| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 159,386 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.90 | 79,924 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.89 | 84,113 |
| Asia Capitals Quiz | 0 | - | 4.98 | 587,534 |
| Countries of Europe by Population | 0 | - | 4.98 | 124,531 |
| Asia Capital to Country | 0 | - | 4.96 | 105,009 |
| Asian Capitals by Map | 0 | - | 4.98 | 45,962 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 46,224 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 136,136 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 203,373 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 155,981 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 108,823 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 77,363 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,301,817 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 347,491 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 124,089 |
| Countries with Megacities | 0 | - | 4.99 | 194,667 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 169,407 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 96,835 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 93,649 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 62,685 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 244,981 |
| Biggest Cities in the World | 0 | - | 4.89 | 678,536 |
| Afghanistan Country Quiz | 0 | - | 4.43 | 37,607 |
| East Asia Map Quiz | 0 | - | 4.99 | 1,334,485 |
| Asia Map Quiz | 0 | - | 4.99 | 773,882 |
| World Capitals Closest to Bangkok | 0 | - | 4.91 | 37,936 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 116,274 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 65,333 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 243,376 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 108,212 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 89,472 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.93 | 64,395 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 171,233 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 148,452 |
| Biggest City by Time Zone | 0 | - | 4.83 | 53,413 |
| Biggest City in Every Country | 0 | - | 4.97 | 77,564 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 167,299 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 90,819 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 94,502 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 60,198 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.85 | 70,181 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 367,309 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.94 | 64,211 |
| Biggest Cities in Deserts | 0 | - | 4.93 | 42,006 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 59,052 |
| Biggest Cities in the United States | 0 | - | 4.92 | 808,337 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 320,778 |
| Africa Capitals Quiz | 0 | - | 4.99 | 627,384 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 44,648 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,273,363 |
| South and Central Asia Map Quiz | 0 | - | 4.92 | 78,662 |
| Asian Cities by Map #1 | 0 | - | 4.49 | 38,828 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 80,082 |
| Flags of Asia Quiz | 0 | - | 4.99 | 518,755 |
| Most Populous Country by First Two Letters | 0 | - | 4.73 | 66,443 |
| Demographics Multiple Choice | 0 | - | 4.66 | 39,548 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 78,261 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 95,605 |
| Countries with the Most People Bordering Them | 0 | - | 4.95 | 74,438 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 92,563 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 64,421 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 108,158 |
| Biggest Cities by Language | 0 | - | 4.95 | 212,426 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 64,491 |
| Most Populous World Capitals | 0 | - | 4.92 | 146,593 |
| Biggest European Cities by Century | 0 | - | 4.97 | 117,719 |
| Megacities on a World Map | 0 | - | 4.98 | 219,098 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 508,752 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 59,397 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 62,730 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 82,992 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 150,020 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 203,995 |
| First Countries to Reach 5 Million People | 0 | - | 4.90 | 108,823 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.85 | 68,191 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 75,635 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.91 | 53,326 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.92 | 66,557 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 86,275 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.94 | 78,651 |
| Most-Visited Cities in Europe | 0 | - | 4.92 | 55,577 |
| Random Asian City to Country | 0 | - | 4.52 | 33,469 |
| Europe Capital to Country | 0 | - | 4.99 | 218,088 |
| EU Capitals with No Hints | 0 | - | 4.95 | 123,135 |
| European Capitals by Map | 0 | - | 4.99 | 90,761 |
| African Capitals by Map | 0 | - | 4.99 | 108,934 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.87 | 78,033 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.95 | 71,237 |
| European Coastal Capitals | 0 | - | 4.95 | 76,473 |
| Capitals of Oceania Quiz | 0 | - | 4.98 | 225,110 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.90 | 191,720 |
| Capitals of Mediterranean Countries | 0 | - | 4.97 | 75,710 |
| Countries of the Middle East | 0 | - | 4.96 | 171,376 |
| Countries with the Highest Population Density | 0 | - | 4.93 | 142,802 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 139,175 |
| Countries of Asia with Two or More Words | 0 | - | 4.95 | 109,974 |
| Asian Countries Ending in "IA" | 0 | - | 4.94 | 92,692 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 124,837 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 88,013 |
