| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,713 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,405 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,080 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,426 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,739 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,594 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 174,090 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 333,345 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,143 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,465 |
| Countries with Megacities | 0 | - | 4.99 | 265,921 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,261 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,762 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,519 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,870 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,451,417 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,774 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,129 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,632 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,447 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,737 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 93,993 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,411 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,322 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,818 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 131,047 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,437 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,558 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,699 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,094 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,314 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,983 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,552 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 70,047 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,443 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,665 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,726 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,743 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 233,957 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 184,707 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 194,339 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 104,670 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,738 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.98 | 159,802 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,685 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,818 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 42,195 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,932 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,405 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,228 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,703 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 116,565 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 78,109 |
| Biggest Cities in the World | 0 | - | 4.92 | 803,550 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,676 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 116,008 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,951 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,568 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,274 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,691 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,593 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,763 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,189 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 148,971 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,542 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,068 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,791 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,715 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,460 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,527 |
| Ten Southernmost Megacities | 0 | - | 4.88 | 65,049 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,178 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,809 |
| Biggest Cities in the United States | 0 | - | 4.94 | 984,395 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,470 |
| Countries That Use the Euro | 0 | - | 4.95 | 106,229 |
| Olympic Host Countries | 0 | - | 4.98 | 201,570 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 47,595 |
| 10 Easternmost Countries in Europe | 0 | - | 4.87 | 116,693 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 312,371 |
| The Only European Country ... | 0 | - | 4.91 | 218,289 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 213,386 |
| European Countries NOT in NATO | 0 | - | 4.90 | 62,112 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,827 |
| Countries of Africa | 0 | - | 5.00 | 2,552,366 |
| Biggest Cities in History | 0 | - | 4.52 | 90,452 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,715 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,624 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 238,013 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,186 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 104,419 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 89,769 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 70,365 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 166,227 |
| Countries Bordering China Since 1914 | 0 | - | 4.92 | 95,732 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,967 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,348 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,367 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,390 |
| Largest City by Island | 0 | - | 4.87 | 72,266 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,491 |
| Megacities on a World Map | 0 | - | 4.98 | 256,184 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 580,802 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,654 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,458 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,758 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,406 |
| Former Capitals | 0 | - | 4.88 | 71,605 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,333,457 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 220,171 |
| Countries of the Middle East | 0 | - | 4.96 | 202,228 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,911 |
| Slavic Countries | 0 | - | 4.96 | 112,161 |
| African Island Countries | 0 | - | 4.96 | 102,219 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 43,075 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 83,228 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.84 | 52,526 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,028,728 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 127,556 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 108,093 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 154,287 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,937 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 218,029 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 193,265 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 154,334 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,855 |
| Top 10 Most Populous American Countries | 0 | - | 4.96 | 144,626 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,815 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 117,285 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 162,060 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,700 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 108,973 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,950 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 102,179 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 162,054 |
| Most Populous Islands | 0 | - | 4.80 | 123,188 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,352 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,608 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 74,385 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,879 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,328 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,805 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,001 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,385 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.92 | 13,518 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.83 | 227,302 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,772 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 125,311 |
| Biggest British Empire Countries | 0 | - | 4.74 | 100,347 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,300 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,862 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,493 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,363 |
| 10 Easternmost Countries in Africa | 0 | - | 4.97 | 24,554 |
| Monarchies of Europe | 0 | - | 4.90 | 98,616 |
| Monarchies of Asia | 0 | - | 4.97 | 71,374 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,617 |
| Asian Country Superlatives | 0 | - | 4.84 | 81,171 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 136,993 |
| Countries that Start with A | 0 | - | 4.98 | 2,171,536 |
| Countries that Start with B | 0 | - | 4.95 | 2,302,611 |
| Countries that Start with C | 0 | - | 4.96 | 1,828,479 |
| Countries that Start with D | 0 | - | 4.96 | 714,279 |
| Countries that Start with E | 0 | - | 4.95 | 1,382,560 |
| Countries that Start with G | 0 | - | 4.97 | 1,508,873 |
| Countries that Start with H | 0 | - | 4.96 | 608,033 |
| Countries that Start with I | 0 | - | 4.92 | 1,292,601 |
| Countries that Start with J | 0 | - | 4.98 | 605,522 |
| Countries that Start with K | 0 | - | 4.97 | 819,201 |
| Countries that Start with L | 0 | - | 4.98 | 1,094,856 |
| Countries that Start with N | 0 | - | 4.93 | 1,121,894 |
| Countries that Start with P | 0 | - | 4.94 | 1,220,179 |
| Countries that Start with S | 0 | - | 4.98 | 1,760,559 |
| Countries that Start with T | 0 | - | 4.90 | 1,013,403 |
| Countries that Start with U | 0 | - | 4.97 | 907,314 |
| Countries that Start with V | 0 | - | 4.98 | 611,149 |
| Countries that Start with F | 0 | - | 4.83 | 620,126 |
| Countries that Start with M | 0 | - | 4.97 | 1,386,197 |
| The Only African Country ... | 0 | - | 4.99 | 129,492 |
| The Only American Country ... | 0 | - | 4.92 | 122,041 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,310 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 73,182 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 96,305 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 138,218 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,584 |
| European Countries with One Border | 0 | - | 4.97 | 183,482 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 180,224 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,616 |
| Boundary Waters | 0 | - | 4.92 | 88,679 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.87 | 35,342 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,497 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 63,075 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,799 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,804 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,231 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,891 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,306 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,445 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,128 |
| UK Immigration by Country | 0 | - | 4.94 | 141,448 |
