| African Cities in the Top 200 Worldwide | 0 | - | 4.93 | 41,683 |
| Biggest Cities in the World | 0 | - | 4.89 | 686,570 |
| Biggest Cities in Asia | 0 | - | 4.94 | 95,822 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 43,415 |
| Biggest Cities in Germany | 0 | - | 4.95 | 262,924 |
| Biggest Cities in Sweden | 0 | - | 4.83 | 37,231 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 76,056 |
| Biggest City by Time Zone | 0 | - | 4.84 | 54,350 |
| Biggest City in Every Country | 0 | - | 4.97 | 78,766 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 169,663 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 92,025 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 96,153 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 64,874 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 199,131 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.86 | 71,402 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 109,240 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 371,088 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.94 | 65,191 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 42,346 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 303,962 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 97,422 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 59,670 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 46,354 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.96 | 55,178 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 106,346 |
| Biggest Cities in the United States | 0 | - | 4.92 | 816,588 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 333,786 |
| Cities of China (With Some Help) | 0 | - | 4.86 | 28,199 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 108,998 |
| Biggest Cities by Language | 0 | - | 4.95 | 213,869 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.94 | 64,843 |
| Most Populous World Capitals | 0 | - | 4.92 | 148,439 |
| Biggest European Cities by Century | 0 | - | 4.98 | 118,780 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 131,641 |
| Megacities on a World Map | 0 | - | 4.98 | 220,657 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.84 | 43,927 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.91 | 91,862 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 513,298 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 59,838 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 63,404 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 69,449 |
| 500 Biggest US Cities | 0 | - | 4.87 | 98,041 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.81 | 52,339 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 84,288 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 151,174 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 50,909 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 91,042 |
| Biggest Cities in France - Extreme | 0 | - | 4.89 | 43,713 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 154,864 |
| Biggest Cities in Europe | 0 | - | 4.76 | 464,274 |
| Megacities on an Empty Map | 0 | - | 4.95 | 87,533 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.90 | 29,028 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.82 | 63,729 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 67,846 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 32,923 |
| Biggest English Cities by Century | 0 | - | 4.90 | 99,562 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.79 | 68,760 |
| Biggest Mediterranean Cities | 0 | - | 4.57 | 86,565 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.63 | 36,844 |
| Biggest Cities in Japan | 0 | - | 4.66 | 75,521 |
| Biggest Cities in Russia | 0 | - | 4.49 | 76,386 |
| Biggest Cities in France | 0 | - | 4.76 | 199,363 |
| Biggest Cities in Spain | 0 | - | 4.50 | 153,475 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 50,158 |
| Biggest Cities in Poland | 0 | - | 4.56 | 48,062 |
| Biggest Cities in the UK | 0 | - | 4.46 | 93,413 |
| Biggest Cities in China | 0 | - | 4.64 | 138,530 |
| Cities of Ireland | 0 | - | 4.43 | 39,720 |
| Biggest Cities in Canada | 0 | - | 4.66 | 120,403 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 43,555 |
| Biggest Cities in India | 0 | - | 4.72 | 62,364 |
| Biggest Cities in Italy | 0 | - | 4.65 | 217,070 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.44 | 60,354 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.48 | 97,531 |
| Biggest Cities by Trait #1 | 0 | - | 4.45 | 43,063 |
| Biggest City by Region | 0 | - | 4.49 | 33,635 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 53,363 |
| Largest World Capitals with Exceptions | 0 | - | 4.72 | 50,358 |
| Two Largest Cities by First Two Letters | 0 | - | 4.58 | 76,593 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 47,018 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 48,368 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.76 | 64,456 |
| All Cities in China with Population of 1 Million | 0 | - | 4.79 | 38,600 |
| All Cities in India with Population of 1 Million | 0 | - | 4.79 | 40,945 |
| Biggest European Cities by Letter | 0 | - | 4.66 | 118,950 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.65 | 62,920 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.97 | 77,935 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.49 | 58,870 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 40,321 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 33,969 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 22,758 |
| Biggest English-Speaking Cities | 0 | - | 4.42 | 136,184 |
| Biggest City by Island | 0 | - | 4.57 | 45,766 |
| Biggest Cities in History | 0 | - | 4.50 | 80,203 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 67,953 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.50 | 40,125 |
| Biggest World Cities in 1850 | 0 | - | 4.58 | 64,571 |
| Biggest Urban Areas in the UK | 0 | - | 4.40 | 167,737 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 28,546 |
| Biggest Cities in Portugal | 0 | - | 4.41 | 18,786 |
| Biggest Cities Starting With A | 0 | - | 4.55 | 112,176 |
