| Top 10 Most Populous African Countries | 0 | - | 4.99 | 191,718 |
| Africa Capitals Quiz | 0 | - | 4.99 | 729,564 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,499 |
| Countries of Europe by Population | 0 | - | 4.98 | 177,790 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 122,861 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 109,263 |
| African Capitals by Map | 0 | - | 4.99 | 132,081 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,229 |
| Top 10 Most Populous European Countries | 0 | - | 4.98 | 230,762 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 181,851 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 102,919 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,770 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,913 |
| Countries with Megacities | 0 | - | 4.99 | 246,313 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,837 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,759 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,292 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,699 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,433,853 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,318 |
| Biggest Cities in the World | 0 | - | 4.92 | 789,522 |
| Africa Map Quiz | 0 | - | 5.00 | 2,103,080 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,045 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,745 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,748 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,784 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,412 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,516 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,174 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,534 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,504 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,628 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,737 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,723 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,382 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,436 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,463 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 52,974 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,080 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,667 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,598 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,380 |
| Name a City - European Countries | 0 | - | 4.92 | 64,288 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 45,748 |
| Western Africa Map Quiz | 0 | - | 4.97 | 72,835 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,335 |
| Biggest Cities in the United States | 0 | - | 4.93 | 965,465 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,558 |
| Asia Capitals Quiz | 0 | - | 4.98 | 685,021 |
| Countries of Africa | 0 | - | 5.00 | 2,505,260 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,635 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,072 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,284 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,112 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,217 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,087 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,092 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,195 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 106,789 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,315 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,488 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,238 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,265 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,729 |
| Largest City by Island | 0 | - | 4.87 | 70,974 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,299 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,434 |
| Biggest European Cities by Century | 0 | - | 4.98 | 139,716 |
| Megacities on a World Map | 0 | - | 4.98 | 250,581 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 572,774 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,734 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,784 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,548 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,052 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,344 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,192 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,196 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,534 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,503 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,738 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,132 |
| Most-Visited Cities in Europe | 0 | - | 4.82 | 73,679 |
| Europe Capital to Country | 0 | - | 4.99 | 247,344 |
| Asia Capital to Country | 0 | - | 4.96 | 125,647 |
| EU Capitals with No Hints | 0 | - | 4.96 | 144,334 |
| European Capitals by Map | 0 | - | 4.99 | 136,011 |
| Asian Capitals by Map | 0 | - | 4.98 | 61,001 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,088 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 83,539 |
| European Coastal Capitals | 0 | - | 4.95 | 89,670 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,152 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 266,460 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 221,593 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,387 |
| African Island Countries | 0 | - | 4.96 | 100,687 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 164,026 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 168,992 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 151,959 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 215,512 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,488 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,174 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,443 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,374 |
| Flags of Africa Quiz | 0 | - | 5.00 | 462,479 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,577 |
| Boundary Waters | 0 | - | 4.92 | 88,003 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,790 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,198 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 61,163 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 59,782 |
| Most Populous Islands | 0 | - | 4.78 | 121,923 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,193 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,397 |
| Countries by Population Decrease | 0 | - | 4.45 | 49,591 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,706 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,291 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,812 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,081 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 22,873 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,864 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,136 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,519 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,718 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,382 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,236 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,497 |
| Official Cities in the UK | 0 | - | 4.89 | 280,264 |
| South America Capitals Quiz | 0 | - | 5.00 | 476,906 |
| North America Capitals Quiz | 0 | - | 4.99 | 216,600 |
| African Capitals - Map Quiz | 0 | - | 4.93 | 61,571 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 93,348 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 118,041 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,092 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 81,654 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 60,385 |
| European Capitals Ending in N | 0 | - | 4.92 | 80,719 |
| The Only African Country ... | 0 | - | 4.99 | 128,289 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,747 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,207 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,032 |
| Pixelated Africa Map | 0 | - | 4.98 | 98,988 |
| Countries of the World Quiz | 0 | - | 5.00 | 46,867,634 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.74 | 99,378 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 56,883 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,850 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,886 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,655 |
| Biggest City by Region | 0 | - | 4.50 | 35,977 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,879 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,497 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,054 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,318 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,482 |
| Northernmost Major City by Country | 0 | - | 4.56 | 32,997 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,209 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,892 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,692 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,238 |
| British Cities with the Most Tourists | 0 | - | 4.82 | 69,107 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.97 | 144,717 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,143 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,622 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,320 |
| Name a Valid European Capital | 0 | - | 4.95 | 150,719 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 80,619 |
| Landlocked Countries | 0 | - | 4.99 | 413,041 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 119,310 |
| Name a Valid African Country | 0 | - | 4.98 | 152,838 |
| Tanzania Country Quiz | 0 | - | 4.91 | 32,796 |
| Morocco Country Quiz | 0 | - | 4.81 | 45,997 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,460 |
| D.R. Congo Country Quiz | 0 | - | 4.87 | 39,021 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,118 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 94,927 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,086 |
| Population Trivia | 0 | - | 4.32 | 27,413 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,158 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,382 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,166 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,629 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,658 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,353 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,469 |
| World Capitals Quiz | 0 | - | 5.00 | 5,027,006 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 129,341 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,160 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 82,964 |
| Random European Capital to Country | 0 | - | 4.98 | 189,086 |
| Random European Country to Capital | 0 | - | 4.92 | 147,361 |
| Random Asian Country to Capital | 0 | - | 4.92 | 95,300 |
| Random Asian Capital to Country | 0 | - | 4.97 | 101,338 |
| Random African Capital to Country | 0 | - | 4.97 | 99,682 |
| Random African Country to Capital | 0 | - | 4.94 | 70,163 |
| Melbourne Suburbs | 0 | - | 4.84 | 51,658 |
| Sahara Desert Countries | 0 | - | 4.98 | 160,332 |
| Himalayan Countries | 0 | - | 4.95 | 135,121 |
| Andean Countries | 0 | - | 4.94 | 82,704 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 62,120 |
| Countries in the Southern Hemisphere | 0 | - | 4.99 | 123,041 |
| Coffee Producing Countries | 0 | - | 4.81 | 65,798 |
