| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 53,876 |
| Biggest Cities in the World | 0 | - | 4.91 | 749,152 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 325,988 |
| Biggest English Cities by Century | 0 | - | 4.89 | 103,329 |
| Biggest Cities in Asia | 0 | - | 4.94 | 103,864 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 47,271 |
| Biggest Cities in France - Extreme | 0 | - | 4.89 | 51,215 |
| Largest Nordic Cities on a Map | 0 | - | 4.83 | 34,087 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.94 | 46,992 |
| Biggest Cities in Germany | 0 | - | 4.95 | 280,173 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.84 | 84,437 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 39,538 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.90 | 88,934 |
| Biggest City by Time Zone | 0 | - | 4.86 | 61,481 |
| Biggest City in Every Country | 0 | - | 4.98 | 89,895 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 188,601 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 101,927 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 110,330 |
| Biggest Cities with Exceptions | 0 | - | 4.89 | 73,063 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 213,028 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.86 | 78,890 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 129,018 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 397,937 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.95 | 72,802 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 45,433 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 107,631 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 65,284 |
| Ten Southernmost Megacities | 0 | - | 4.82 | 49,028 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 62,018 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 119,674 |
| Biggest Cities in the United States | 0 | - | 4.94 | 911,925 |
| Biggest Urban Areas in the UK | 0 | - | 4.41 | 172,525 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 351,996 |
| Biggest Cities in the UK | 0 | - | 4.47 | 100,024 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.88 | 114,847 |
| Biggest Cities by Language | 0 | - | 4.95 | 223,814 |
| Largest City by Island | 0 | - | 4.89 | 66,745 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.94 | 67,780 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.55 | 64,494 |
| Most Populous World Capitals | 0 | - | 4.93 | 169,420 |
| Biggest European Cities by Century | 0 | - | 4.98 | 125,291 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 152,630 |
| Megacities on a World Map | 0 | - | 4.98 | 232,832 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 41,694 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 111,265 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 549,780 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 64,102 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 69,615 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 75,297 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 35,374 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.88 | 108,492 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.83 | 57,932 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 99,801 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.82 | 53,049 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 160,471 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 97,962 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 161,952 |
| Biggest Cities in Europe | 0 | - | 4.74 | 518,288 |
| Megacities on an Empty Map | 0 | - | 4.95 | 93,292 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,287 |
| All Cities in India with Population of 1 Million | 0 | - | 4.82 | 44,646 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 105,511 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 81,704 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.82 | 66,621 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 70,991 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 30,071 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.75 | 71,522 |
| Biggest Mediterranean Cities | 0 | - | 4.56 | 89,188 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.58 | 40,530 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.57 | 39,598 |
| Biggest Cities in France | 0 | - | 4.70 | 213,226 |
| Biggest Cities in Spain | 0 | - | 4.63 | 163,619 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 53,750 |
| Cities of Ireland | 0 | - | 4.50 | 48,708 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 45,681 |
| Biggest Cities in Italy | 0 | - | 4.70 | 231,030 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.47 | 63,006 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 100,205 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 44,290 |
| Biggest City by Region | 0 | - | 4.50 | 35,035 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 55,688 |
| Northernmost Major City by Country | 0 | - | 4.56 | 32,197 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 51,519 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 81,002 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 48,448 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 59,970 |
| Biggest European Cities by Letter | 0 | - | 4.62 | 123,200 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,166 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 80,362 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 42,503 |
| Biggest "Saint" Cities - United States | 0 | - | 4.45 | 35,667 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.42 | 39,157 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 35,793 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.95 | 36,344 |
| Biggest English-Speaking Cities | 0 | - | 4.43 | 140,487 |
| Biggest Cities in History | 0 | - | 4.52 | 85,871 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 70,505 |
| Largest Cities in Alexander's Empire | 0 | - | 4.57 | 39,358 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.55 | 42,014 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 66,842 |