| Biggest Cities Starting With D | 0 | - | 4.49 | 106,846 |
| Biggest Cities Starting With H | 0 | - | 4.55 | 97,622 |
| Biggest Cities Starting With L | 0 | - | 4.45 | 110,460 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 128,781 |
| Biggest Cities Starting With P | 0 | - | 4.47 | 114,672 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 43,232 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 61,543 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.46 | 37,779 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.57 | 36,018 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.41 | 13,115 |
| Biggest Cities in Mexico | 0 | - | 4.55 | 29,225 |
| Biggest U.S. Cities A-Z | 0 | - | 4.63 | 122,082 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 137,132 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 109,723 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.79 | 99,103 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 70,179 |
| Second Biggest Cities Quiz | 0 | - | 4.25 | 38,978 |
| Biggest Nordic Cities | 0 | - | 4.38 | 59,659 |
| Biggest Coastal City by Country | 0 | - | 4.59 | 27,027 |
| Five Biggest Cities by Country | 0 | - | 4.67 | 152,425 |
| Biggest City by Region #2 | 0 | - | 4.46 | 23,106 |
| Biggest Cities by Latitude | 0 | - | 4.76 | 26,240 |
| Northernmost Major City by Country | 0 | - | 4.56 | 30,864 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.67 | 56,293 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.71 | 74,516 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.79 | 42,465 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 28,708 |
| Flags to Largest Cities | 0 | - | 4.54 | 31,932 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.47 | 20,708 |
| Saint Lucia Country Quiz | 0 | - | 4.66 | 16,289 |
| Biggest Cities in North Carolina | 0 | - | 4.66 | 31,939 |
| Biggest World Cities A-Z | 0 | - | 4.55 | 193,857 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,310,681 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 349,486 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 125,712 |
| Countries with Megacities | 0 | - | 4.99 | 196,966 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 171,316 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 97,816 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 95,203 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 63,774 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 247,641 |
| Largest Cities in Alexander's Empire | 0 | - | 4.56 | 38,615 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 37,209 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.25 | 91,198 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 52,594 |
| Biggest Cities in the World - 2100 | 0 | - | 4.29 | 81,122 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 24,439 |
| Largest Nordic Cities on a Map | 0 | - | 4.76 | 23,246 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.21 | 17,047 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 39,811 |
| Biggest Cities Starting With B | 0 | - | 4.35 | 147,994 |
| Biggest Cities Starting With C | 0 | - | 4.07 | 96,975 |
| Biggest Cities Starting With K | 0 | - | 4.30 | 78,768 |
| Biggest Cities Starting With S | 0 | - | 4.39 | 114,638 |
| Biggest Cities Starting With T | 0 | - | 4.30 | 116,216 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.79 | 64,986 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 116,947 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 66,054 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 244,921 |
| Most Populous Countries with Exceptions | 0 | - | 4.97 | 108,959 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 89,916 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.93 | 69,416 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 50,477 |
| Jewish Cities Quiz | 0 | - | 4.31 | 59,255 |
| U.S. Cities by Hispanic Population | 0 | - | 4.26 | 24,547 |
| Biggest Cities by Trait #2 | 0 | - | 4.38 | 14,172 |
| The Most Populous U.S. City by Category | 0 | - | 4.36 | 14,690 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.37 | 85,610 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.39 | 71,870 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.29 | 80,172 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 84,675 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.15 | 66,108 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.23 | 61,880 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.22 | 60,122 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.27 | 67,528 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 27,915 |
| Biggest Cities in California | 0 | - | 4.35 | 130,395 |
| Biggest Cities in Florida | 0 | - | 4.20 | 67,331 |
| Biggest Cities in New York State | 0 | - | 4.29 | 55,811 |
| Biggest Cities in Pennsylvania | 0 | - | 4.14 | 42,659 |
| Biggest Cities in Ohio | 0 | - | 4.36 | 45,683 |
| Biggest Cities in Texas | 0 | - | 4.26 | 111,338 |
| Biggest Cities in Wisconsin | 0 | - | 4.45 | 23,366 |
| Countries of Europe by Population | 0 | - | 4.98 | 126,551 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 78,598 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 96,474 |
| Countries with the Most People Bordering Them | 0 | - | 4.95 | 75,197 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 93,381 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 69,728 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 85,878 |
| Biggest Axis-Controlled Cities | 0 | - | 4.39 | 43,844 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 28,423 |
| Cities in Squares on a Map - North America | 0 | - | 4.36 | 19,364 |
| Cities on Interstate 90 on a Map | 0 | - | 4.40 | 25,234 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 205,158 |
| First Countries to Reach 5 Million People | 0 | - | 4.90 | 109,535 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.86 | 68,577 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 76,100 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.91 | 53,641 |
