| Biggest English Cities by Century | 0 | - | 4.90 | 106,518 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,328 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,002 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,448 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,242 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,230 |
| Biggest Cities in the World | 0 | - | 4.91 | 801,626 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,935 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,164 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,794 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,604 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,603 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,793 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,015 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 83,320 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,094 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,542 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,541 |
| Biggest Cities in the United States | 0 | - | 4.94 | 981,749 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,928 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,398 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,213 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 75,831 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,130 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,865 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 144,751 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,267 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,862 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,647 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 579,749 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,436 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,241 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,032 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,352 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,883 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,978 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,282 |
| Biggest Cities in Germany | 0 | - | 4.95 | 294,150 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,654 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,130 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,078 |
| Largest City by Island | 0 | - | 4.87 | 72,109 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,210 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,266 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,831 |
| Megacities on a World Map | 0 | - | 4.98 | 255,518 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,542 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,246 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,338 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,640 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,279 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,305 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,284 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,691 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 114,766 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 168,781 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,609 |
| Biggest Cities in Europe | 0 | - | 4.73 | 547,444 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,792 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,204 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,034 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,661 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,866 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,598 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,323 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,370 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,380 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,876 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 67,064 |
| Largest Cities once part of the Byzantine Empire | 0 | - | 4.83 | 21,695 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,837 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,990 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,829 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,785 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,580 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,808 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,058 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,517 |
| Biggest City by Region | 0 | - | 4.50 | 36,296 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,210 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,033 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,928 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 90,796 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,638 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,236 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,067 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,387 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,375 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,903 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,451 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 44,318 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 37,226 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,471 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,273 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,767 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,267 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,473 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,275 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,561 |
| Biggest Cities in France | 0 | - | 4.70 | 224,518 |
| Biggest Cities in Spain | 0 | - | 4.64 | 171,551 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,108 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,054 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,500 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,033 |
| Biggest Cities in China | 0 | - | 4.53 | 159,148 |
| Biggest Cities in Canada | 0 | - | 4.54 | 133,131 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,320 |
| Biggest Cities in India | 0 | - | 4.64 | 67,883 |
| Biggest Cities in Italy | 0 | - | 4.77 | 241,583 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 165,072 |
| Biggest Cities in History | 0 | - | 4.52 | 90,332 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,319 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,499 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,661 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,556 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 36,512 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,244 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,433 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,582 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,821 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,621 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,224 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,661 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,342 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 107,925 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,096 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,634 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,099 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,889 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,860 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,577 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,414 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 117,672 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,480 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,740 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,547 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,644 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,262 |
| Cities of Ireland | 0 | - | 4.51 | 50,743 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 21,062 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,214 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,281 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,297 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,307 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,147 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,483 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,449,035 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,182 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,481 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,499 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,044 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,012 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,674 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 18,104 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,392 |
| Biggest Cities in California | 0 | - | 4.35 | 140,089 |
| Biggest Cities in Florida | 0 | - | 4.25 | 72,230 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,776 |
| Biggest Cities in Pennsylvania | 0 | - | 4.13 | 45,445 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,313 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,952 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,722 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,859 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,459 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,220 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 163,016 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,476 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,246 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,983 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,492 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,742 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,111 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,049 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,994 |
| Countries with Megacities | 0 | - | 4.99 | 264,922 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,325 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,237 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,869 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,609 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,559 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,138 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,790 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,633 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,265 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,885 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,190 |
| Biggest Axis-Controlled Cities | 0 | - | 4.44 | 48,945 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,065 |
| Colour in the Flag Map by Guessing Cities #2 | 0 | - | 4.70 | 49,721 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,415 |
| Cities in European Economic Areas on a Map | 0 | - | 4.70 | 17,840 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,294 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,521 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,639 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,698 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,802 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,577 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,543 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,773 |
