| African Cities in the Top 200 Worldwide | 0 | - | 4.93 | 41,657 |
| Biggest Cities in the World | 0 | - | 4.89 | 686,242 |
| Biggest Cities in Asia | 0 | - | 4.94 | 95,791 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 43,388 |
| Biggest Cities in Germany | 0 | - | 4.95 | 262,803 |
| Biggest Cities in Sweden | 0 | - | 4.83 | 37,224 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 75,971 |
| Biggest City by Time Zone | 0 | - | 4.84 | 54,304 |
| Biggest City in Every Country | 0 | - | 4.97 | 78,712 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 169,556 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 91,981 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 96,094 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 64,843 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 199,071 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.86 | 71,358 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 109,193 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 370,947 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.94 | 65,150 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 42,328 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 303,829 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 97,382 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 59,651 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 46,345 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 55,138 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 106,290 |
| Biggest Cities in the United States | 0 | - | 4.92 | 815,288 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 333,635 |
| Cities of China (With Some Help) | 0 | - | 4.86 | 28,176 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 108,963 |
| Biggest Cities by Language | 0 | - | 4.95 | 213,816 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.94 | 64,811 |
| Most Populous World Capitals | 0 | - | 4.92 | 148,392 |
| Biggest European Cities by Century | 0 | - | 4.98 | 118,743 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 131,599 |
| Megacities on a World Map | 0 | - | 4.98 | 220,600 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.84 | 43,907 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.91 | 91,800 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 513,059 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 59,823 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 63,371 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 69,414 |
| 500 Biggest US Cities | 0 | - | 4.87 | 97,945 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.81 | 52,310 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 84,227 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 151,113 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 50,898 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 91,020 |
| Biggest Cities in France - Extreme | 0 | - | 4.89 | 43,682 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 154,806 |
| Biggest Cities in Europe | 0 | - | 4.76 | 464,068 |
| Megacities on an Empty Map | 0 | - | 4.95 | 87,497 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.90 | 28,987 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.82 | 63,718 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 67,833 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 32,904 |
| Biggest English Cities by Century | 0 | - | 4.90 | 99,544 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.79 | 68,744 |
| Biggest Mediterranean Cities | 0 | - | 4.57 | 86,544 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.63 | 36,825 |
| Biggest Cities in Japan | 0 | - | 4.66 | 75,298 |
| Biggest Cities in Russia | 0 | - | 4.49 | 76,367 |
| Biggest Cities in France | 0 | - | 4.76 | 199,263 |
| Biggest Cities in Spain | 0 | - | 4.50 | 153,420 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 50,136 |
| Biggest Cities in Poland | 0 | - | 4.56 | 48,042 |
| Biggest Cities in the UK | 0 | - | 4.46 | 93,378 |
| Biggest Cities in China | 0 | - | 4.64 | 138,312 |
| Cities of Ireland | 0 | - | 4.43 | 39,709 |
| Biggest Cities in Canada | 0 | - | 4.66 | 120,352 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 43,541 |
| Biggest Cities in India | 0 | - | 4.72 | 62,344 |
| Biggest Cities in Italy | 0 | - | 4.65 | 216,972 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.44 | 60,333 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.48 | 97,523 |
| Biggest Cities by Trait #1 | 0 | - | 4.45 | 43,054 |
| Biggest City by Region | 0 | - | 4.49 | 33,628 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 53,350 |
| Largest World Capitals with Exceptions | 0 | - | 4.72 | 50,358 |
| Two Largest Cities by First Two Letters | 0 | - | 4.58 | 76,546 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 47,007 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 48,341 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.76 | 64,416 |
| All Cities in China with Population of 1 Million | 0 | - | 4.79 | 38,570 |
| All Cities in India with Population of 1 Million | 0 | - | 4.79 | 40,915 |
| Biggest European Cities by Letter | 0 | - | 4.65 | 118,851 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.65 | 62,907 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.97 | 77,912 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.49 | 56,994 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 40,305 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 33,964 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 22,751 |
| Biggest English-Speaking Cities | 0 | - | 4.42 | 136,159 |
| Biggest City by Island | 0 | - | 4.57 | 45,758 |
| Biggest Cities in History | 0 | - | 4.50 | 80,176 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 67,939 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.50 | 40,110 |
| Biggest World Cities in 1850 | 0 | - | 4.58 | 64,562 |
| Biggest Urban Areas in the UK | 0 | - | 4.40 | 167,698 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 28,536 |
| Biggest Cities in Portugal | 0 | - | 4.41 | 18,779 |
| Biggest Cities Starting With A | 0 | - | 4.55 | 112,131 |
