| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 329,911 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 109,168 |
| Biggest Cities in France - Extreme | 0 | - | 4.89 | 52,523 |
| Largest Nordic Cities on a Map | 0 | - | 4.83 | 34,827 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 130,473 |
| Biggest Cities in the World | 0 | - | 4.91 | 759,346 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 112,424 |
| Biggest Cities in Asia | 0 | - | 4.94 | 105,194 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 54,307 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 47,874 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 98,675 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.94 | 47,792 |
| Biggest Cities in Germany | 0 | - | 4.95 | 282,863 |
| Biggest Cities in Europe | 0 | - | 4.74 | 524,666 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 401,945 |
| Biggest Cities in the United States | 0 | - | 4.94 | 925,230 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 354,914 |
| Biggest City by Time Zone | 0 | - | 4.87 | 62,604 |
| Biggest City in Every Country | 0 | - | 4.98 | 91,866 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 191,573 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 103,672 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 112,798 |
| Biggest Cities with Exceptions | 0 | - | 4.88 | 74,338 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.86 | 80,042 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 74,089 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 45,986 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 66,226 |
| Ten Southernmost Megacities | 0 | - | 4.82 | 49,428 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 63,169 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 121,898 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.86 | 87,816 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 39,927 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 91,378 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 555,522 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.88 | 115,728 |
| Biggest Cities by Language | 0 | - | 4.95 | 225,667 |
| Largest City by Island | 0 | - | 4.89 | 68,172 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.92 | 68,317 |
| Most Populous World Capitals | 0 | - | 4.93 | 170,634 |
| Biggest European Cities by Century | 0 | - | 4.98 | 126,041 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 154,220 |
| Megacities on a World Map | 0 | - | 4.98 | 234,817 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 42,584 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 64,762 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 70,656 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 76,172 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 36,972 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.88 | 109,915 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.85 | 58,783 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 101,865 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 162,358 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.77 | 71,903 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.57 | 39,968 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 163,163 |
| Megacities on an Empty Map | 0 | - | 4.95 | 94,178 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.58 | 41,345 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.81 | 21,906 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 67,111 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 71,524 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 45,263 |
| Biggest European Cities by Letter | 0 | - | 4.62 | 124,165 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 64,711 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,355 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 30,391 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 89,818 |
| Biggest English Cities by Century | 0 | - | 4.90 | 104,128 |
| Biggest Urban Areas in the UK | 0 | - | 4.41 | 173,247 |
| Biggest Cities in Russia | 0 | - | 4.48 | 80,527 |
| Biggest Cities in France | 0 | - | 4.70 | 215,519 |
| Biggest Cities in Spain | 0 | - | 4.69 | 165,137 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 54,275 |
| Biggest Cities in Poland | 0 | - | 4.58 | 51,973 |
| Biggest Cities in the UK | 0 | - | 4.47 | 101,029 |
| Cities of Ireland | 0 | - | 4.50 | 49,093 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 46,027 |
| Biggest Cities in Italy | 0 | - | 4.74 | 233,072 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.49 | 63,390 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 100,453 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 44,466 |
| Biggest City by Region | 0 | - | 4.50 | 35,256 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,025 |
| Northernmost Major City by Country | 0 | - | 4.56 | 32,397 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 51,689 |
| Two Largest Cities by First Two Letters | 0 | - | 4.55 | 81,523 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 48,632 |
| Biggest Nordic Cities | 0 | - | 4.38 | 60,904 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.51 | 22,671 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.95 | 37,494 |
| Biggest English-Speaking Cities | 0 | - | 4.43 | 141,287 |
| Biggest Cities in History | 0 | - | 4.52 | 86,923 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 71,080 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 82,290 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 81,355 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.55 | 42,319 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.27 | 108,722 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 42,803 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 35,894 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.42 | 39,452 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 67,162 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,117 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 36,252 |
| Biggest Cities in Portugal | 0 | - | 4.42 | 20,193 |
| Biggest Cities Starting With A | 0 | - | 4.61 | 120,209 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 113,068 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 105,266 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 118,311 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 138,362 |
| Biggest Cities Starting With P | 0 | - | 4.47 | 122,634 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 160,700 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 119,081 |
| Fastest Growing U.S. Cities | 0 | - | 4.37 | 72,184 |
| Second Biggest Cities by Country | 0 | - | 4.37 | 44,946 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,666 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,189 |
| Biggest Cities by Latitude | 0 | - | 4.77 | 27,131 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 71,598 |
| Largest Cities in Alexander's Empire | 0 | - | 4.57 | 39,484 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 49,992 |
| Biggest Cities in Japan | 0 | - | 4.65 | 80,804 |
| Biggest Cities in China | 0 | - | 4.47 | 151,637 |
| Biggest Cities in Canada | 0 | - | 4.56 | 128,613 |
| Biggest Cities in India | 0 | - | 4.70 | 65,917 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.74 | 67,524 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.70 | 58,925 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 77,683 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,315 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 51,453 |
| Biggest Cities in Mexico | 0 | - | 4.50 | 37,585 |
| All Cities in China with Population of 1 Million | 0 | - | 4.78 | 43,402 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,395,085 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 367,681 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 163,185 |
| Countries with Megacities | 0 | - | 4.99 | 222,869 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 189,920 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 107,881 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 129,206 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 75,313 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 303,666 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 105,231 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 161,977 |
| U.S. Cities by Hispanic Population | 0 | - | 4.30 | 36,580 |
| Biggest Cities in the World - 2100 | 0 | - | 4.23 | 89,458 |
| Flags to Largest Cities | 0 | - | 4.54 | 36,448 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 23,691 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 106,420 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 90,896 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,532 |
| Biggest World Cities A-Z | 0 | - | 4.56 | 216,171 |
| Biggest Cities Starting With B | 0 | - | 4.35 | 158,132 |
| Biggest Cities Starting With C | 0 | - | 4.10 | 102,230 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 84,327 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 122,437 |
| Biggest Cities Starting With T | 0 | - | 4.28 | 124,395 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.40 | 47,142 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,416 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 30,237 |
| Biggest Cities in Washington State | 0 | - | 4.46 | 34,949 |
| Biggest Cities in North Carolina | 0 | - | 4.68 | 34,070 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 123,690 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 82,967 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 259,680 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 117,301 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 108,644 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 89,461 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 55,854 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 44,746 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 62,410 |
| Biggest Cities by Trait #2 | 0 | - | 4.40 | 14,943 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.43 | 14,181 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 136,341 |
| Countries of Europe by Population | 0 | - | 4.98 | 168,046 |
| Most Populous Countries by Year | 0 | - | 4.81 | 104,591 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 91,655 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 111,512 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 102,488 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 108,776 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 86,172 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 90,571 |
| Jewish Cities Quiz | 0 | - | 4.33 | 60,913 |
| Biggest Cities Near a Border | 0 | - | 4.21 | 31,022 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 20,792 |
| The Most Populous U.S. City by Category | 0 | - | 4.34 | 21,813 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,489 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.35 | 98,730 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.15 | 104,223 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 83,409 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 78,495 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.38 | 32,262 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 66,231 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.26 | 71,918 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 79,672 |
| Biggest Cities in California | 0 | - | 4.34 | 136,780 |
| Biggest Cities in Florida | 0 | - | 4.22 | 70,514 |
| Biggest Cities in New York State | 0 | - | 4.32 | 58,383 |
| Biggest Cities in Pennsylvania | 0 | - | 4.15 | 44,508 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 47,808 |
| Biggest Cities in Texas | 0 | - | 4.27 | 116,709 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 24,599 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 216,849 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 131,348 |
