| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,194 |
| Africa Capitals Quiz | 0 | - | 4.99 | 736,891 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,829 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,535 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,049 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.95 | 110,568 |
| African Capitals by Map | 0 | - | 4.99 | 133,618 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,720 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,713 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,718 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,753 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,392 |
| All 1M+ Cities in Africa on a Map | 0 | - | 4.93 | 26,437 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,271 |
| Countries with Megacities | 0 | - | 4.99 | 262,497 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,102 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,125 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,403 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,172 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,444,579 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,060 |
| Biggest Cities in the World | 0 | - | 4.91 | 797,859 |
| Africa Map Quiz | 0 | - | 5.00 | 2,116,627 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,830 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,645 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,616 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,804 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,342 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,465 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,014 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,781 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,340 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,715 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,173 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 133,473 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,687 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,409 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,737 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 57,718 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,945 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,114 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,535 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,142 |
| Name a City - European Countries | 0 | - | 4.90 | 65,307 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,746 |
| Western Africa Map Quiz | 0 | - | 4.97 | 73,791 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 417,042 |
| Biggest Cities in the United States | 0 | - | 4.94 | 977,253 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,893 |
| Asia Capitals Quiz | 0 | - | 4.98 | 692,094 |
| Countries of Africa | 0 | - | 5.00 | 2,534,050 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,830 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,243 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,488 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 175,257 |
| Random African Capitals on a Map | 0 | - | 4.96 | 54,712 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,517 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,549 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,345 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,814 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,082 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,246 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,866 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,409 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,255 |
| Largest City by Island | 0 | - | 4.87 | 71,795 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,884 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,835 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,376 |
| Megacities on a World Map | 0 | - | 4.98 | 254,189 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 577,680 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,300 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,851 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,467 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,239 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,875 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,197 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,147 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,657 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,221 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,503 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,176 |
| Most-Visited Cities in Europe | 0 | - | 4.83 | 74,988 |
| Europe Capital to Country | 0 | - | 4.99 | 249,872 |
| Asia Capital to Country | 0 | - | 4.96 | 126,576 |
| EU Capitals with No Hints | 0 | - | 4.96 | 145,758 |
| European Capitals by Map | 0 | - | 4.99 | 138,923 |
| Asian Capitals by Map | 0 | - | 4.98 | 62,245 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.88 | 91,997 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.96 | 84,339 |
| European Coastal Capitals | 0 | - | 4.95 | 90,511 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.89 | 52,548 |
| Capitals of Oceania Quiz | 0 | - | 4.99 | 269,615 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 223,804 |
| Capitals of Mediterranean Countries | 0 | - | 4.95 | 81,798 |
| African Island Countries | 0 | - | 4.96 | 101,542 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,879 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,032 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,380 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,858 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,514 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,149 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,199 |
| Africa Cities Map Quiz | 0 | - | 4.97 | 98,944 |
| Flags of Africa Quiz | 0 | - | 5.00 | 470,468 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,865 |
| Boundary Waters | 0 | - | 4.92 | 88,430 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,126 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,012 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,339 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,413 |
| Most Populous Islands | 0 | - | 4.80 | 122,871 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,290 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,522 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,790 |
| Most Populous Islands of Europe | 0 | - | 4.56 | 25,836 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,158 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,186 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,855 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,365 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,054 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,827 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,971 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,241 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,279 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,897 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,669 |
| Official Cities in the UK | 0 | - | 4.89 | 283,427 |
| South America Capitals Quiz | 0 | - | 5.00 | 481,006 |
| North America Capitals Quiz | 0 | - | 4.99 | 219,454 |
| African Capitals - Map Quiz | 0 | - | 4.94 | 62,399 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 93,968 |
| European Capitals - Map Quiz | 0 | - | 4.97 | 119,159 |
| Middle East Capital Cities Quiz | 0 | - | 4.96 | 87,781 |
| European Capitals Furthest from the Sea | 0 | - | 4.92 | 82,139 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 61,261 |
| European Capitals Ending in N | 0 | - | 4.92 | 81,240 |
| The Only African Country ... | 0 | - | 4.99 | 129,044 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,106 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,738 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,118 |
| Pixelated Africa Map | 0 | - | 4.98 | 99,789 |
| Capitals of the Stans | 0 | - | 4.95 | 26,811 |
| Countries of the World Quiz | 0 | - | 5.00 | 47,399,989 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,610 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,379 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,497 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,070 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,954 |
| Biggest City by Region | 0 | - | 4.50 | 36,179 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,108 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,869 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,491 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,149 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,673 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,173 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,341 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,220 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,176 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,396 |
| British Cities with the Most Tourists | 0 | - | 4.83 | 70,080 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.98 | 147,384 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,689 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,705 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 89,028 |
| Name a Valid European Capital | 0 | - | 4.95 | 152,260 |
| European Capital Superlatives - Top 2 | 0 | - | 4.95 | 81,118 |
| Landlocked Countries | 0 | - | 4.99 | 419,749 |
| Top 10 Biggest Economies in Africa | 0 | - | 4.99 | 120,515 |
| Name a Valid African Country | 0 | - | 4.98 | 153,954 |
| Tanzania Country Quiz | 0 | - | 4.90 | 33,048 |
| Morocco Country Quiz | 0 | - | 4.81 | 46,459 |
| Kenya Country Quiz | 0 | - | 4.86 | 34,770 |
| D.R. Congo Country Quiz | 0 | - | 4.87 | 39,330 |
| World Geography on a Map #1 | 0 | - | 4.94 | 73,547 |
| Geography Tile Select Quiz | 0 | - | 4.98 | 95,737 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,476 |
| Population Trivia | 0 | - | 4.32 | 27,487 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,168 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,178 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,281 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,330 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,704 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,693 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,137 |
| World Capitals Quiz | 0 | - | 5.00 | 5,068,947 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,361 |
| Most Guessed European Capitals | 0 | - | 4.87 | 101,485 |
| Nordic Countries and Capitals | 0 | - | 4.95 | 83,619 |
| Random European Capital to Country | 0 | - | 4.98 | 190,777 |
| Random European Country to Capital | 0 | - | 4.93 | 164,978 |
| Random Asian Country to Capital | 0 | - | 4.92 | 96,372 |
| Random Asian Capital to Country | 0 | - | 4.97 | 102,693 |
| Random African Capital to Country | 0 | - | 4.97 | 100,653 |
| Random African Country to Capital | 0 | - | 4.94 | 71,170 |
| Melbourne Suburbs | 0 | - | 4.85 | 53,004 |
| Sahara Desert Countries | 0 | - | 4.98 | 163,337 |
| Himalayan Countries | 0 | - | 4.95 | 137,773 |
| Andean Countries | 0 | - | 4.95 | 84,103 |
| Countries with the Youngest Median Age | 0 | - | 4.97 | 63,341 |
