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,624 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,809 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,345 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,467 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,496 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 175,274 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,017 |
| Biggest Cities in Europe | 0 | - | 4.73 | 546,035 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,796 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,354 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,735 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,184 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 133,498 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,693 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,417 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 417,071 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,748 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 57,934 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,627 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,949 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,135 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,540 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,148 |
| Biggest Cities in the United States | 0 | - | 4.94 | 977,310 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,909 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,264 |
| Name a City - European Countries | 0 | - | 4.90 | 65,312 |
| Africa Capitals Quiz | 0 | - | 4.99 | 736,938 |
| Asia Capitals Quiz | 0 | - | 4.98 | 692,128 |
| Random European Capitals on a Map | 0 | - | 4.97 | 134,611 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,315 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,667 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,307 |
| Biggest Cities in History | 0 | - | 4.52 | 90,090 |
| Top 10 World Cities Through History | 0 | - | 4.42 | 77,056 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,435 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,846 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,177 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,550 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 40,388 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,866 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,033 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,832 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,244 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,551 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,354 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,816 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,084 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,254 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,869 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,419 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,262 |
| Largest City by Island | 0 | - | 4.87 | 71,798 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,842 |
| Megacities on a World Map | 0 | - | 4.98 | 254,214 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 577,695 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,301 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,854 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,448 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 65,686 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,483 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,757 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,245 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,885 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,574 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,991 |
| Former Capitals | 0 | - | 4.88 | 71,424 |
| Asia Capital to Country | 0 | - | 4.96 | 126,583 |
| African Capitals by Map | 0 | - | 4.99 | 133,632 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,250 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,552 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,624 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,799 |
| Which City In the United Kingdom? | 0 | - | 4.97 | 94,192 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,826 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,388 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,886 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,037 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,161 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,856 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,837 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,977 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,286 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,899 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,013 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,466 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,401 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,781 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,263 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,592 |
| Counties of England Map Quiz | 0 | - | 4.97 | 307,404 |
| UK Cities Map Quiz | 0 | - | 4.96 | 464,302 |
| Most Populous Islands | 0 | - | 4.80 | 122,873 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,290 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,522 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,793 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,836 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,187 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,367 |
| UK Cities and Towns by Map | 0 | - | 4.48 | 46,492 |
| European Cities with the Biggest Economies | 0 | - | 4.61 | 38,417 |
| Cities in the United Kingdom by Proximity | 0 | - | 4.63 | 48,288 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,439 |
| European Capitals with the Least Sunshine | 0 | - | 4.46 | 50,330 |
| Word Scramble - European Capitals | 0 | - | 4.70 | 94,133 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,523 |
| Biggest British Empire Countries | 0 | - | 4.74 | 99,884 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,139 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 125,762 |
| Countries of Europe After World War II | 0 | - | 4.99 | 188,247 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 156,437 |
| Capitals of the Stans | 0 | - | 4.95 | 26,814 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,382 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,608 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,873 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,494 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,972 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,675 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 42,073 |
| Word Scramble - U.K. Cities | 0 | - | 4.57 | 64,939 |
| 20 Northernmost English Cities | 0 | - | 4.49 | 23,836 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,696 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,708 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,033 |
| Boroughs of London | 0 | - | 4.63 | 87,810 |
| London Geography | 0 | - | 4.47 | 59,653 |
| UK Immigration by Country | 0 | - | 4.94 | 140,805 |
| Top 10 Biggest Economies in Europe | 0 | - | 4.98 | 199,258 |
| United Kingdom Country Quiz | 0 | - | 4.96 | 139,666 |
| Soviet Union Country Quiz | 0 | - | 4.90 | 80,688 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 117,475 |
| Boundary Waters | 0 | - | 4.92 | 88,433 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,127 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,013 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,346 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,415 |
| "Second Best" Geography Edition #3 | 0 | - | 4.90 | 70,350 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,615 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,106 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,501 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,070 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,954 |
