| Biggest Cities in the World | 0 | - | 4.91 | 802,658 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,434 |
| Biggest Cities in the United States | 0 | - | 4.94 | 983,069 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,201 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,539 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,424 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,465 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,032 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 148,035 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,407 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,966 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,591 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,363 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,443 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,969 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,086 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,575 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,266 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,255 |
| Largest City by Island | 0 | - | 4.87 | 72,193 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,272 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,379 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,915 |
| Megacities on a World Map | 0 | - | 4.98 | 255,855 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 580,358 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,599 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,361 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,554 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 168,921 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,722 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,592 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,284 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,432 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,897 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,307 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,655 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,182 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,837 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,122 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,318 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,965 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,726 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,710 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,905 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.90 | 83,667 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,195 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,730 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,656 |
| Name a World Capital A-Z | 0 | - | 5.00 | 176,641 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,377 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,840 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,137 |
| Biggest Cities in Germany | 0 | - | 4.95 | 294,417 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,690 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 107,986 |
| Biggest Cities in Europe | 0 | - | 4.73 | 547,899 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,870 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,596 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,083 |
| Biggest City by Region | 0 | - | 4.50 | 36,313 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,230 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,260 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,398 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,421 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,494 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 165,387 |
| Biggest Cities in History | 0 | - | 4.52 | 90,393 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,576 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,527 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,594 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,826 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,358 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,340 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,490 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,735 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,943 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,641 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,883 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,693 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,296 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,746 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,425 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,078 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,442 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,463 |
| Countries Closest to Spain A-Z | 0 | - | 4.98 | 108,526 |
| Countries Closest to the United Kingdom A-Z | 0 | - | 4.96 | 191,285 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,616 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,641 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,751 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,903 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,116 |
| Biggest English Cities by Century | 0 | - | 4.91 | 106,563 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,108 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,873 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,585 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,643 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,408 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,780 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 67,435 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,883 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 167,026 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 75,925 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,636 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,349 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,355 |
| Countries Closest to Germany A-Z | 0 | - | 4.98 | 27,456 |
| Country Flags with the Fewest Colours A-Z | 0 | - | 4.63 | 59,044 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,450,333 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,480 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,299 |
| Countries with Megacities | 0 | - | 4.99 | 265,493 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,117 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,678 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,365 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,748 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,876 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,531 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,046 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 91,259 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,088 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,028 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,935 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,473 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,082 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,963 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 163,115 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,522 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,307 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 127,061 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,555 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,770 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,203 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,063 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,499 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,346 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,679 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 93,891 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,350 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,302 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,740 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,237 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,955 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,664 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,360 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,425 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,891 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 44,403 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,265 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,291 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,538 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,326 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,624 |
| Biggest Cities in France | 0 | - | 4.70 | 224,735 |
| Biggest Cities in Spain | 0 | - | 4.64 | 171,719 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,151 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,295 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,121 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,475 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,591 |
| Biggest Cities in China | 0 | - | 4.53 | 159,376 |
| Biggest Cities in Canada | 0 | - | 4.54 | 133,228 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,360 |
| Biggest Cities in India | 0 | - | 4.64 | 67,927 |
| Biggest Cities in Italy | 0 | - | 4.77 | 241,806 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,350 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,582 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,685 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,744 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,829 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.03 | 67,595 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,578 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,802 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,035 |
| Most Populous Countries by Year | 0 | - | 4.83 | 111,049 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 95,770 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,929 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 108,336 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 113,472 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 90,613 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 93,047 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,651 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,452 |
| Biggest Axis-Controlled Cities | 0 | - | 4.44 | 48,968 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 21,528 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,666 |
| Cities of Ireland | 0 | - | 4.51 | 50,789 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,225 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,326 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,164 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 223,441 |
| First Countries to Reach 5 Million People | 0 | - | 4.93 | 135,627 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.88 | 76,365 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 93,028 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 67,393 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 73,700 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 97,532 |
| Countries with the Most Christians | 0 | - | 4.93 | 144,069 |
| Least Christian Countries with Exceptions | 0 | - | 4.90 | 88,725 |
| Countries with the Highest Population Density | 0 | - | 4.95 | 165,359 |
