| African Cities in the Top 200 Worldwide | 0 | - | 4.93 | 40,980 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 197,120 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 108,094 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 300,881 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 95,870 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 90,466 |
| Biggest Cities in the World | 0 | - | 4.89 | 676,949 |
| Biggest Cities in Asia | 0 | - | 4.94 | 94,780 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 42,840 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 90,254 |
| Biggest Cities in France - Extreme | 0 | - | 4.88 | 42,815 |
| Biggest City by Time Zone | 0 | - | 4.82 | 53,150 |
| Biggest City in Every Country | 0 | - | 4.97 | 77,282 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 166,788 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 90,613 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 94,163 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 53,454 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.85 | 69,889 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 366,610 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.94 | 63,985 |
| Biggest Cities in Deserts | 0 | - | 4.93 | 41,915 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 58,911 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 54,237 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 104,704 |
| Biggest Cities in the United States | 0 | - | 4.92 | 806,833 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 320,376 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 108,038 |
| Biggest Cities by Language | 0 | - | 4.95 | 212,222 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 64,412 |
| Most Populous World Capitals | 0 | - | 4.92 | 146,274 |
| Biggest European Cities by Century | 0 | - | 4.97 | 117,561 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 130,328 |
| Megacities on a World Map | 0 | - | 4.98 | 218,846 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.82 | 43,618 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 507,907 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 59,316 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 62,596 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 68,719 |
| 500 Biggest US Cities | 0 | - | 4.84 | 95,948 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 82,680 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 149,782 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 50,466 |
| Biggest Cities in Germany | 0 | - | 4.94 | 260,426 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 153,534 |
| Biggest Cities in Europe | 0 | - | 4.78 | 454,527 |
| Megacities on an Empty Map | 0 | - | 4.96 | 86,657 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.90 | 28,254 |
| Biggest Cities in Sweden | 0 | - | 4.83 | 36,949 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 74,420 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.82 | 63,012 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 67,009 |
| Cities of China (With Some Help) | 0 | - | 4.86 | 27,958 |
| Biggest English Cities by Century | 0 | - | 4.89 | 98,692 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.79 | 68,248 |
| Biggest Mediterranean Cities | 0 | - | 4.57 | 86,097 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.57 | 35,379 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.64 | 36,411 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.46 | 59,924 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.48 | 97,261 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 42,845 |
| Biggest City by Region | 0 | - | 4.48 | 33,174 |
| Most Populous 2nd Cities | 0 | - | 4.72 | 52,931 |
| Largest World Capitals with Exceptions | 0 | - | 4.71 | 50,185 |
| Two Largest Cities by First Two Letters | 0 | - | 4.58 | 67,548 |
| Ten Northernmost Megacities | 0 | - | 4.49 | 46,779 |
| Ten Southernmost Megacities | 0 | - | 4.80 | 45,957 |
| Biggest European Cities by Letter | 0 | - | 4.64 | 117,983 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.59 | 62,682 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.96 | 70,189 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.49 | 55,425 |
| U.S. States by Second Most Populous City | 0 | - | 4.44 | 39,994 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 33,749 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.79 | 51,655 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.47 | 20,501 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 32,452 |
| Biggest English-Speaking Cities | 0 | - | 4.42 | 135,601 |
| Biggest City by Island | 0 | - | 4.57 | 45,580 |
| Biggest Cities in History | 0 | - | 4.49 | 79,323 |
| Top 10 World Cities Through History | 0 | - | 4.42 | 67,606 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.50 | 39,809 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.24 | 88,770 |
| Largest Nordic Cities on a Map | 0 | - | 4.72 | 22,728 |
| Biggest World Cities in 1850 | 0 | - | 4.58 | 64,253 |
| Biggest Cities Starting With A | 0 | - | 4.55 | 110,922 |
| Biggest Cities Starting With D | 0 | - | 4.48 | 106,035 |
| Biggest Cities Starting With H | 0 | - | 4.53 | 96,583 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 109,410 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 127,331 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 113,358 |
| Largest World Cities With Four Letters | 0 | - | 4.43 | 43,021 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.43 | 61,207 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.46 | 37,601 |
| Biggest Cities in Japan | 0 | - | 4.65 | 74,806 |
| Biggest Cities in Russia | 0 | - | 4.49 | 75,834 |
| Biggest Cities in France | 0 | - | 4.76 | 197,065 |
| Biggest Cities in Spain | 0 | - | 4.50 | 151,999 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 49,594 |
| Biggest Cities in Poland | 0 | - | 4.56 | 47,537 |
| Biggest Cities in the UK | 0 | - | 4.45 | 92,398 |
| Biggest Cities in China | 0 | - | 4.64 | 136,444 |
| Cities of Ireland | 0 | - | 4.43 | 39,393 |