| Biggest Cities Starting With D | 0 | - | 4.49 | 106,815 |
| Biggest Cities Starting With H | 0 | - | 4.55 | 97,574 |
| Biggest Cities Starting With L | 0 | - | 4.45 | 110,408 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 128,722 |
| Biggest Cities Starting With P | 0 | - | 4.47 | 114,631 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 43,225 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 61,533 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.46 | 37,771 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.57 | 35,998 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.41 | 13,109 |
| Biggest Cities in Mexico | 0 | - | 4.55 | 29,208 |
| Biggest U.S. Cities A-Z | 0 | - | 4.63 | 122,062 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 137,081 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 109,669 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.79 | 99,084 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 70,169 |
| Second Biggest Cities Quiz | 0 | - | 4.25 | 38,970 |
| Biggest Nordic Cities | 0 | - | 4.38 | 59,654 |
| Biggest Coastal City by Country | 0 | - | 4.59 | 27,023 |
| Five Biggest Cities by Country | 0 | - | 4.67 | 152,390 |
| Biggest City by Region #2 | 0 | - | 4.46 | 23,106 |
| Biggest Cities by Latitude | 0 | - | 4.76 | 26,233 |
| Northernmost Major City by Country | 0 | - | 4.56 | 30,855 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.70 | 56,281 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.71 | 74,502 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.79 | 42,458 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 28,704 |
| Flags to Largest Cities | 0 | - | 4.54 | 31,894 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.47 | 20,697 |
| Saint Lucia Country Quiz | 0 | - | 4.66 | 16,275 |
| Biggest Cities in North Carolina | 0 | - | 4.66 | 31,926 |
| Biggest World Cities A-Z | 0 | - | 4.55 | 193,783 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,310,185 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 349,322 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 125,643 |
| Countries with Megacities | 0 | - | 4.99 | 196,864 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 171,230 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 97,769 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 95,140 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 63,731 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 247,520 |
| Largest Cities in Alexander's Empire | 0 | - | 4.56 | 38,608 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 37,188 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.25 | 91,106 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 52,579 |
| Biggest Cities in the World - 2100 | 0 | - | 4.29 | 81,087 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 24,433 |
| Largest Nordic Cities on a Map | 0 | - | 4.76 | 23,230 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.21 | 17,034 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 39,809 |
| Biggest Cities Starting With B | 0 | - | 4.35 | 147,934 |
| Biggest Cities Starting With C | 0 | - | 4.07 | 96,950 |
| Biggest Cities Starting With K | 0 | - | 4.30 | 78,735 |
| Biggest Cities Starting With S | 0 | - | 4.39 | 114,584 |
| Biggest Cities Starting With T | 0 | - | 4.30 | 116,179 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.79 | 64,975 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 116,924 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 66,026 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 244,859 |
| Most Populous Countries with Exceptions | 0 | - | 4.97 | 108,921 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 89,896 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.93 | 69,252 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 50,447 |
| Jewish Cities Quiz | 0 | - | 4.31 | 59,251 |
| U.S. Cities by Hispanic Population | 0 | - | 4.26 | 24,541 |
| Biggest Cities by Trait #2 | 0 | - | 4.38 | 14,169 |
| The Most Populous U.S. City by Category | 0 | - | 4.36 | 14,686 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.36 | 83,641 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.38 | 70,026 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.28 | 78,320 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 83,647 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.15 | 65,999 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.23 | 61,764 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.22 | 60,004 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.27 | 67,424 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 27,904 |
| Biggest Cities in California | 0 | - | 4.35 | 130,358 |
| Biggest Cities in Florida | 0 | - | 4.20 | 67,320 |
| Biggest Cities in New York State | 0 | - | 4.29 | 55,799 |
| Biggest Cities in Pennsylvania | 0 | - | 4.14 | 42,646 |
| Biggest Cities in Ohio | 0 | - | 4.36 | 45,674 |
| Biggest Cities in Texas | 0 | - | 4.26 | 111,315 |
| Biggest Cities in Wisconsin | 0 | - | 4.45 | 23,363 |
| Countries of Europe by Population | 0 | - | 4.98 | 126,413 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 78,588 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 96,436 |
| Countries with the Most People Bordering Them | 0 | - | 4.95 | 75,160 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 93,348 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 69,570 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 85,863 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 28,407 |
| Cities in Squares on a Map - North America | 0 | - | 4.36 | 19,352 |
| Cities on Interstate 90 on a Map | 0 | - | 4.40 | 25,224 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 205,098 |
| First Countries to Reach 5 Million People | 0 | - | 4.90 | 109,499 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.86 | 68,560 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 76,082 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.91 | 53,630 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.92 | 66,896 |