| Biggest Cities in the Blue Banana | 0 | - | 4.54 | 34,189 |
| Biggest Cities in Portugal | 0 | - | 4.42 | 19,968 |
| Biggest Cities Starting With A | 0 | - | 4.61 | 118,925 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 112,242 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 104,292 |
| Biggest Cities Starting With L | 0 | - | 4.45 | 117,315 |
| Biggest Cities Starting With M | 0 | - | 4.49 | 137,229 |
| Biggest Cities Starting With P | 0 | - | 4.48 | 121,526 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.78 | 67,197 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.43 | 70,984 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 49,519 |
| Biggest Cities in Japan | 0 | - | 4.68 | 80,165 |
| Biggest Cities in Russia | 0 | - | 4.48 | 80,021 |
| Biggest Cities in Poland | 0 | - | 4.57 | 51,431 |
| Biggest Cities in China | 0 | - | 4.47 | 149,875 |
| Biggest Cities in Canada | 0 | - | 4.56 | 127,506 |
| Biggest Cities in India | 0 | - | 4.71 | 65,441 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 146,778 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 117,614 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 104,534 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 71,946 |
| Second Biggest Cities Quiz | 0 | - | 4.25 | 40,029 |
| Biggest Nordic Cities | 0 | - | 4.38 | 60,692 |
| Biggest Coastal City by Country | 0 | - | 4.60 | 27,562 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 160,357 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,032 |
| Biggest Cities by Latitude | 0 | - | 4.77 | 27,013 |
| U.S. Cities by Hispanic Population | 0 | - | 4.30 | 36,088 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 58,605 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 77,299 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.74 | 43,179 |
| Flags to Largest Cities | 0 | - | 4.54 | 35,880 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.51 | 22,420 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 51,030 |
| Biggest Cities in Mexico | 0 | - | 4.50 | 37,162 |
| All Cities in China with Population of 1 Million | 0 | - | 4.78 | 42,749 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 23,583 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.42 | 104,627 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.41 | 89,106 |
| Biggest Cities in Washington State | 0 | - | 4.46 | 34,649 |
| Biggest Cities in North Carolina | 0 | - | 4.68 | 33,868 |
| Biggest World Cities A-Z | 0 | - | 4.55 | 214,216 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,383,030 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 365,121 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 159,356 |
| Countries with Megacities | 0 | - | 4.99 | 218,567 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 187,057 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 106,397 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 126,935 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 73,436 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 270,416 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.38 | 39,597 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.26 | 106,481 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 62,167 |
| Biggest Cities in the World - 2100 | 0 | - | 4.23 | 88,364 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 30,860 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 29,996 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,410 |
| Biggest Cities Starting With B | 0 | - | 4.36 | 156,693 |
| Biggest Cities Starting With C | 0 | - | 4.09 | 101,474 |
| Biggest Cities Starting With K | 0 | - | 4.30 | 83,555 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 121,506 |
| Biggest Cities Starting With T | 0 | - | 4.28 | 123,124 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.80 | 21,455 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 44,547 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.43 | 14,054 |
| Biggest U.S. Cities A-Z | 0 | - | 4.68 | 135,752 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 122,785 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 82,093 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 257,812 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 116,117 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 107,945 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 88,398 |
| Countries by Population Range - Tile Select | 0 | - | 4.85 | 55,088 |
| Jewish Cities Quiz | 0 | - | 4.32 | 60,684 |
| Biggest Cities by Trait #2 | 0 | - | 4.40 | 14,849 |
| The Most Populous U.S. City by Category | 0 | - | 4.33 | 21,662 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,346 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.34 | 97,122 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.14 | 102,592 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 81,975 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.18 | 77,299 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.01 | 59,756 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.26 | 70,900 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.32 | 72,114 |
| Biggest Cities in California | 0 | - | 4.34 | 136,052 |
| Biggest Cities in Florida | 0 | - | 4.22 | 70,138 |
| Biggest Cities in New York State | 0 | - | 4.31 | 58,054 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 44,308 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 47,570 |
| Biggest Cities in Texas | 0 | - | 4.27 | 116,160 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 24,447 |
| Countries of Europe by Population | 0 | - | 4.98 | 164,423 |
| Most Populous Countries by Year | 0 | - | 4.81 | 102,868 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 81,770 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 103,601 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 100,972 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 107,513 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 85,063 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 89,713 |
