| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,270 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,194 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,740 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,249 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,538 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,240 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 173,737 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,221 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,615 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,445 |
| Countries with Megacities | 0 | - | 4.99 | 263,337 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,285 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,235 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,580 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,275 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,445,598 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,314 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,715 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,789 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,899 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,390 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,534 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,077 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,769 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,604 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,440 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,883 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,150 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,313 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,885 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,978 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,500 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 222,984 |
| Countries of Europe in 1650 with a Map | 0 | - | 4.95 | 69,202 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 164,957 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,119 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,945 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,173 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 232,873 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.97 | 183,839 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 193,318 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 103,823 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 108,426 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 159,264 |
| Least Dense Countries Bordering Each Other | 0 | - | 4.85 | 23,412 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,224 |
| Most Populous Countries in 1800 | 0 | - | 4.33 | 42,100 |
| Countries by Population Decrease | 0 | - | 4.46 | 49,815 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.63 | 64,218 |
| Most Populous Countries in 1950 | 0 | - | 4.63 | 86,061 |
| Biggest Countries by Population - Shape Quiz | 0 | - | 4.91 | 57,429 |
| Biggest Spanish Empire Countries | 0 | - | 4.91 | 115,985 |
| Countries by Sports League Revenue | 0 | - | 4.95 | 77,328 |
| Biggest Cities in the World | 0 | - | 4.91 | 798,749 |
| Countries Losing the Most Population by 2070 | 0 | - | 4.40 | 84,506 |
| Top 15 Most Populous Countries Ending in "IA" | 0 | - | 4.77 | 115,678 |
| Countries in the Ottoman Empire | 0 | - | 4.89 | 72,662 |
| Biggest Mongol Empire Countries | 0 | - | 4.89 | 81,269 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,893 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,935 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,538 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 225,038 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,333 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 133,830 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,805 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,510 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 417,601 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,890 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 59,590 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,038 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,475 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,625 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,317 |
| Biggest Cities in the United States | 0 | - | 4.94 | 978,324 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,143 |
| Countries That Use the Euro | 0 | - | 4.95 | 105,028 |
| Olympic Host Countries | 0 | - | 4.98 | 200,726 |
| Landlocked Countries in Africa | 0 | - | 4.99 | 46,826 |
| 10 Easternmost Countries in Europe | 0 | - | 4.89 | 115,244 |
| Ten Highest Ranking FIFA Countries by Year | 0 | - | 4.95 | 309,419 |
| The Only European Country ... | 0 | - | 4.91 | 216,617 |
| Mediterranean Countries Quiz | 0 | - | 4.99 | 212,248 |
| European Countries NOT in NATO | 0 | - | 4.90 | 61,125 |
| Countries with Territorial Claims in Antarctica | 0 | - | 4.94 | 92,650 |
| Countries of Africa | 0 | - | 5.00 | 2,536,953 |
| Biggest Cities in History | 0 | - | 4.52 | 90,150 |
| Top 10 World Cities Through History | 0 | - | 4.42 | 77,421 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,461 |
| Commonwealth of Nations Countries | 0 | - | 4.94 | 237,404 |
| Countries of Asia in 1900 | 0 | - | 4.50 | 58,002 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 103,770 |
| Modern Day Countries of the Japanese Empire on a Map | 0 | - | 4.98 | 89,276 |
| Modern-Day Countries of the Persian Empire on a Map | 0 | - | 4.98 | 69,895 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 165,382 |
| Countries Bordering China Since 1914 | 0 | - | 4.93 | 95,245 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,857 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,252 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,529 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,393 |
| Largest City by Island | 0 | - | 4.87 | 71,865 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,944 |
