| Biggest Cities in the World | 0 | - | 4.91 | 806,254 |
| Biggest City by Time Zone | 0 | - | 4.88 | 69,015 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,067 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 32,875 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,606 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,557 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,260 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,864 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,314 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 420,895 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,029 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,603 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,672 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,778 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,258 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,466 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,548 |
| Biggest Cities in the United States | 0 | - | 4.94 | 988,041 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,247 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 582,391 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,682 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,756 |
| Largest City by Island | 0 | - | 4.87 | 72,497 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,459 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,757 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,194 |
| Megacities on a World Map | 0 | - | 4.98 | 257,182 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,804 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,752 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,610 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,757 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 349,030 |
| Biggest Cities in Germany | 0 | - | 4.95 | 295,425 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,807 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,051 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,254 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,456 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,287 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,556 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.89 | 97,539 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,646 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 100,183 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,333 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,996 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,905 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,807 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,594 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,135 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,109 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,417 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 84,797 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,521 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,321 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,971 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,562 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 127,637 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,493 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,568 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,502 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,600 |
| Biggest Cities in Europe | 0 | - | 4.73 | 549,437 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,150 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,672 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,171 |
| Biggest City by Region | 0 | - | 4.50 | 36,404 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,353 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,318 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,453 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,582 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,584 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,482 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 48,056 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 42,332 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,481 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,275 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 165,938 |
| Biggest Cities in History | 0 | - | 4.52 | 90,641 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 79,111 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,619 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,718 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,223 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 125,189 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 117,199 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 110,009 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,626 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 144,148 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,792 |
| Biggest English Cities by Century | 0 | - | 4.91 | 107,049 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,802 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,510 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 68,427 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 177,033 |
| Biggest Cities in France | 0 | - | 4.72 | 225,455 |
| Biggest Cities in Spain | 0 | - | 4.64 | 172,270 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,464 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,902 |
| Biggest Cities in China | 0 | - | 4.53 | 160,050 |
| Biggest Cities in Italy | 0 | - | 4.78 | 242,556 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,062 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,092 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 335,978 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,191 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,144 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,927 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 76,180 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,934 |
| Cities of Ireland | 0 | - | 4.51 | 50,932 |
| Biggest Cities in California | 0 | - | 4.35 | 140,455 |
| Biggest Cities in Florida | 0 | - | 4.25 | 72,436 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,932 |
| Biggest Cities in Pennsylvania | 0 | - | 4.13 | 45,553 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,432 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,860 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,998 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,760 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,297 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,455,005 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 382,714 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 108,172 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 65,006 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 127,501 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,595 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 167,399 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,931 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,091 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 92,366 |
| U.S. States by Second Most Populous City | 0 | - | 4.43 | 44,183 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,109 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 37,016 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,548 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,869 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,651 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,586 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.31 | 40,995 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 224,258 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 163,866 |
| Biggest Cities Starting With C | 0 | - | 4.12 | 105,838 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,526 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 127,405 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,877 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 510,465 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,865 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,321 |
| Countries with Megacities | 0 | - | 4.99 | 267,473 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,987 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,230 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,318 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,333 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,591 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,407 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 49,086 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,755 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,128 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.61 | 44,655 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,417 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,384 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,545 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,789 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,303 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,311 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,745 |
| Biggest Cities in Canada | 0 | - | 4.55 | 133,577 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,485 |
| Biggest Cities in India | 0 | - | 4.64 | 68,088 |
| Biggest U.S. Cities A-Z | 0 | - | 4.67 | 139,641 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,514 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,403 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,361 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,734 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,947 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,294 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,672 |
| Jewish Cities Quiz | 0 | - | 4.33 | 62,010 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,929 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,608 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,830 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,870 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,912 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,949 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.03 | 67,701 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,711 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.35 | 81,931 |
| Biggest Cities in New Jersey | 0 | - | 4.14 | 29,374 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 25,310 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 20,917 |
| Biggest Cities in Alaska | 0 | - | 4.29 | 26,045 |
| Biggest Cities in Illinois | 0 | - | 4.36 | 27,101 |
| Biggest Cities in Louisiana | 0 | - | 4.17 | 20,082 |
| Biggest Cities in Massachusetts | 0 | - | 4.39 | 30,747 |
| Biggest Cities in Michigan | 0 | - | 3.98 | 34,298 |
| Biggest Cities in Missouri | 0 | - | 4.25 | 17,499 |
| Biggest Cities in Tennessee | 0 | - | 4.26 | 20,999 |
| Biggest Cities in Indiana | 0 | - | 4.24 | 27,208 |
| US States and State Capitals | 0 | - | 4.99 | 165,648 |
| Which City in Canada? | 0 | - | 4.83 | 57,385 |
| Countries Closest to United States A-Z | 0 | - | 4.82 | 118,771 |
| U.S. State Flags | 0 | - | 4.89 | 173,163 |
| Hawaiian Islands | 0 | - | 4.83 | 42,974 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,537 |
| U.S. States or European Countries by GDP | 0 | - | 4.98 | 89,798 |