| Biggest Cities in Canada | 0 | - | 4.67 | 119,411 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 43,214 |
| Biggest Cities in India | 0 | - | 4.71 | 61,852 |
| Biggest Cities in Italy | 0 | - | 4.65 | 215,062 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 135,973 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 108,666 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.79 | 98,354 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 69,879 |
| Second Biggest Cities Quiz | 0 | - | 4.25 | 38,824 |
| Biggest Nordic Cities | 0 | - | 4.37 | 59,497 |
| Biggest Coastal City by Country | 0 | - | 4.59 | 26,945 |
| Five Biggest Cities by Country | 0 | - | 4.66 | 150,841 |
| Biggest City by Region #2 | 0 | - | 4.45 | 22,824 |
| Biggest Cities by Latitude | 0 | - | 4.76 | 26,112 |
| Northernmost Major City by Country | 0 | - | 4.55 | 30,641 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.70 | 55,951 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.71 | 74,073 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.79 | 42,346 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.45 | 28,560 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 47,983 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.74 | 63,267 |
| All Cities in China with Population of 1 Million | 0 | - | 4.77 | 37,744 |
| All Cities in India with Population of 1 Million | 0 | - | 4.79 | 40,336 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 22,639 |
| Biggest Cities in North Carolina | 0 | - | 4.66 | 31,689 |
| Biggest World Cities A-Z | 0 | - | 4.55 | 191,786 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,300,090 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 347,131 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 123,846 |
| Countries with Megacities | 0 | - | 4.99 | 194,279 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 169,037 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 96,648 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 93,398 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 62,512 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 244,546 |
| Largest Cities in Alexander's Empire | 0 | - | 4.56 | 38,473 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 36,743 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 52,327 |
| Biggest Cities in the World - 2100 | 0 | - | 4.29 | 79,986 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 24,302 |
| Cities on Interstate 90 on a Map | 0 | - | 4.39 | 24,988 |
| Biggest Urban Areas in the UK | 0 | - | 4.40 | 166,978 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.45 | 28,334 |
| Biggest Cities in Portugal | 0 | - | 4.41 | 18,646 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 39,734 |
| Biggest Cities Starting With B | 0 | - | 4.35 | 146,388 |
| Biggest Cities Starting With C | 0 | - | 4.07 | 96,030 |
| Biggest Cities Starting With K | 0 | - | 4.29 | 78,104 |
| Biggest Cities Starting With S | 0 | - | 4.39 | 113,650 |
| Biggest Cities Starting With T | 0 | - | 4.30 | 115,238 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.79 | 64,584 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.41 | 12,865 |
| Biggest Cities in Mexico | 0 | - | 4.54 | 28,669 |
| Biggest U.S. Cities A-Z | 0 | - | 4.59 | 121,596 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 116,156 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 65,195 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 243,096 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 108,077 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 89,399 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.93 | 64,281 |
| Countries by Population Range - Tile Select | 0 | - | 4.86 | 49,922 |
| Jewish Cities Quiz | 0 | - | 4.31 | 59,054 |
| U.S. Cities by Hispanic Population | 0 | - | 4.26 | 24,426 |
| Biggest Cities by Trait #2 | 0 | - | 4.37 | 14,057 |
| Flags to Largest Cities | 0 | - | 4.57 | 30,686 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 16,115 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.36 | 82,744 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.36 | 69,249 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.28 | 77,549 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 83,217 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.15 | 65,698 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.23 | 61,445 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.22 | 59,724 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.27 | 67,125 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 27,725 |
| Biggest Cities in California | 0 | - | 4.35 | 129,630 |
| Biggest Cities in Florida | 0 | - | 4.19 | 66,983 |
| Biggest Cities in New York State | 0 | - | 4.29 | 55,502 |
| Biggest Cities in Pennsylvania | 0 | - | 4.14 | 42,475 |
| Biggest Cities in Ohio | 0 | - | 4.36 | 45,457 |
| Biggest Cities in Texas | 0 | - | 4.26 | 110,757 |
| Biggest Cities in Wisconsin | 0 | - | 4.45 | 23,215 |
| Countries of Europe by Population | 0 | - | 4.98 | 124,193 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 78,149 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 95,411 |
| Countries with the Most People Bordering Them | 0 | - | 4.95 | 74,294 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 92,435 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 64,305 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 85,387 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 27,204 |
| Cities in Squares on a Map - North America | 0 | - | 4.36 | 19,161 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.20 | 16,740 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 203,758 |
| First Countries to Reach 5 Million People | 0 | - | 4.90 | 108,708 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.85 | 68,120 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.98 | 75,543 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.91 | 53,268 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.92 | 66,483 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 86,170 |
