| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.90 | 82,011 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.92 | 90,398 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 208,416 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 159,690 |
| Countries of Europe by Population | 0 | - | 4.98 | 130,044 |
| Asia Capitals Quiz | 0 | - | 4.98 | 602,496 |
| Random Asian Country to Capital | 0 | - | 4.94 | 86,415 |
| Random Asian Capital to Country | 0 | - | 4.97 | 90,444 |
| Asia Capital to Country | 0 | - | 4.96 | 106,702 |
| Asian Capitals by Map | 0 | - | 4.98 | 48,450 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.90 | 47,216 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 139,044 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 111,052 |
| Biggest Cities in Asia | 0 | - | 4.94 | 97,324 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 44,155 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 78,764 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 52,204 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 121,967 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,323,250 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 352,260 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 128,107 |
| Countries with Megacities | 0 | - | 4.99 | 200,501 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 174,213 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 99,284 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 97,439 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 65,284 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 251,445 |
| Biggest Cities in the World | 0 | - | 4.90 | 697,635 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 104,334 |
| Nordic Countries and Capitals | 0 | - | 4.94 | 77,252 |
| Random European Capital to Country | 0 | - | 4.97 | 154,322 |
| Random European Country to Capital | 0 | - | 4.92 | 136,194 |
| Random African Capital to Country | 0 | - | 4.97 | 80,665 |
| Random African Country to Capital | 0 | - | 4.94 | 62,541 |
| Top 10 Richest Countries in Asia | 0 | - | 4.87 | 82,782 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 67,941 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 117,746 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 67,031 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 247,262 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 110,091 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 104,003 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 71,723 |
| Top 10 Least Populous U.S. States | 0 | - | 4.93 | 174,325 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 151,298 |
| Biggest City by Time Zone | 0 | - | 4.84 | 55,495 |
| Biggest City in Every Country | 0 | - | 4.98 | 80,704 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 172,864 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 93,553 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 98,742 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 66,247 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.84 | 72,805 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 376,189 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.95 | 66,437 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 42,819 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 60,493 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 46,799 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 56,223 |
| Biggest Cities in the United States | 0 | - | 4.93 | 844,205 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 337,388 |
| Africa Capitals Quiz | 0 | - | 4.99 | 644,104 |
| World Capitals Closest to Bangkok | 0 | - | 4.90 | 38,354 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 45,558 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 89,199 |
| Most Populous Countries by Year | 0 | - | 4.81 | 95,073 |
| Most Populous Country by First Two Letters | 0 | - | 4.71 | 67,463 |
| Demographics Multiple Choice | 0 | - | 4.64 | 40,068 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 79,162 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 97,817 |
| Countries with the Most People Bordering Them | 0 | - | 4.97 | 83,088 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 94,528 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 72,168 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 109,811 |
| Biggest Cities by Language | 0 | - | 4.95 | 215,733 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 65,213 |
| Most Populous World Capitals | 0 | - | 4.93 | 157,719 |
| Biggest European Cities by Century | 0 | - | 4.98 | 119,929 |
| Megacities on a World Map | 0 | - | 4.98 | 222,935 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 520,073 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 60,552 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 64,258 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 85,884 |
| Cities of China (With Some Help) | 0 | - | 4.87 | 28,526 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 152,619 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 206,945 |
| First Countries to Reach 5 Million People | 0 | - | 4.90 | 110,463 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.85 | 69,143 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 76,712 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.91 | 54,060 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 67,409 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 87,788 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.94 | 94,968 |
| Most-Visited Cities in Europe | 0 | - | 4.92 | 58,174 |
| Europe Capital to Country | 0 | - | 4.99 | 222,390 |
| EU Capitals with No Hints | 0 | - | 4.96 | 126,372 |
| European Capitals by Map | 0 | - | 4.99 | 96,621 |
| African Capitals by Map | 0 | - | 4.99 | 112,876 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.89 | 79,999 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.95 | 73,381 |
| European Coastal Capitals | 0 | - | 4.95 | 78,148 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 232,389 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.90 | 196,240 |
