| Top 10 Most Populous African Countries | 0 | - | 4.99 | 195,009 |
| Africa Capitals Quiz | 0 | - | 4.99 | 744,153 |
| Countries of Europe by Population | 0 | - | 4.98 | 183,246 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.96 | 111,536 |
| African Capitals by Map | 0 | - | 4.99 | 142,306 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,038 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 234,647 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 185,217 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 104,954 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,904 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,056 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,725 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,454,635 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,626 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,259 |
| Countries with Megacities | 0 | - | 4.99 | 267,323 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,940 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,190 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,257 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,306 |
| Biggest Cities in the World | 0 | - | 4.91 | 805,978 |
| Nigeria Country Quiz | 0 | - | 4.75 | 47,279 |
| Africa Map Quiz | 0 | - | 5.00 | 2,129,207 |
| Liberia Country Quiz | 0 | - | 4.85 | 22,015 |
| Mali Country Quiz | 0 | - | 4.83 | 24,946 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,486 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,360 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,301 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,709 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,929 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 94,255 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 192,685 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 178,238 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,650 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,979 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,020 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 32,840 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,525 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,515 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,155 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,825 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,281 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 420,786 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,002 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,648 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,754 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,239 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,435 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,490 |
| Biggest Cities in the United States | 0 | - | 4.94 | 987,537 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,164 |
| Name a City - European Countries | 0 | - | 4.89 | 66,224 |
| Asia Capitals Quiz | 0 | - | 4.98 | 699,114 |
| Random African Capitals on a Map | 0 | - | 4.96 | 55,279 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 48,036 |
| Countries of Africa | 0 | - | 5.00 | 2,561,216 |
| Western Africa Map Quiz | 0 | - | 4.98 | 74,663 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 94,422 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,465 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 71,035 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,391 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,930 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,408 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,721 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,786 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,920 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,212 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,648 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,717 |
| Largest City by Island | 0 | - | 4.87 | 72,483 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,443 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,728 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,173 |
| Megacities on a World Map | 0 | - | 4.98 | 257,082 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 582,194 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,788 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,722 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,525 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,723 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,866 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,924 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,557 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,218 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,530 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,876 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,789 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 76,126 |
| Europe Capital to Country | 0 | - | 4.99 | 252,211 |
| Asia Capital to Country | 0 | - | 4.96 | 127,594 |
| EU Capitals with No Hints | 0 | - | 4.96 | 147,051 |
| European Capitals by Map | 0 | - | 4.99 | 142,218 |
| Asian Capitals by Map | 0 | - | 4.98 | 63,968 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 92,933 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 85,226 |
| European Coastal Capitals | 0 | - | 4.95 | 91,351 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 53,213 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 272,826 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 225,864 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 82,189 |
| African Island Countries | 0 | - | 4.96 | 102,578 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,702 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,978 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,733 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,815 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,900 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,466 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.95 | 43,455 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 99,527 |
| Flags of Africa Quiz | 0 | - | 5.00 | 477,990 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 160,009 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,587 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,026 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,213 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,448 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 348,898 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,254 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,535 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,276 |
| Official Cities in the UK | 0 | - | 4.89 | 286,417 |
| South America Capitals Quiz | 0 | - | 5.00 | 485,125 |
| North America Capitals Quiz | 0 | - | 4.99 | 222,297 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 63,269 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 94,617 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 120,171 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 88,418 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,602 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,986 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,737 |
| The Only African Country ... | 0 | - | 4.99 | 129,707 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,401 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,436 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,883 |
| Pixelated Africa Map | 0 | - | 4.98 | 100,482 |
| Most Populous Islands | 0 | - | 4.80 | 123,362 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,386 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,656 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,988 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,954 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,506 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.86 | 23,825 |
| 10 Easternmost Countries in Africa | 0 | - | 4.98 | 25,149 |
| Capitals of the Stans | 0 | - | 4.95 | 27,166 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,808 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,326 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,992 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,853 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,774 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,544 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,980 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 151,382 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 95,075 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 83,121 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,708 |
| Name a Valid European Capital | 0 | - | 4.95 | 153,675 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,587 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 121,375 |
| Name a Valid African Country | 0 | - | 4.98 | 155,081 |
| Tanzania Country Quiz | 0 | - | 4.90 | 33,265 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,847 |
| Kenya Country Quiz | 0 | - | 4.86 | 35,021 |
| D.R. Congo Country Quiz | 0 | - | 4.88 | 39,599 |
| Boundary Waters | 0 | - | 4.92 | 88,784 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.88 | 35,424 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,734 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,387 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,994 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,161 |
| Fastest Growing U.S. States Since 1960 | 0 | - | 4.48 | 76,343 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,136 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,661 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,167 |
| Biggest City by Region | 0 | - | 4.50 | 36,398 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,348 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,114 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,078 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,368 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,314 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,447 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,574 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,729 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,487 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,266 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,950 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,580 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,699,250 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 131,468 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,829 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 84,100 |
| Random European Capital to Country | 0 | - | 4.98 | 192,186 |
| Random European Country to Capital | 0 | - | 4.93 | 165,957 |
| Random Asian Country to Capital | 0 | - | 4.92 | 97,007 |
| Random Asian Capital to Country | 0 | - | 4.97 | 103,472 |
| Random African Capital to Country | 0 | - | 4.97 | 101,378 |
| Random African Country to Capital | 0 | - | 4.95 | 71,774 |
| Melbourne Suburbs | 0 | - | 4.86 | 54,375 |
| Which City in Africa? | 0 | - | 4.78 | 58,008 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,904,936 |
| Landlocked Countries | 0 | - | 4.99 | 426,243 |
| Top 10 Richest Countries in Africa | 0 | - | 4.85 | 77,055 |
| Countries Bordering Tanzania | 0 | - | 4.96 | 70,711 |
