| 100 Biggest Soviet Cities in 1989 with a Map | 0 | - | 4.97 | 29,725 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,092 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,865 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,096 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,357 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,798 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,659 |
| Biggest Cities in the World | 0 | - | 4.91 | 795,204 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,465 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,300 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,594 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,866 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,925 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,930 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 415,842 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,110 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,423 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,275 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,945 |
| Biggest Cities in the United States | 0 | - | 4.93 | 973,665 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,146 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,302 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,634 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 223,654 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,660 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,215 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,190 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,062 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,357 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 576,130 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,259 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,538 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,346 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,644 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,124 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,216 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,547 |
| Biggest Cities in Germany | 0 | - | 4.95 | 292,638 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,781 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,738 |
| Largest City by Island | 0 | - | 4.87 | 71,529 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,664 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,477 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,094 |
| Megacities on a World Map | 0 | - | 4.98 | 252,718 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,103 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,532 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,874 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,341 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,831 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,085 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,033 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,414 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 113,579 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,904 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,547 |
| Biggest Cities in Europe | 0 | - | 4.72 | 544,596 |
| Megacities on an Empty Map | 0 | - | 4.97 | 117,804 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,454 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,930 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,735 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,340 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,803 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,310 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,077 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,106 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,202 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,788 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,440 |
| Largest Cities once part of the Byzantine Empire | 0 | - | 4.83 | 21,489 |
| Biggest Cities in Latin America | 0 | - | 4.47 | 64,625 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,913 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,225 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,303 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,019 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,471 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,881 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,420 |
| Biggest City by Region | 0 | - | 4.50 | 36,088 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 57,021 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,719 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,930 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,700 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,715 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,419 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,130 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,870 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,304 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,125 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,744 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,306 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,750 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,972 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,335 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,062 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,361 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,071 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 176,110 |
| Biggest Cities in Japan | 0 | - | 4.69 | 82,838 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,235 |
| Biggest Cities in France | 0 | - | 4.70 | 223,297 |
| Biggest Cities in Spain | 0 | - | 4.64 | 170,633 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,842 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,717 |
| Biggest Cities in the UK | 0 | - | 4.48 | 104,970 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,775 |
| Biggest Cities in China | 0 | - | 4.52 | 157,932 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,537 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,121 |
| Biggest Cities in India | 0 | - | 4.70 | 67,579 |
| Biggest Cities in Italy | 0 | - | 4.77 | 240,477 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 151,926 |
| Biggest Cities in History | 0 | - | 4.52 | 89,913 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,248 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,316 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,596 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,344 |
| Biggest Cities in the Blue Banana | 0 | - | 4.56 | 36,237 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,961 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,185 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,989 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,363 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,075 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,404 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,979 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,734 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,582 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 72,971 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,524 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,015 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,197 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,735 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,519 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,190 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.29 | 116,092 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,341 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,463 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,160 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,532 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,087 |
| Cities of Ireland | 0 | - | 4.51 | 50,522 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,910 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,149 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,757 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,894 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,094 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,006 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 222,479 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,441,409 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,239 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,460 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,699 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,857 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,838 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,599 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 18,016 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,045 |
| Biggest Cities in California | 0 | - | 4.35 | 139,604 |
| Biggest Cities in Florida | 0 | - | 4.23 | 71,969 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,564 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,326 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,196 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,889 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,694 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,154 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,136 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,359 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,085 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,908 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,234 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,927 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,544 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,528 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,586 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,397 |
| Countries with Megacities | 0 | - | 4.99 | 249,605 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,120 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,487 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,438 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,172 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,734 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,780 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,210 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,697 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,771 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,756 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 51,071 |
| Biggest Axis-Controlled Cities | 0 | - | 4.43 | 48,777 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,968 |
| Colour in the Flag Map by Guessing Cities #2 | 0 | - | 4.70 | 49,435 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,329 |
| Cities in European Economic Areas on a Map | 0 | - | 4.69 | 17,383 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 101,887 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,101 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,338 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,394 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,567 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,397 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,326 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,545 |
