| Biggest Cities in Asia | 0 | - | 4.95 | 117,627 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,293 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,698 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,335 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,370 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,744 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,925 |
| Biggest Cities in the World | 0 | - | 4.92 | 802,803 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 347,515 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,321 |
| Biggest Cities in Germany | 0 | - | 4.95 | 294,458 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,847 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,348 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,518 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 115,090 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,557 |
| Biggest City in Every Country | 0 | - | 4.98 | 101,459 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 226,511 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,060 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 148,261 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,436 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 225,152 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,980 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 419,501 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,613 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,380 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,994 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,460 |
| Ten Southernmost Megacities | 0 | - | 4.88 | 64,982 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,104 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 131,601 |
| Biggest Cities in the United States | 0 | - | 4.94 | 983,304 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 367,249 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,287 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,275 |
| Largest City by Island | 0 | - | 4.87 | 72,204 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,276 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,399 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,926 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,757 |
| Megacities on a World Map | 0 | - | 4.98 | 255,928 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,725 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 580,445 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,613 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,375 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 83,724 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,211 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,753 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,666 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,590 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,000 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,394 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,876 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,151 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,732 |
| Biggest Cities in Europe | 0 | - | 4.73 | 547,964 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,911 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,340 |
| Biggest Cities in China | 0 | - | 4.53 | 159,407 |
| Biggest Cities in India | 0 | - | 4.64 | 67,932 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,892 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,957 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,194 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,854 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,091 |
| Biggest English Cities by Century | 0 | - | 4.91 | 106,577 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 75,949 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,649 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,411 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 67,477 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,552 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,633 |
| Biggest Cities in France | 0 | - | 4.70 | 224,782 |
| Biggest Cities in Spain | 0 | - | 4.64 | 171,745 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,157 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,136 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,603 |
| Biggest Cities in Canada | 0 | - | 4.54 | 133,245 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,371 |
| Biggest Cities in Italy | 0 | - | 4.77 | 241,857 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,892 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,890 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,596 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,084 |
| Biggest City by Region | 0 | - | 4.50 | 36,318 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,237 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,263 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,401 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,432 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,498 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,303 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,483 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.26 | 20,648 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,881 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,535 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,748 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,050 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 91,314 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,090 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,937 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,477 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,318 |
| Cities of Ireland | 0 | - | 4.51 | 50,795 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,232 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 165,422 |
| Biggest Cities in History | 0 | - | 4.52 | 90,404 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 78,603 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,534 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,848 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,599 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 36,548 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,298 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 21,112 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,663 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,904 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,713 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,308 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,765 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,438 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,240 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,960 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,669 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 44,410 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,268 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,297 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,686 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,452 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,633 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 124,664 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 332,858 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 107,993 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,118 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,653 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,111 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 167,044 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,878 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,590 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,460 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,368 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,430 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,785 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,642 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,669 |
| Saint Lucia Country Quiz | 0 | - | 4.68 | 18,122 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,358 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,361 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,336 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,170 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,677 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,450,534 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 381,527 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 174,336 |
| Countries with Megacities | 0 | - | 4.99 | 265,583 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 200,133 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,698 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 138,395 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,772 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 40,011 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 117,881 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,520 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,032 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,879 |
| Largest Cities once part of the Byzantine Empire | 0 | - | 4.83 | 21,724 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,966 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 163,213 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,545 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,318 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 127,088 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,570 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,775 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,309 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,079 |
| Cities in European Economic Areas on a Map | 0 | - | 4.70 | 17,931 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,218 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,074 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,518 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,361 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,692 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.90 | 93,909 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,363 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,907 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,432 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,360 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,590 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,691 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,752 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,832 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.03 | 67,600 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,580 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,804 |
| Biggest Cities in California | 0 | - | 4.35 | 140,179 |
| Biggest Cities in Florida | 0 | - | 4.25 | 72,266 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,809 |
| Biggest Cities in Pennsylvania | 0 | - | 4.13 | 45,481 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,330 |
| Biggest Cities in Arizona | 0 | - | 4.30 | 31,757 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,881 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,532 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,232 |
| Countries of Europe by Population | 0 | - | 4.98 | 182,097 |
