| First Countries to Reach 5 Million People | 0 | - | 4.92 | 134,611 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.87 | 75,487 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 66,734 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 72,980 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 96,475 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 172,850 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,358 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,696 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,103 |
| Countries with Megacities | 0 | - | 4.99 | 248,599 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,978 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,454 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,348 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,407 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,438,968 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,607 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,226 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,750 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,244 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,031 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,031 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,580 |
| Countries of Europe by Population | 0 | - | 4.98 | 179,024 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,301 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 129,766 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,283 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,676 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 89,850 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,566 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,558 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,861 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 221,885 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,166 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,448 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,491 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,192 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,449 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 231,602 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 182,496 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 192,364 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,281 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 107,980 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 158,721 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.84 | 23,111 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,352 |
| Most Populous Countries in 1800 | 0 | - | 4.32 | 41,892 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,679 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 63,986 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,820 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,127 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,346 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 76,061 |
| Biggest Cities in the World | 0 | - | 4.91 | 793,328 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,288 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,125 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,411 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 80,906 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,364 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,077 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,268 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 223,037 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,330 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 131,444 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,933 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,865 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 415,075 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,010 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,367 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,446 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,971 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 67,014 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,146 |
| Biggest Cities in the United States | 0 | - | 4.93 | 970,878 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,629 |
| Countries That Use the Euro | 0 | - | 4.95 | 103,741 |
| Olympic Host Countries | 0 | - | 4.98 | 199,386 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,172 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,166 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 305,489 |
| The Only European Country ... | 0 | - | 4.91 | 214,880 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 210,893 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,161 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,423 |
| Countries of Africa | 0 | - | 5.00 | 2,518,175 |
| Biggest Cities in History | 0 | - | 4.52 | 89,320 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,199 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,286 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 236,758 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,735 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,096 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 88,747 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 69,453 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 164,813 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 94,907 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,719 |
| Demographics Multiple Choice | 0 | - | 4.69 | 42,152 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,329 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,014 |
| Largest City by Island | 0 | - | 4.87 | 71,340 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,881 |
| Megacities on a World Map | 0 | - | 4.98 | 252,079 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 575,036 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,996 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,285 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,414 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,609 |
| Former Capitals | 0 | - | 4.88 | 71,254 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,322,734 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 217,173 |
| Countries of the Middle East | 0 | - | 4.96 | 199,683 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 88,637 |
| Slavic Countries | 0 | - | 4.96 | 111,165 |
| African Island Countries | 0 | - | 4.96 | 101,082 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,637 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 82,145 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.83 | 45,527 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,016,172 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,190 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 106,889 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 152,631 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,120 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,094 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,052 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,141 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,353 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 143,455 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,630 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 115,833 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 160,603 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,678 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,532 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 32,769 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,550 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 160,846 |
| Most Populous Islands | 0 | - | 4.79 | 122,158 |
| 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 | 73,381 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,026 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,695 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 343,247 |
| Megacities on an Empty Map | 0 | - | 4.97 | 116,822 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,521 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 225,693 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,416 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,462 |
| Biggest British Empire Countries | 0 | - | 4.73 | 99,357 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,014 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 134,706 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,669 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,686 |
| Monarchies of Europe | 0 | - | 4.90 | 97,624 |
| Monarchies of Asia | 0 | - | 4.97 | 70,783 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 56,940 |
| Asian Country Superlatives | 0 | - | 4.83 | 80,581 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 134,485 |
| Countries that Start with A | 0 | - | 4.98 | 2,152,419 |
| Countries that Start with B | 0 | - | 4.95 | 2,284,797 |
| Countries that Start with C | 0 | - | 4.96 | 1,814,265 |
| Countries that Start with D | 0 | - | 4.96 | 704,256 |
| Countries that Start with E | 0 | - | 4.95 | 1,370,754 |
| Countries that Start with G | 0 | - | 4.97 | 1,496,275 |
| Countries that Start with H | 0 | - | 4.96 | 600,212 |
| Countries that Start with I | 0 | - | 4.92 | 1,282,942 |
| Countries that Start with J | 0 | - | 4.98 | 598,235 |
| Countries that Start with K | 0 | - | 4.97 | 811,472 |
| Countries that Start with L | 0 | - | 4.98 | 1,085,457 |
| Countries that Start with N | 0 | - | 4.93 | 1,112,387 |
| Countries that Start with P | 0 | - | 4.94 | 1,211,050 |
| Countries that Start with S | 0 | - | 4.98 | 1,748,014 |
| Countries that Start with T | 0 | - | 4.90 | 1,006,111 |
| Countries that Start with U | 0 | - | 4.97 | 901,474 |
| Countries that Start with V | 0 | - | 4.98 | 606,461 |
| Countries that Start with F | 0 | - | 4.83 | 614,032 |
| Countries that Start with M | 0 | - | 4.97 | 1,376,131 |
| The Only African Country ... | 0 | - | 4.98 | 128,647 |
| The Only American Country ... | 0 | - | 4.92 | 121,101 |
| African Countries by a Single Clue | 0 | - | 4.92 | 67,891 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,414 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,285 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 136,815 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,421 |
| European Countries with One Border | 0 | - | 4.97 | 182,024 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 178,896 |
| Countries Closest to Africa | 0 | - | 4.96 | 156,654 |
| Boundary Waters | 0 | - | 4.92 | 88,180 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 34,929 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,572 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 61,703 |
| "Second Best" Geography Edition #2 | 0 | - | 4.87 | 60,056 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,668 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,252 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,101 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,039 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,273 |
| UK Immigration by Country | 0 | - | 4.94 | 140,025 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,007 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,149 |
| Central American Countries | 0 | - | 4.98 | 155,433 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,952 |
