| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,761 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,817 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,532 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,886 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,888 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,298 |
| African Capitals by Map | 0 | - | 4.99 | 132,097 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,394 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,821 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,900 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,942 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,792 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,972 |
| Countries with Megacities | 0 | - | 4.99 | 246,465 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,887 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,785 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,350 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,739 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,240 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,420 |
| Biggest Cities in the World | 0 | - | 4.92 | 789,817 |
| Africa Map Quiz | 0 | - | 5.00 | 2,103,500 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,064 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,769 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,798 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,807 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,435 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,535 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,196 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,581 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,565 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,728 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,779 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,857 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,420 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,469 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,504 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,001 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,116 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,693 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,623 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,461 |
| Name a City - European Countries | 0 | - | 4.92 | 64,324 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,766 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,866 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,429 |
| Biggest Cities in the United States | 0 | - | 4.93 | 965,923 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,627 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,342 |
| Countries of Africa | 0 | - | 5.00 | 2,506,090 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,646 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,078 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,329 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,210 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,227 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,126 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,107 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,239 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,838 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,346 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,521 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,249 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,326 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,773 |
| Largest City by Island | 0 | - | 4.87 | 70,989 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,341 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,465 |
| Biggest European Cities by Century | 0 | - | 4.98 | 141,597 |
| Megacities on a World Map | 0 | - | 4.98 | 250,756 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 572,936 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,752 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,805 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,588 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,088 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,383 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,225 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,208 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,556 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,522 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,755 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,150 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,725 |
| Europe Capital to Country | 0 | - | 4.99 | 247,409 |
| Asia Capital to Country | 0 | - | 4.96 | 125,683 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,376 |
| European Capitals by Map | 0 | - | 4.99 | 136,107 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,051 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,112 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,564 |
| European Coastal Capitals | 0 | - | 4.95 | 89,696 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,160 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,568 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,648 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,399 |
| African Island Countries | 0 | - | 4.96 | 100,720 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,056 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,026 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,004 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,549 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,518 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,199 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,462 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,411 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,785 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,585 |
| Boundary Waters | 0 | - | 4.92 | 88,023 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,794 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,224 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,211 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,803 |
| Most Populous Islands | 0 | - | 4.78 | 121,941 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,194 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,399 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,597 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,714 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,326 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,829 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,108 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,898 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,920 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,209 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,533 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,821 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,435 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,260 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,539 |
| Official Cities in the UK | 0 | - | 4.89 | 280,350 |
| South America Capitals Quiz | 0 | - | 5.00 | 477,024 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,721 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,607 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,369 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,061 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,125 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,669 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,402 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,733 |
| The Only African Country ... | 0 | - | 4.99 | 128,312 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,754 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,224 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,056 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,022 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,884,009 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,411 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,919 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,866 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,889 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,672 |
| Biggest City by Region | 0 | - | 4.50 | 35,984 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,882 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,511 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,077 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,372 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,515 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,006 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,215 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,902 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,727 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,245 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,141 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,788 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,217 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,650 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,343 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,755 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,636 |
| Landlocked Countries | 0 | - | 4.99 | 413,209 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,329 |
| Name a Valid African Country | 0 | - | 4.98 | 152,877 |
| Tanzania Country Quiz | 0 | - | 4.90 | 32,802 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,016 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,470 |
| D.R. Congo Country Quiz | 0 | - | 4.87 | 39,028 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,128 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,953 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,104 |
| Population Trivia | 0 | - | 4.32 | 27,417 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,195 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,409 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,204 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,658 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,701 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,402 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,483 |
| World Capitals Quiz | 0 | - | 5.00 | 5,028,567 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,376 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,166 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,986 |
| Random European Capital to Country | 0 | - | 4.98 | 189,126 |
| Random European Country to Capital | 0 | - | 4.92 | 147,382 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,317 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,355 |
| Random African Capital to Country | 0 | - | 4.97 | 99,698 |
| Random African Country to Capital | 0 | - | 4.94 | 70,171 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,703 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,397 |
| Himalayan Countries | 0 | - | 4.95 | 135,175 |
| Andean Countries | 0 | - | 4.94 | 82,740 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,156 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,090 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,824 |
