| Biggest Cities in the World | 0 | - | 4.91 | 800,833 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 418,693 |
| Biggest Cities in the United States | 0 | - | 4.94 | 980,915 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,731 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,263 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,005 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 225,839 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,706 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 134,767 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,112 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,751 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,239 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,152 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,268 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,812 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,883 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,070 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 579,341 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,042 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,949 |
| Largest City by Island | 0 | - | 4.87 | 72,055 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,151 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,187 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,751 |
| Megacities on a World Map | 0 | - | 4.98 | 255,301 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,497 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,174 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,186 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 168,687 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,521 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,337 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,206 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 346,686 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,697 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,169 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,361 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 68,998 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,627 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,786 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,072 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,676 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,533 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,533 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,715 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 83,006 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,030 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,436 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,477 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,459 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,888 |
| Biggest Cities in Europe | 0 | - | 4.73 | 547,172 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,736 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,564 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,044 |
| Biggest City by Region | 0 | - | 4.50 | 36,280 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,192 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,292 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,514 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,225 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,378 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,356 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,959 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,455 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,971 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,635 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,514 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,217 |
| Biggest Cities in Sweden | 0 | - | 4.84 | 41,270 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,146 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,642 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,762 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 164,686 |
| Biggest Cities in History | 0 | - | 4.52 | 90,289 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,077 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,481 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,054 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,532 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 36,474 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,509 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,770 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,560 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,162 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,581 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,268 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,414 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,424 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,572 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,082 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,093 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,846 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,573 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,574 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,356 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,716 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 66,866 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,353 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,333 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,407 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 191,095 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,870 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,463 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,448,168 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,973 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,893 |
| Countries with Megacities | 0 | - | 4.99 | 264,565 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,740 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,468 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 137,999 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,541 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,816 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,804 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 75,700 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,998 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,510 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,225 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,260 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,945 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,948 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,417 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,199 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,755 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,424 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,374 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 58,988 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,720 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,770 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,511 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,025 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 90,454 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,050 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,888 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,444 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,011 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,053 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,930 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,186 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,147 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,554 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,729 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,218 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,107 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,628 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,184 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,909 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,618 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 44,261 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 37,191 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,249 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,427 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,217 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,514 |
| Biggest Cities in France | 0 | - | 4.70 | 224,383 |
| Biggest Cities in Spain | 0 | - | 4.63 | 171,415 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,080 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,009 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,424 |
| Biggest Cities in China | 0 | - | 4.53 | 159,023 |
| Biggest Cities in Canada | 0 | - | 4.54 | 133,050 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,299 |
| Biggest Cities in India | 0 | - | 4.64 | 67,837 |
| Biggest Cities in Italy | 0 | - | 4.77 | 241,446 |
| Countries of Europe by Population | 0 | - | 4.98 | 181,413 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,865 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,698 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,721 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,145 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,328 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,481 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,981 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 21,489 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,249 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,480 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,613 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,666 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,778 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,557 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,526 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,744 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,217 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,501 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,299 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,904 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,334 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,639 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,402 |
| Countries with the Most Christians | 0 | - | 4.92 | 143,576 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,492 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,183 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,345 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,908 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,300 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,621 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,385 |
| Biggest Axis-Controlled Cities | 0 | - | 4.44 | 48,930 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,289 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,346 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,868 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,630 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,209 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,408 |
