| Biggest Cities in the World | 0 | - | 4.91 | 799,328 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 417,868 |
| Biggest Cities in the United States | 0 | - | 4.94 | 978,933 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,283 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,020 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,662 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 225,250 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,440 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 134,083 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,896 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,573 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,002 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 59,849 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,102 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,592 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,693 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,540 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 578,476 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,673 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,540 |
| Largest City by Island | 0 | - | 4.87 | 71,916 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,034 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,018 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,574 |
| Megacities on a World Map | 0 | - | 4.98 | 254,731 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,380 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,985 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,786 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,445 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,305 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,082 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,120 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,952 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,465 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,043 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,928 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,552 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,460 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,874 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,419 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,369 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,354 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,498 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 81,933 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,856 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,065 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,297 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,792 |
| Biggest Cities in Europe | 0 | - | 4.73 | 546,575 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,610 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,095 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,001 |
| Biggest City by Region | 0 | - | 4.50 | 36,238 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,154 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,176 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,195 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,197 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,358 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,287 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,779 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,423 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,605 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,105 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,118 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,215 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,835 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,575 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,613 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 156,071 |
| Biggest Cities in History | 0 | - | 4.52 | 90,197 |
| Top 10 World Cities Through History | 0 | - | 4.42 | 77,626 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,425 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,034 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,481 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 36,410 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,589 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,395 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,686 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,466 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,038 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,443 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,157 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,219 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,228 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,554 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,059 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,070 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,827 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,555 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,510 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,310 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,637 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 66,328 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,273 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,825 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,344 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,446,240 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,459 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,578 |
| Countries with Megacities | 0 | - | 4.99 | 263,697 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,416 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,303 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,690 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,344 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,759 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,643 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,959 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,421 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,113 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,176 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,934 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,810 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,349 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,149 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,634 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,300 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,189 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,683 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,679 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,477 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,994 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 89,108 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,989 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,846 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,410 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,932 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,922 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,752 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,892 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,954 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,429 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,578 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,107 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 63,817 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,535 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 73,116 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,845 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,565 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 44,059 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,105 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,201 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,338 |
| Biggest Cities in Japan | 0 | - | 4.69 | 83,128 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,446 |
| Biggest Cities in France | 0 | - | 4.70 | 224,076 |
| Biggest Cities in Spain | 0 | - | 4.63 | 171,225 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,018 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,926 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,290 |
| Biggest Cities in China | 0 | - | 4.53 | 158,709 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,902 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,231 |
| Biggest Cities in India | 0 | - | 4.64 | 67,774 |
| Biggest Cities in Italy | 0 | - | 4.77 | 241,168 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,919 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,677 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,630 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,502 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 107,936 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,196 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,348 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 92,919 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 21,472 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,156 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,380 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,542 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,596 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,722 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,516 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,478 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,699 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,044 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 135,330 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,215 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 92,775 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,273 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,565 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,283 |
| Countries with the Most Christians | 0 | - | 4.92 | 143,302 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,286 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,012 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 170,167 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,207 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,298 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 190,917 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 70,870 |
| Demographics Multiple Choice | 0 | - | 4.70 | 42,263 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,595 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,338 |
| Biggest Axis-Controlled Cities | 0 | - | 4.44 | 48,887 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,220 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,266 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,851 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,600 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 53,156 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,351 |
| Cities of Ireland | 0 | - | 4.51 | 50,674 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,190 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,226 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,086 |