| Megacities on a World Map | 0 | - | 4.98 | 254,502 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 578,142 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,342 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,920 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,642 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,359 |
| Former Capitals | 0 | - | 4.88 | 71,456 |
| Countries of Europe - One Minute Sprint | 0 | - | 4.94 | 1,328,687 |
| Top 10 Languages Spoken in Europe | 0 | - | 4.96 | 218,704 |
| Countries of the Middle East | 0 | - | 4.96 | 201,168 |
| Countries with Territory in the Balkans | 0 | - | 4.96 | 89,281 |
| Slavic Countries | 0 | - | 4.96 | 111,657 |
| African Island Countries | 0 | - | 4.96 | 101,633 |
| Straight Shot to Antarctica | 0 | - | 4.94 | 42,882 |
| Modern-Day Countries of the Ottoman Empire on a Map | 0 | - | 4.96 | 82,692 |
| All Countries Never To Qualify For A FIFA World Cup | 0 | - | 4.81 | 47,020 |
| Countries of North America Quiz | 0 | - | 5.00 | 1,023,214 |
| Countries of Asia with Two or More Words | 0 | - | 4.96 | 126,893 |
| Asian Countries Ending in "IA" | 0 | - | 4.96 | 107,514 |
| African Countries with the Shortest Names | 0 | - | 4.98 | 153,506 |
| Five Top Olympic Medal-Winning Countries by Continent | 0 | - | 4.96 | 144,129 |
| Top 10 Biggest African Countries by Area | 0 | - | 4.99 | 216,977 |
| 10 Biggest European Countries by Area | 0 | - | 4.99 | 192,661 |
| 10 Biggest Asian Countries by Area | 0 | - | 4.97 | 153,732 |
| 10 Biggest American Countries by Area | 0 | - | 4.95 | 112,607 |
| Top 10 Most Populous American Countries | 0 | - | 4.97 | 144,224 |
| 10 Westernmost Countries in Europe | 0 | - | 4.96 | 151,205 |
| 10 Southernmost Countries in Africa | 0 | - | 4.98 | 116,576 |
| 10 Northernmost Countries in Africa | 0 | - | 4.98 | 161,232 |
| 10 Southernmost Countries in Asia | 0 | - | 4.97 | 99,151 |
| 10 Easternmost Countries in Asia | 0 | - | 4.99 | 107,994 |
| Top 10 Smallest African Countries by Area | 0 | - | 4.96 | 33,260 |
| Biggest Roman Empire Countries | 0 | - | 4.87 | 101,877 |
| Neutral European Countries of WWII | 0 | - | 4.91 | 161,480 |
| Most Populous Islands | 0 | - | 4.80 | 122,924 |
| Islands by Largest City #1 | 0 | - | 4.47 | 94,302 |
| Islands by Largest City #2 | 0 | - | 4.74 | 35,532 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.98 | 73,936 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,973 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,069 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,620 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,404 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,967 |
| Five Most Inland Capital Cities by Continent | 0 | - | 4.91 | 13,143 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.84 | 226,586 |
| Modern Countries Conquered by Alexander the Great | 0 | - | 4.90 | 105,613 |
| Countries Formerly in Yugoslavia | 0 | - | 4.95 | 124,898 |
| Biggest British Empire Countries | 0 | - | 4.74 | 99,981 |
| Biggest French Empire Countries | 0 | - | 4.49 | 65,160 |
| Asian Countries with the Shortest Names | 0 | - | 4.97 | 135,286 |
| American Countries with the Shortest Names | 0 | - | 4.96 | 121,121 |
| Mediterranean Countries with an Empty Map | 0 | - | 4.99 | 105,078 |
| Monarchies of Europe | 0 | - | 4.90 | 98,148 |
| Monarchies of Asia | 0 | - | 4.97 | 71,086 |
| Countries with the Most Downhill Skiing | 0 | - | 4.89 | 57,372 |
| Asian Country Superlatives | 0 | - | 4.84 | 80,886 |
| "Stan" Countries - Map Quiz | 0 | - | 4.98 | 135,814 |
| Countries that Start with A | 0 | - | 4.98 | 2,162,526 |
| Countries that Start with B | 0 | - | 4.95 | 2,294,240 |
| Countries that Start with C | 0 | - | 4.96 | 1,821,982 |
| Countries that Start with D | 0 | - | 4.96 | 709,542 |
| Countries that Start with E | 0 | - | 4.95 | 1,377,105 |
| Countries that Start with G | 0 | - | 4.97 | 1,503,215 |
| Countries that Start with H | 0 | - | 4.96 | 604,711 |
| Countries that Start with I | 0 | - | 4.92 | 1,288,266 |
| Countries that Start with J | 0 | - | 4.98 | 602,391 |
| Countries that Start with K | 0 | - | 4.97 | 815,748 |
| Countries that Start with L | 0 | - | 4.98 | 1,090,687 |
| Countries that Start with N | 0 | - | 4.93 | 1,117,657 |
| Countries that Start with P | 0 | - | 4.94 | 1,216,073 |
| Countries that Start with S | 0 | - | 4.98 | 1,754,734 |
| Countries that Start with T | 0 | - | 4.90 | 1,009,797 |
| Countries that Start with U | 0 | - | 4.97 | 904,472 |
| Countries that Start with V | 0 | - | 4.98 | 609,338 |
| Countries that Start with F | 0 | - | 4.83 | 617,570 |
| Countries that Start with M | 0 | - | 4.97 | 1,381,623 |
| The Only African Country ... | 0 | - | 4.99 | 129,098 |
| The Only American Country ... | 0 | - | 4.92 | 121,603 |
| African Countries by a Single Clue | 0 | - | 4.92 | 68,124 |
| African Diaspora - Top 10 Countries | 0 | - | 4.93 | 72,778 |
| European Diaspora - Top 11 Countries | 0 | - | 4.90 | 95,854 |
| 10 European Countries with the Most Tourists | 0 | - | 4.98 | 137,521 |
| 10 Asian Countries with the Most Tourists | 0 | - | 4.89 | 106,000 |
| European Countries with One Border | 0 | - | 4.97 | 182,775 |
| European Countries with the Fewest Borders | 0 | - | 4.97 | 179,575 |
| Countries Closest to Africa | 0 | - | 4.96 | 157,201 |
| Boundary Waters | 0 | - | 4.92 | 88,462 |
| Countries Along the Afro-Eurasia Coast | 0 | - | 4.85 | 35,161 |
| The Same Suffixes - Geography | 0 | - | 4.98 | 96,083 |
| 100 Geography Questions of Varying Difficulty | 0 | - | 4.93 | 62,437 |
| "Second Best" Geography Edition #2 | 0 | - | 4.88 | 60,459 |
| "Second Best" Geography Edition #3 | 0 | - | 4.89 | 70,405 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,905 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,526 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,339 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,788 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,329 |
| UK Immigration by Country | 0 | - | 4.94 | 140,894 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 104,256 |
