| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,603 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,484 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 83,846 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 66,731 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,468 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,840 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,282 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,684 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,071 |
| Countries with Megacities | 0 | - | 4.99 | 248,546 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,954 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,443 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,330 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,387 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,438,840 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,576 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,219 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,728 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,232 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,988 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,024 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,572 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,001 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,296 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,752 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,276 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,670 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,844 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,561 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,555 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,848 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,873 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,148 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,438 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,482 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,171 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,434 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,584 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,482 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,344 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,262 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,975 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,713 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,109 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,343 |
| Most Populous Countries in 1800 | 0 | - | 4.32 | 41,890 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,676 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,982 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,817 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,125 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,335 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 76,053 |
| Biggest Cities in the World | 0 | - | 4.91 | 793,242 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,273 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,106 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,408 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,904 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,356 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,064 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,250 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 223,005 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,315 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 131,410 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,926 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,853 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 415,034 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,997 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,361 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,435 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,965 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 67,007 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,142 |
| Biggest Cities in the United States | 0 | - | 4.93 | 970,737 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,602 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,719 |
| Olympic Host Countries | 0 | - | 4.98 | 199,364 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,164 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,153 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 305,425 |
| The Only European Country ... | 0 | - | 4.91 | 214,856 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,870 |
| European Countries NOT in NATO | 0 | - | 4.87 | 60,144 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,417 |
| Countries of Africa | 0 | - | 5.00 | 2,517,859 |
| Biggest Cities in History | 0 | - | 4.52 | 89,315 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,199 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,284 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,754 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,730 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,087 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 88,736 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 69,449 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,798 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,903 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,716 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,149 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,302 |
| Biggest Cities by Language | 0 | - | 4.96 | 244,952 |
| Largest City by Island | 0 | - | 4.87 | 71,333 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,868 |
| Megacities on a World Map | 0 | - | 4.98 | 252,052 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 574,981 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,990 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,278 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,401 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,592 |
| Former Capitals | 0 | - | 4.88 | 71,243 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,322,622 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,145 |
| Countries of the Middle East | 0 | - | 4.96 | 199,666 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,625 |
| Slavic Countries | 0 | - | 4.96 | 111,152 |
| African Island Countries | 0 | - | 4.96 | 101,071 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,636 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 82,135 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 45,509 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,016,040 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,169 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,875 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,605 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,109 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,084 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,041 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,125 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,342 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,449 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,623 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,826 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,598 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,664 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,520 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,761 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,539 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,828 |
| Most Populous Islands | 0 | - | 4.79 | 122,149 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,228 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,442 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,372 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,012 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,688 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 343,193 |
| Megacities on an Empty Map | 0 | - | 4.97 | 116,704 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,517 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,677 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,412 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,451 |
| Biggest British Empire Countries | 0 | - | 4.73 | 99,339 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,013 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,696 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,660 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,676 |
| Monarchies of Europe | 0 | - | 4.90 | 97,611 |
| Monarchies of Asia | 0 | - | 4.97 | 70,772 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 56,935 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,577 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,467 |
| Countries that Start with A | 0 | - | 4.98 | 2,152,207 |
| Countries that Start with B | 0 | - | 4.95 | 2,284,611 |
| Countries that Start with C | 0 | - | 4.96 | 1,814,133 |
| Countries that Start with D | 0 | - | 4.96 | 704,173 |
| Countries that Start with E | 0 | - | 4.95 | 1,370,643 |
| Countries that Start with G | 0 | - | 4.97 | 1,496,170 |
| Countries that Start with H | 0 | - | 4.96 | 600,133 |
| Countries that Start with I | 0 | - | 4.92 | 1,282,846 |
| Countries that Start with J | 0 | - | 4.98 | 598,155 |
| Countries that Start with K | 0 | - | 4.97 | 811,390 |
| Countries that Start with L | 0 | - | 4.98 | 1,085,362 |
| Countries that Start with N | 0 | - | 4.93 | 1,112,290 |
| Countries that Start with P | 0 | - | 4.94 | 1,210,935 |
| Countries that Start with S | 0 | - | 4.98 | 1,747,909 |
| Countries that Start with T | 0 | - | 4.90 | 1,006,045 |
| Countries that Start with U | 0 | - | 4.97 | 901,429 |
| Countries that Start with V | 0 | - | 4.98 | 606,407 |
| Countries that Start with F | 0 | - | 4.83 | 613,972 |
| Countries that Start with M | 0 | - | 4.97 | 1,376,038 |
| The Only African Country ... | 0 | - | 4.98 | 128,634 |
| The Only American Country ... | 0 | - | 4.92 | 121,093 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,889 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,408 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,270 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,798 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,403 |
| European Countries with One Border | 0 | - | 4.97 | 182,011 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,889 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,644 |
| Boundary Waters | 0 | - | 4.92 | 88,169 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,924 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,564 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,690 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 60,052 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 68,665 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,249 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,086 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,030 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,265 |
| UK Immigration by Country | 0 | - | 4.94 | 140,017 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 103,999 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,139 |
| Central American Countries | 0 | - | 4.98 | 155,425 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,942 |
