| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,113 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,089 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,487 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,160 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,444 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,088 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,594 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,025 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,400 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,030 |
| Countries with Megacities | 0 | - | 4.99 | 260,128 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,904 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,998 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,178 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,008 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,317 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,757 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,558 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,437 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,687 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,275 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,374 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,934 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,206 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,506 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,233 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,721 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 112,982 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,173 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,828 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,793 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,260 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,758 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 68,827 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,793 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 169,918 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,679 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,908 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,469 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 183,533 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,047 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,655 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,353 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,053 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,319 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,909 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 42,043 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,770 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,141 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 85,983 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,329 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,754 |
| Countries by Sports League Revenue | 0 | - | 4.94 | 76,983 |
| Biggest Cities in the World | 0 | - | 4.91 | 796,785 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,425 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,523 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,569 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,157 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,738 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,493 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,945 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,193 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,918 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,892 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,408 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,219 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,532 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,489 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,682 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,786 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 60,635 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,385 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,878 |
| Biggest Cities in the United States | 0 | - | 4.94 | 975,775 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,564 |
| Countries That Use the Euro | 0 | - | 4.95 | 104,583 |
| Olympic Host Countries | 0 | - | 4.98 | 200,403 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,636 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 114,869 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 308,126 |
| The Only European Country ... | 0 | - | 4.91 | 216,044 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 211,803 |
| European Countries NOT in NATO | 0 | - | 4.90 | 60,797 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,587 |
| Countries of Africa | 0 | - | 5.00 | 2,530,743 |
| Biggest Cities in History | 0 | - | 4.52 | 90,015 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 76,231 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,397 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,204 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 57,915 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,509 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 89,085 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 69,710 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,177 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 95,111 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,802 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,221 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,051 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,023 |
| Largest City by Island | 0 | - | 4.87 | 71,689 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,682 |
| Megacities on a World Map | 0 | - | 4.98 | 253,435 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 577,082 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,216 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,718 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,245 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,095 |
| Former Capitals | 0 | - | 4.88 | 71,382 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,326,525 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,212 |
| Countries of the Middle East | 0 | - | 4.96 | 200,783 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,031 |
| Slavic Countries | 0 | - | 4.96 | 111,508 |
| African Island Countries | 0 | - | 4.96 | 101,450 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,798 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 82,483 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 46,557 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,020,781 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,680 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,299 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,209 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 143,893 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,694 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,449 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,553 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,518 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,101 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 150,996 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,408 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,029 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 98,989 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,830 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,103 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,762 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,271 |
| Most Populous Islands | 0 | - | 4.80 | 122,798 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,279 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,508 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,701 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,658 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,899 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,816 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,119 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,816 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.90 | 12,558 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,303 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,540 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,746 |
| Biggest British Empire Countries | 0 | - | 4.74 | 99,785 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,115 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,076 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 120,952 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 104,947 |
| Monarchies of Europe | 0 | - | 4.90 | 97,975 |
| Monarchies of Asia | 0 | - | 4.97 | 70,990 |
| Countries with the Most Downhill Skiing | 0 | - | 4.91 | 57,274 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,782 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,342 |
| Countries that Start with A | 0 | - | 4.98 | 2,159,090 |
| Countries that Start with B | 0 | - | 4.95 | 2,291,072 |
| Countries that Start with C | 0 | - | 4.96 | 1,819,353 |
| Countries that Start with D | 0 | - | 4.96 | 707,726 |
| Countries that Start with E | 0 | - | 4.95 | 1,374,949 |
| Countries that Start with G | 0 | - | 4.97 | 1,500,610 |
| Countries that Start with H | 0 | - | 4.96 | 603,171 |
| Countries that Start with I | 0 | - | 4.92 | 1,286,254 |
| Countries that Start with J | 0 | - | 4.98 | 601,009 |
| Countries that Start with K | 0 | - | 4.97 | 814,235 |
| Countries that Start with L | 0 | - | 4.98 | 1,088,986 |
| Countries that Start with N | 0 | - | 4.93 | 1,115,938 |
| Countries that Start with P | 0 | - | 4.94 | 1,214,442 |
| Countries that Start with S | 0 | - | 4.98 | 1,752,517 |
| Countries that Start with T | 0 | - | 4.90 | 1,008,548 |
| Countries that Start with U | 0 | - | 4.97 | 903,418 |
| Countries that Start with V | 0 | - | 4.98 | 608,468 |
| Countries that Start with F | 0 | - | 4.83 | 616,361 |
| Countries that Start with M | 0 | - | 4.97 | 1,379,730 |
| The Only African Country ... | 0 | - | 4.98 | 128,961 |
| The Only American Country ... | 0 | - | 4.92 | 121,415 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,067 |
| African Diaspora - Top 10 Countries | 0 | - | 4.92 | 72,665 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,687 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,278 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 105,799 |
| European Countries with One Border | 0 | - | 4.97 | 182,536 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,345 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,010 |
| Boundary Waters | 0 | - | 4.92 | 88,379 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,085 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 95,915 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.94 | 62,179 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,342 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,797 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,404 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,919 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,532 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,996 |
| UK Immigration by Country | 0 | - | 4.94 | 140,699 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,180 |
| Countries of the Soviet Union | 0 | - | 4.98 | 194,439 |