| 10 Easternmost Countries in Asia | 0 | - | 4.98 | 95,773 |
| East Asia Cities Map Quiz | 0 | - | 4.97 | 99,595 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 144,844 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.97 | 63,795 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 153,707 |
| Biggest Cities in Asia | 0 | - | 4.94 | 94,998 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 42,941 |
| Megacities on an Empty Map | 0 | - | 4.96 | 86,811 |
| Most Populous Countries in 1900 | 0 | - | 4.92 | 161,119 |
| Official Cities in the UK | 0 | - | 4.87 | 230,061 |
| South America Capitals Quiz | 0 | - | 5.00 | 415,407 |
| North America Capitals Quiz | 0 | - | 4.99 | 184,103 |
| African Capitals - Map Quiz | 0 | - | 4.95 | 51,520 |
| Top 10 Most Remote European Capitals | 0 | - | 4.84 | 83,629 |
| European Capitals - Map Quiz | 0 | - | 4.98 | 104,234 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 66,499 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 50,426 |
| European Capitals Ending in N | 0 | - | 4.91 | 73,460 |
| Asian Countries with the Shortest Names | 0 | - | 4.98 | 120,581 |
| Monarchies of Asia | 0 | - | 4.95 | 53,580 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 109,868 |
| Asian Diaspora - Top 10 Countries | 0 | - | 4.82 | 37,195 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.90 | 90,349 |
| Asian Countries with the Fewest Borders | 0 | - | 4.81 | 87,612 |
| Pixelated Asia Map | 0 | - | 4.89 | 62,500 |
| Most Populous Islands | 0 | - | 4.71 | 112,015 |
| Islands by Largest City #1 | 0 | - | 4.48 | 81,936 |
| Countries by Population Decrease | 0 | - | 4.43 | 46,268 |
| Most Populous Islands of Europe | 0 | - | 4.53 | 24,012 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.55 | 49,028 |
| Southeast Asian Cities by Map | 0 | - | 4.64 | 24,790 |
| World Capitals Closest to Jerusalem | 0 | - | 4.45 | 42,679 |
| Asian Coastal Capitals | 0 | - | 4.56 | 20,111 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 13,525 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.88 | 50,330 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 63,090 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 67,078 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 197,415 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 108,316 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 301,422 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 96,149 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.96 | 91,011 |
| Most-Visited U.S. Cities | 0 | - | 4.87 | 71,142 |
| Every U.S. Metro Area on a Map | 0 | - | 4.96 | 61,902 |
| Capitals of Canadian Provinces | 0 | - | 4.86 | 72,993 |
| Most Guessed Asian Capitals | 0 | - | 4.51 | 63,149 |
| European Capital Superlatives - Top 2 | 0 | - | 4.93 | 61,320 |
| Asian Countries with the Most Christians | 0 | - | 4.86 | 83,579 |
| Top 10 Biggest Economies in Asia | 0 | - | 4.88 | 100,647 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 91,460 |
| Countries with the Most Ascents of Mount Everest | 0 | - | 4.96 | 52,027 |
| Countries with the Most Arabic Speakers | 0 | - | 4.91 | 69,820 |
| Top 10 Coldest Asian Countries | 0 | - | 4.95 | 116,106 |
| Countries Closest to the Persian Gulf | 0 | - | 4.88 | 68,162 |
| Japan Country Quiz | 0 | - | 4.92 | 118,089 |
| Indonesia Country Quiz | 0 | - | 4.83 | 64,683 |
| Provinces of China Map Quiz | 0 | - | 4.95 | 82,976 |
| China Cities Map Quiz | 0 | - | 4.87 | 87,942 |
| Asian Countries Americans Travel to the Most | 0 | - | 4.84 | 54,059 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 92,380 |
| Boundary Waters | 0 | - | 4.93 | 80,454 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 73,782 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.75 | 92,425 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.45 | 64,539 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.48 | 97,314 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 42,879 |
| Biggest City by Region | 0 | - | 4.48 | 33,324 |
| Most Populous 2nd Cities | 0 | - | 4.72 | 53,024 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 130,626 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.82 | 43,666 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 90,793 |
| Largest World Capitals with Exceptions | 0 | - | 4.72 | 50,211 |
| Two Largest Cities by First Two Letters | 0 | - | 4.58 | 67,706 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 68,878 |
| 500 Biggest US Cities | 0 | - | 4.85 | 96,269 |
| Ten Northernmost Megacities | 0 | - | 4.49 | 46,813 |
| Ten Southernmost Megacities | 0 | - | 4.80 | 45,994 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,515,414 |
| India State Capitals Quiz | 0 | - | 4.30 | 54,627 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 114,692 |
| Most Guessed European Capitals | 0 | - | 4.89 | 96,059 |
| Nordic Countries and Capitals | 0 | - | 4.94 | 76,212 |
| Random European Capital to Country | 0 | - | 4.97 | 151,476 |
| Random European Country to Capital | 0 | - | 4.92 | 134,010 |
| Random Asian Country to Capital | 0 | - | 4.94 | 85,045 |
| Random Asian Capital to Country | 0 | - | 4.97 | 88,375 |
| Random African Country to Capital | 0 | - | 4.94 | 61,354 |
| Which City in Asia? | 0 | - | 4.45 | 39,671 |
| Countries of the World Quiz | 0 | - | 5.00 | 40,446,869 |
| Landlocked Countries Quiz | 0 | - | 4.99 | 317,304 |
| South China Sea Countries | 0 | - | 4.82 | 53,495 |
| Top 10 Asian Countries by Coastline | 0 | - | 4.91 | 88,517 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 66,778 |
| The Only Remaining Asian Country . . . | 0 | - | 4.72 | 39,396 |
| Top 10 Richest Countries in Asia | 0 | - | 4.86 | 72,400 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 66,813 |
| Countries Bordering India | 0 | - | 4.98 | 155,243 |
| Countries Bordering Iran | 0 | - | 4.84 | 87,802 |
| Countries that Border China | 0 | - | 4.96 | 231,806 |
| Countries that Border Iraq | 0 | - | 4.97 | 101,237 |