| Capitals of Mediterranean Countries | 0 | - | 4.96 | 76,532 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 145,213 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 147,509 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 147,330 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.97 | 65,267 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 156,023 |
| Megacities on an Empty Map | 0 | - | 4.95 | 88,396 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.93 | 42,638 |
| Most Populous Countries in 1900 | 0 | - | 4.92 | 163,053 |
| Official Cities in the UK | 0 | - | 4.86 | 235,276 |
| South America Capitals Quiz | 0 | - | 5.00 | 431,322 |
| North America Capitals Quiz | 0 | - | 4.99 | 188,941 |
| African Capitals - Map Quiz | 0 | - | 4.95 | 53,146 |
| Top 10 Most Remote European Capitals | 0 | - | 4.85 | 85,076 |
| European Capitals - Map Quiz | 0 | - | 4.98 | 106,701 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 67,460 |
| European Capitals Ending in N | 0 | - | 4.92 | 74,556 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 113,624 |
| African Diaspora - Top 10 Countries | 0 | - | 4.91 | 66,676 |
| European Diaspora - Top 11 Countries | 0 | - | 4.89 | 84,904 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.81 | 38,188 |
| 10 European Countries with the Most Tourists | 0 | - | 4.97 | 122,660 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 92,839 |
| Most Populous Islands | 0 | - | 4.71 | 113,596 |
| Islands by Largest City #1 | 0 | - | 4.48 | 82,484 |
| Countries by Population Decrease | 0 | - | 4.43 | 46,858 |
| Most Populous Islands of Europe | 0 | - | 4.53 | 24,326 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.55 | 50,188 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.91 | 7,426 |
| Asian Coastal Capitals | 0 | - | 4.54 | 20,395 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.63 | 13,990 |
| Name a Valid Asian Capital | 0 | - | 4.52 | 55,888 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.89 | 51,223 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 64,249 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 68,372 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 202,222 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 308,024 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 99,350 |
| British Cities with the Most Tourists | 0 | - | 4.81 | 56,615 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 96,425 |
| Most-Visited U.S. Cities | 0 | - | 4.87 | 74,295 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 63,967 |
| Capitals of Canadian Provinces | 0 | - | 4.86 | 74,246 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 63,755 |
| Name a Valid European Capital | 0 | - | 4.94 | 126,840 |
| European Capital Superlatives - Top 2 | 0 | - | 4.93 | 62,151 |
| Total United States Immigration by Country | 0 | - | 4.89 | 97,645 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.94 | 187,756 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 103,152 |
| Top 10 Coldest European Countries | 0 | - | 4.95 | 182,296 |
| Top 10 Hottest European Countries | 0 | - | 4.87 | 116,571 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 117,056 |
| Top 10 Most Forested Countries in Asia | 0 | - | 4.66 | 59,883 |
| Boundary Waters | 0 | - | 4.93 | 81,649 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 75,970 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.75 | 93,843 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.46 | 65,290 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 98,140 |
| Biggest Cities by Trait #1 | 0 | - | 4.45 | 43,268 |
| Biggest City by Region | 0 | - | 4.50 | 33,945 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 53,810 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 143,195 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.84 | 44,505 |
| Largest World Capitals with Exceptions | 0 | - | 4.72 | 50,581 |
| Two Largest Cities by First Two Letters | 0 | - | 4.58 | 77,562 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 70,487 |
| 500 Biggest US Cities | 0 | - | 4.88 | 100,101 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.82 | 53,402 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 47,296 |
| Biggest Cities in Japan | 0 | - | 4.65 | 76,220 |
| Biggest Cities in China | 0 | - | 4.57 | 140,695 |
| Biggest Cities in India | 0 | - | 4.71 | 63,007 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,541,782 |
| India State Capitals Quiz | 0 | - | 4.31 | 55,547 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 117,241 |
| Most Guessed European Capitals | 0 | - | 4.89 | 96,884 |
| Melbourne Suburbs | 0 | - | 4.81 | 38,578 |
| Countries of the World Quiz | 0 | - | 5.00 | 41,508,119 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 331,319 |
| Vietnam War Countries | 0 | - | 4.81 | 86,895 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 67,602 |
| Every Asian Country Shape | 0 | - | 4.94 | 76,329 |
| Top 10 Richest Countries in the Americas | 0 | - | 4.88 | 69,210 |
| Top 10 Richest Countries in Africa | 0 | - | 4.87 | 68,627 |
| Top 10 Richest Countries in Europe | 0 | - | 4.88 | 136,893 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 94,685 |
| Countries that Visit the United States the Most | 0 | - | 4.95 | 79,806 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.83 | 30,654 |
| World Geography on a Map #1 | 0 | - | 4.93 | 68,006 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 85,194 |
| Islands by Largest City #2 | 0 | - | 4.72 | 26,961 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.39 | 79,367 |
| Population Trivia | 0 | - | 4.35 | 26,430 |
| Biggest English-Speaking Cities | 0 | - | 4.42 | 136,891 |
| Biggest Cities in Europe | 0 | - | 4.75 | 471,373 |
| Biggest City by Island | 0 | - | 4.57 | 46,001 |
| Biggest Cities in History | 0 | - | 4.50 | 81,451 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 68,364 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 51,360 |
