| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,100 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,078 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,438 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,154 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,435 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,079 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,583 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,906 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,390 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,004 |
| Countries with Megacities | 0 | - | 4.99 | 259,387 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,864 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,982 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,154 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,982 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,163 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,703 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,551 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,415 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,675 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,261 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,369 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,925 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,169 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,498 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,209 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,702 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,969 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,155 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,823 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,783 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,245 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,732 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,812 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,780 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,902 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,659 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,893 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,441 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,515 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,023 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,635 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,346 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,040 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,308 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,899 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 42,042 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,768 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,133 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,978 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,318 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,731 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,939 |
| Biggest Cities in the World | 0 | - | 4.91 | 796,644 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,418 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,512 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,564 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,149 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,724 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,466 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,911 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,129 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,890 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,820 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,375 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,209 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,493 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,462 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,673 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,771 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 59,076 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,371 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,845 |
| Biggest Cities in the United States | 0 | - | 4.94 | 975,547 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,534 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,559 |
| Olympic Host Countries | 0 | - | 4.98 | 200,371 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,620 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,846 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 308,029 |
| The Only European Country ... | 0 | - | 4.91 | 216,014 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,758 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,783 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,582 |
| Countries of Africa | 0 | - | 5.00 | 2,530,346 |
| Biggest Cities in History | 0 | - | 4.52 | 90,004 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 76,024 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,393 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,191 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,908 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,490 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 89,067 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 69,700 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,168 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 95,105 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,802 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,214 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,026 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,000 |
| Largest City by Island | 0 | - | 4.87 | 71,668 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,670 |
| Megacities on a World Map | 0 | - | 4.98 | 253,362 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 577,010 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,207 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,704 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,222 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,075 |
| Former Capitals | 0 | - | 4.88 | 71,380 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,363 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,191 |
| Countries of the Middle East | 0 | - | 4.96 | 200,752 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,006 |
| Slavic Countries | 0 | - | 4.96 | 111,499 |
| African Island Countries | 0 | - | 4.96 | 101,436 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,791 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 82,471 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 46,478 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,646 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,665 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,282 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,183 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,869 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,662 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,436 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,536 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,511 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,085 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,983 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,391 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,011 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,977 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,819 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,086 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,756 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,255 |
| Most Populous Islands | 0 | - | 4.80 | 122,787 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,275 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,505 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,675 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,643 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,893 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,759 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,103 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,806 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.90 | 12,401 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,291 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,537 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,736 |
| Biggest British Empire Countries | 0 | - | 4.74 | 99,770 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,114 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,061 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,945 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,939 |
| Monarchies of Europe | 0 | - | 4.90 | 97,968 |
| Monarchies of Asia | 0 | - | 4.97 | 70,987 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 57,266 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,779 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,318 |
| Countries that Start with A | 0 | - | 4.98 | 2,158,895 |
| Countries that Start with B | 0 | - | 4.95 | 2,290,901 |
| Countries that Start with C | 0 | - | 4.96 | 1,819,204 |
| Countries that Start with D | 0 | - | 4.96 | 707,627 |
| Countries that Start with E | 0 | - | 4.95 | 1,374,844 |
| Countries that Start with G | 0 | - | 4.97 | 1,500,500 |
| Countries that Start with H | 0 | - | 4.96 | 603,076 |
| Countries that Start with I | 0 | - | 4.92 | 1,286,172 |
| Countries that Start with J | 0 | - | 4.98 | 600,935 |
| Countries that Start with K | 0 | - | 4.97 | 814,090 |
| Countries that Start with L | 0 | - | 4.98 | 1,088,899 |
| Countries that Start with N | 0 | - | 4.93 | 1,115,831 |
| Countries that Start with P | 0 | - | 4.94 | 1,214,346 |
| Countries that Start with S | 0 | - | 4.98 | 1,752,402 |
| Countries that Start with T | 0 | - | 4.90 | 1,008,478 |
| Countries that Start with U | 0 | - | 4.97 | 903,370 |
| Countries that Start with V | 0 | - | 4.98 | 608,414 |
| Countries that Start with F | 0 | - | 4.83 | 616,298 |
| Countries that Start with M | 0 | - | 4.97 | 1,379,626 |
| The Only African Country ... | 0 | - | 4.98 | 128,940 |
| The Only American Country ... | 0 | - | 4.92 | 121,409 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,061 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,649 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,672 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,261 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,786 |
| European Countries with One Border | 0 | - | 4.97 | 182,526 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,326 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,003 |
| Boundary Waters | 0 | - | 4.92 | 88,375 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,079 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,907 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 62,158 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,333 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,792 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,398 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,895 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,513 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,975 |
| UK Immigration by Country | 0 | - | 4.94 | 140,680 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,174 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,434 |
