| Biggest Cities in Asia | 0 | - | 4.94 | 105,845 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 48,182 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 30,567 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 131,222 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 45,624 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 113,080 |
| Biggest Cities in Japan | 0 | - | 4.64 | 81,091 |
| Biggest Cities in the World | 0 | - | 4.91 | 764,911 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 331,840 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.94 | 48,219 |
| Biggest Cities in Germany | 0 | - | 4.95 | 284,399 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.87 | 89,153 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,117 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 92,399 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 108,130 |
| Biggest City by Time Zone | 0 | - | 4.86 | 63,313 |
| Biggest City in Every Country | 0 | - | 4.98 | 92,922 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 193,690 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 104,581 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 113,965 |
| Biggest Cities with Exceptions | 0 | - | 4.88 | 75,048 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 216,026 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.86 | 80,699 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 404,055 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 74,883 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 46,265 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 110,054 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 66,735 |
| Ten Southernmost Megacities | 0 | - | 4.82 | 49,664 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 63,795 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 123,115 |
| Biggest Cities in the United States | 0 | - | 4.94 | 932,664 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 356,827 |
| Biggest Cities in China | 0 | - | 4.48 | 152,537 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.88 | 116,188 |
| Biggest Cities by Language | 0 | - | 4.95 | 226,509 |
| Largest City by Island | 0 | - | 4.89 | 68,685 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.92 | 68,616 |
| Most Populous World Capitals | 0 | - | 4.93 | 171,310 |
| Biggest European Cities by Century | 0 | - | 4.98 | 126,450 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 154,941 |
| Megacities on a World Map | 0 | - | 4.98 | 236,002 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 43,109 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 558,992 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 65,140 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 71,220 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 76,629 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.94 | 37,630 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.88 | 111,027 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.85 | 59,349 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 102,717 |
| All Cities in China with Population of 1 Million | 0 | - | 4.78 | 43,737 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 163,158 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 54,543 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 99,117 |
| Biggest Cities in France - Extreme | 0 | - | 4.89 | 53,242 |
| Largest Nordic Cities on a Map | 0 | - | 4.82 | 35,228 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 163,921 |
| Biggest Cities in Europe | 0 | - | 4.74 | 527,877 |
| Megacities on an Empty Map | 0 | - | 4.96 | 94,632 |
| Biggest Cities in India | 0 | - | 4.70 | 66,187 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.95 | 38,140 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.82 | 22,281 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 67,364 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 71,795 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 36,527 |
| Biggest English Cities by Century | 0 | - | 4.90 | 104,400 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.78 | 72,090 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 90,025 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.57 | 40,177 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 173,961 |
| Biggest Cities in Russia | 0 | - | 4.48 | 80,825 |
| Biggest Cities in France | 0 | - | 4.72 | 216,639 |
| Biggest Cities in Spain | 0 | - | 4.63 | 165,978 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 54,542 |
| Biggest Cities in Poland | 0 | - | 4.58 | 52,243 |
| Biggest Cities in the UK | 0 | - | 4.47 | 101,568 |
| Cities of Ireland | 0 | - | 4.50 | 49,289 |
| Biggest Cities in Canada | 0 | - | 4.56 | 129,149 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 46,185 |
| Biggest Cities in Italy | 0 | - | 4.74 | 234,514 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.47 | 63,576 |
| Second Biggest Cities by Country | 0 | - | 4.42 | 56,290 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,014 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 44,542 |
| Biggest City by Region | 0 | - | 4.50 | 35,386 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,209 |
| Northernmost Major City by Country | 0 | - | 4.56 | 32,520 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 51,803 |
| Two Largest Cities by First Two Letters | 0 | - | 4.54 | 81,832 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,392 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 48,751 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 51,682 |
| Biggest Cities in Mexico | 0 | - | 4.50 | 37,816 |
| Biggest European Cities by Letter | 0 | - | 4.63 | 124,512 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 64,820 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 82,636 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,461 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 81,901 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 42,959 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,003 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.43 | 39,591 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 53,897 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 23,773 |
| Biggest English-Speaking Cities | 0 | - | 4.43 | 141,586 |
| Biggest Cities in History | 0 | - | 4.52 | 87,343 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 71,259 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 42,473 |
| Biggest World Cities in 1850 | 0 | - | 4.62 | 67,354 |
| Biggest Cities in the Blue Banana | 0 | - | 4.54 | 34,751 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 30,399 |
| Biggest Cities in Portugal | 0 | - | 4.42 | 20,321 |
| Biggest Cities Starting With A | 0 | - | 4.61 | 120,749 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 113,482 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 105,805 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 118,833 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 138,940 |
| Biggest Cities Starting With P | 0 | - | 4.47 | 123,169 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 71,827 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 47,414 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 50,258 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.58 | 41,790 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.43 | 14,253 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.23 | 19,467 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 136,872 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 161,494 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 119,801 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 105,574 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 72,318 |
| Biggest Nordic Cities | 0 | - | 4.38 | 61,006 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,741 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 162,572 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,270 |
| Biggest Cities by Latitude | 0 | - | 4.77 | 27,195 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 36,858 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,101 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 77,913 |
| Biggest Cities by Trait #2 | 0 | - | 4.41 | 15,000 |
| Flags to Largest Cities | 0 | - | 4.54 | 36,780 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.51 | 22,785 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,574 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 106,932 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 91,315 |
| Biggest Cities in Washington State | 0 | - | 4.46 | 35,109 |
| Biggest Cities in North Carolina | 0 | - | 4.68 | 34,233 |
| Biggest World Cities A-Z | 0 | - | 4.56 | 217,116 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,401,392 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 368,997 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 164,982 |
| Countries with Megacities | 0 | - | 4.99 | 224,844 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 191,277 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 108,655 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 130,327 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 76,144 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 307,842 |
| Largest Cities in Alexander's Empire | 0 | - | 4.57 | 39,547 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.27 | 109,927 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 62,577 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,473 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,276 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,596 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 158,723 |
| Biggest Cities Starting With C | 0 | - | 4.10 | 102,599 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 84,651 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 122,966 |
| Biggest Cities Starting With T | 0 | - | 4.28 | 124,871 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 44,858 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.74 | 67,712 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 124,530 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 83,484 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 260,654 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 117,950 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 109,330 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 90,009 |
| Countries by Population Range - Tile Select | 0 | - | 4.86 | 56,329 |
| Jewish Cities Quiz | 0 | - | 4.33 | 61,044 |
| The Most Populous U.S. City by Category | 0 | - | 4.34 | 21,893 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.35 | 99,166 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.15 | 104,638 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 83,733 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 78,812 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.38 | 32,488 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 66,431 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.26 | 72,142 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 80,350 |
| Biggest Cities in California | 0 | - | 4.34 | 137,262 |
| Biggest Cities in Florida | 0 | - | 4.22 | 70,748 |
| Biggest Cities in New York State | 0 | - | 4.32 | 58,585 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 44,645 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 47,998 |
| Biggest Cities in Texas | 0 | - | 4.27 | 117,247 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 24,706 |
| Countries of Europe by Population | 0 | - | 4.98 | 170,343 |
| Most Populous Countries by Year | 0 | - | 4.81 | 105,662 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 93,720 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 123,346 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 103,345 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 109,477 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 86,844 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 90,845 |
