| Biggest Cities in Asia | 0 | - | 4.94 | 107,104 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 48,784 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 132,869 |
| All Cities in India with Population of 1 Million | 0 | - | 4.82 | 46,303 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 114,736 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 30,896 |
| Biggest Cities in the World | 0 | - | 4.91 | 776,914 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 336,183 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 49,107 |
| Biggest Cities in Germany | 0 | - | 4.95 | 287,287 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.87 | 91,651 |
| Biggest Cities in Sweden | 0 | - | 4.84 | 40,476 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 94,593 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 110,071 |
| Biggest City by Time Zone | 0 | - | 4.87 | 64,686 |
| Biggest City in Every Country | 0 | - | 4.98 | 95,450 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 197,279 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 106,627 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 116,981 |
| Biggest Cities with Exceptions | 0 | - | 4.88 | 76,515 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 218,344 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 81,966 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 408,370 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 76,392 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 49,055 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 111,651 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 67,778 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 54,580 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 65,137 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 125,474 |
| Biggest Cities in the United States | 0 | - | 4.93 | 949,083 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 360,018 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.89 | 117,185 |
| Biggest Cities by Language | 0 | - | 4.95 | 228,249 |
| Largest City by Island | 0 | - | 4.90 | 69,765 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 69,358 |
| Most Populous World Capitals | 0 | - | 4.94 | 173,001 |
| Biggest European Cities by Century | 0 | - | 4.98 | 127,381 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 156,413 |
| Megacities on a World Map | 0 | - | 4.98 | 238,634 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 44,405 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 565,479 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 65,885 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 72,361 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 77,556 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.94 | 38,922 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.89 | 113,270 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 60,426 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 108,329 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 164,946 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.86 | 55,041 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 105,165 |
| Biggest Cities in France - Extreme | 0 | - | 4.86 | 54,515 |
| Largest Nordic Cities on a Map | 0 | - | 4.82 | 36,003 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 165,187 |
| Biggest Cities in Europe | 0 | - | 4.70 | 534,876 |
| Megacities on an Empty Map | 0 | - | 4.96 | 95,620 |
| Biggest Cities in Japan | 0 | - | 4.68 | 81,764 |
| Biggest Cities in China | 0 | - | 4.52 | 154,620 |
| Biggest Cities in India | 0 | - | 4.70 | 66,724 |
| All Cities in China with Population of 1 Million | 0 | - | 4.80 | 44,443 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 39,414 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 67,879 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 72,356 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,028 |
| Biggest English Cities by Century | 0 | - | 4.90 | 104,951 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.77 | 72,578 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 90,644 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.57 | 40,681 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 174,681 |
| Biggest Cities in Russia | 0 | - | 4.49 | 81,406 |
| Biggest Cities in France | 0 | - | 4.70 | 219,376 |
| Biggest Cities in Spain | 0 | - | 4.63 | 167,712 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,068 |
| Biggest Cities in Poland | 0 | - | 4.61 | 52,835 |
| Biggest Cities in the UK | 0 | - | 4.47 | 102,910 |
| Biggest Cities in Canada | 0 | - | 4.56 | 130,511 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 46,551 |
| Biggest Cities in Italy | 0 | - | 4.74 | 236,985 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.47 | 64,025 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 57,882 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,237 |
| Biggest Cities by Trait #1 | 0 | - | 4.45 | 44,968 |
| Biggest City by Region | 0 | - | 4.50 | 35,655 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,537 |
| Northernmost Major City by Country | 0 | - | 4.56 | 32,748 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,005 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 82,353 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,533 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,005 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 52,185 |
| Biggest Cities in Mexico | 0 | - | 4.51 | 38,418 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 125,177 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,053 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 83,299 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,655 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 83,014 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,290 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,265 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.43 | 39,864 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 54,368 |
| Cities of Ireland | 0 | - | 4.50 | 49,742 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 23,915 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 146,011 |
| Biggest Cities in History | 0 | - | 4.52 | 88,216 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 71,653 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.55 | 42,826 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.91 | 63,124 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 67,758 |
| Biggest Cities in the Blue Banana | 0 | - | 4.55 | 35,257 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 30,674 |
| Biggest Cities in Portugal | 0 | - | 4.42 | 20,529 |
| Biggest Cities Starting With A | 0 | - | 4.61 | 122,153 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 114,658 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 107,116 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 120,460 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 140,634 |
| Biggest Cities Starting With P | 0 | - | 4.45 | 124,437 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,247 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 47,914 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.41 | 50,746 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 42,596 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,377 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.23 | 19,802 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 137,730 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 163,037 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 121,395 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 106,542 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 72,573 |
| Biggest Nordic Cities | 0 | - | 4.38 | 61,222 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,842 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 164,068 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,457 |
| Biggest Cities by Latitude | 0 | - | 4.78 | 27,329 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 37,450 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,502 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 78,422 |
| Biggest Cities by Trait #2 | 0 | - | 4.48 | 17,737 |
| Flags to Largest Cities | 0 | - | 4.54 | 37,483 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,086 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,735 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 107,968 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 92,386 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 35,540 |
| Biggest Cities in North Carolina | 0 | - | 4.67 | 34,572 |
| Biggest World Cities A-Z | 0 | - | 4.61 | 219,111 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,417,124 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 372,847 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 167,989 |
| Countries with Megacities | 0 | - | 4.99 | 237,386 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 194,184 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 110,286 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 132,860 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 77,981 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 315,019 |
| Largest Cities in Alexander's Empire | 0 | - | 4.57 | 39,684 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.28 | 112,247 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 62,912 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,586 |
| Cities on Interstate 90 on a Map | 0 | - | 4.44 | 31,587 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,723 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 160,189 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 103,490 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 85,501 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 124,361 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 126,180 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.78 | 22,925 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 45,079 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.74 | 68,095 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,701 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 125,985 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 84,583 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 262,911 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 119,474 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 110,193 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 91,231 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 57,301 |
| Jewish Cities Quiz | 0 | - | 4.33 | 61,350 |
| The Most Populous U.S. City by Category | 0 | - | 4.34 | 22,074 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 100,206 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.15 | 105,512 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 84,354 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 79,426 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 32,916 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 66,801 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.26 | 72,590 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 80,801 |
| Biggest Cities in California | 0 | - | 4.35 | 138,237 |
| Biggest Cities in Florida | 0 | - | 4.22 | 71,228 |
| Biggest Cities in New York State | 0 | - | 4.32 | 58,984 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 44,924 |
| Biggest Cities in Colorado | 0 | - | 4.04 | 31,773 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,300 |
| Biggest Cities in Texas | 0 | - | 4.27 | 117,961 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 24,889 |
| Countries of Europe by Population | 0 | - | 4.98 | 174,100 |
| Most Populous Countries by Year | 0 | - | 4.83 | 107,433 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 94,438 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 126,731 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 105,125 |
