| Biggest Cities in Asia | 0 | - | 4.95 | 115,650 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,616 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,314 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,747 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,112 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,461 |
| Biggest Cities in the World | 0 | - | 4.91 | 791,609 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,527 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,389 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,620 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 94,616 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,982 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 97,273 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 112,722 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,850 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,925 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,385 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,082 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 130,685 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,708 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,708 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,654 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 414,135 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,754 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,179 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,967 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,280 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,834 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 66,823 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,711 |
| Biggest Cities in the United States | 0 | - | 4.93 | 968,172 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,158 |
| Biggest Cities in China | 0 | - | 4.53 | 157,240 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,825 |
| Biggest Cities by Language | 0 | - | 4.96 | 240,461 |
| Largest City by Island | 0 | - | 4.87 | 71,153 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,457 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,686 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,432 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,418 |
| Megacities on a World Map | 0 | - | 4.98 | 251,365 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,549 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,914 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,888 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,980 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,817 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,933 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,674 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,616 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,019 |
| All Cities in China with Population of 1 Million | 0 | - | 4.80 | 45,389 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,315 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,700 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,499 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,937 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,173 |
| Biggest Cities in Europe | 0 | - | 4.70 | 542,630 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,664 |
| Biggest Cities in India | 0 | - | 4.70 | 67,389 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 40,875 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,584 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,167 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,605 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,660 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,157 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,068 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,045 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 175,870 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,075 |
| Biggest Cities in France | 0 | - | 4.69 | 222,618 |
| Biggest Cities in Spain | 0 | - | 4.63 | 170,053 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,706 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,510 |
| Biggest Cities in the UK | 0 | - | 4.47 | 104,271 |
| Biggest Cities in Canada | 0 | - | 4.54 | 131,946 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,001 |
| Biggest Cities in Italy | 0 | - | 4.75 | 239,729 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,507 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,011 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,926 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,755 |
| Biggest City by Region | 0 | - | 4.50 | 36,023 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,929 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,053 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,244 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,958 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,744 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,277 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,782 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,017 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,282 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,333 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 84,070 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,876 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,346 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,735 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,648 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,193 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 54,912 |
| Cities of Ireland | 0 | - | 4.51 | 50,377 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,109 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,526 |
| Biggest Cities in History | 0 | - | 4.52 | 89,209 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,160 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,226 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,081 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,221 |
| Biggest Cities in the Blue Banana | 0 | - | 4.56 | 36,054 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,004 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,847 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,618 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 116,065 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,705 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,011 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,295 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,090 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,803 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,534 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,291 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,527 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,827 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,961 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,565 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.25 | 20,266 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 138,821 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,975 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,202 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,045 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,379 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,882 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,467 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,987 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 165,798 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,686 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,480 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 38,047 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,958 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 78,955 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,273 |
| Flags to Largest Cities | 0 | - | 4.55 | 50,871 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,452 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,965 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,387 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,570 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 35,975 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,910 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 221,542 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,436,571 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,022 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,671 |
| Countries with Megacities | 0 | - | 4.99 | 247,665 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,522 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,221 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,912 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,155 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,866 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.29 | 115,343 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,244 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,777 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,750 |
| Largest Cities once part of the Byzantine Empire | 0 | - | 4.83 | 21,401 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,859 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 161,916 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,808 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,696 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 125,871 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,542 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,427 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 50,788 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,573 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,899 |
| Cities in European Economic Areas on a Map | 0 | - | 4.69 | 17,067 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,213 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,044 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 266,310 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,055 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,571 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,839 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,426 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,673 |
| The Most Populous U.S. City by Category | 0 | - | 4.36 | 22,278 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 101,566 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 106,578 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,116 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,163 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,423 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,247 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,157 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,382 |
| Biggest Cities in California | 0 | - | 4.35 | 139,299 |
| Biggest Cities in Florida | 0 | - | 4.23 | 71,825 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,434 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,220 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,121 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,599 |
| Biggest Cities in Texas | 0 | - | 4.28 | 118,689 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,065 |
| Countries of Europe by Population | 0 | - | 4.98 | 178,393 |
| Most Populous Countries by Year | 0 | - | 4.83 | 109,420 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,212 |
