| All 1M Cities by Proximity | 0 | - | 5.00 | 558,882 |
| Biggest Cities in the World | 0 | - | 4.91 | 764,764 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 331,789 |
| Biggest City by Time Zone | 0 | - | 4.86 | 63,298 |
| Biggest City in Every Country | 0 | - | 4.98 | 92,900 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 193,632 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 104,554 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 113,935 |
| Biggest Cities with Exceptions | 0 | - | 4.88 | 75,031 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.86 | 80,682 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 403,970 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 74,859 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 46,261 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 66,719 |
| Ten Southernmost Megacities | 0 | - | 4.82 | 49,658 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 63,768 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 123,091 |
| Biggest Cities in the United States | 0 | - | 4.94 | 932,438 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 356,781 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 216,003 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 131,206 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 110,025 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.88 | 116,176 |
| Biggest Cities by Language | 0 | - | 4.95 | 226,482 |
| Largest City by Island | 0 | - | 4.89 | 68,662 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.92 | 68,605 |
| Most Populous World Capitals | 0 | - | 4.93 | 171,289 |
| Biggest European Cities by Century | 0 | - | 4.98 | 126,438 |
| Megacities on a World Map | 0 | - | 4.98 | 235,975 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 43,098 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 65,131 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 71,212 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.85 | 59,336 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 102,698 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 163,132 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 163,906 |
| Biggest Cities in Asia | 0 | - | 4.94 | 105,814 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 48,166 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 99,092 |
| Megacities on an Empty Map | 0 | - | 4.96 | 94,618 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.94 | 48,200 |
| Biggest Cities Starting With A | 0 | - | 4.61 | 120,734 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 113,473 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 105,788 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 118,821 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 138,927 |
| Biggest Cities Starting With P | 0 | - | 4.47 | 123,154 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 67,358 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 71,785 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 154,915 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 113,069 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 76,615 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.94 | 37,613 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.88 | 110,992 |
| Second Biggest Cities by Country | 0 | - | 4.42 | 56,238 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,013 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 44,539 |
| Biggest City by Region | 0 | - | 4.50 | 35,376 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,201 |
| Northernmost Major City by Country | 0 | - | 4.56 | 32,516 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 51,795 |
| Two Largest Cities by First Two Letters | 0 | - | 4.54 | 81,824 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 48,749 |
| Biggest Cities in Europe | 0 | - | 4.74 | 527,751 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 54,533 |
| Biggest Cities in France - Extreme | 0 | - | 4.89 | 53,218 |
| Largest Nordic Cities on a Map | 0 | - | 4.82 | 35,216 |
| Biggest Cities in Germany | 0 | - | 4.95 | 284,332 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 158,702 |
| Biggest Cities Starting With C | 0 | - | 4.10 | 102,588 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 84,642 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 122,954 |
| Biggest Cities Starting With T | 0 | - | 4.28 | 124,860 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 161,470 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 119,787 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.97 | 70,762 |
| Biggest English-Speaking Cities | 0 | - | 4.43 | 141,577 |
| Biggest Cities in History | 0 | - | 4.52 | 87,328 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 71,257 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 42,471 |
| Biggest World Cities in 1850 | 0 | - | 4.62 | 67,348 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.87 | 89,117 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,103 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 92,361 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 45,617 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 72,316 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,738 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,265 |
| Biggest Cities by Latitude | 0 | - | 4.77 | 27,193 |
| Biggest Cities by Trait #2 | 0 | - | 4.41 | 14,998 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 30,557 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.78 | 72,083 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 90,019 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.57 | 40,166 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,401,199 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 368,954 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 164,951 |
| Countries with Megacities | 0 | - | 4.99 | 224,791 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 191,224 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 108,635 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 130,298 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 76,117 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 307,733 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 105,553 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.47 | 63,570 |
| Biggest English Cities by Century | 0 | - | 4.90 | 104,393 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 162,553 |
| Flags to Largest Cities | 0 | - | 4.54 | 36,768 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 106,923 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 91,306 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,594 |
| Biggest World Cities A-Z | 0 | - | 4.56 | 217,090 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 124,514 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 83,471 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 260,629 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 117,921 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 109,177 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 89,990 |
| Countries by Population Range - Tile Select | 0 | - | 4.86 | 56,311 |
| Biggest European Cities by Letter | 0 | - | 4.63 | 124,503 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 64,816 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 44,855 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,454 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 81,884 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.27 | 109,887 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 42,954 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,001 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.43 | 39,589 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,274 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 36,518 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 82,620 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 71,823 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 47,400 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 50,250 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.58 | 41,775 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 173,951 |
| Biggest Cities in Japan | 0 | - | 4.64 | 81,083 |
| Biggest Cities in Russia | 0 | - | 4.48 | 80,815 |
| Biggest Cities in France | 0 | - | 4.72 | 216,600 |
| Biggest Cities in Spain | 0 | - | 4.63 | 165,946 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 54,533 |
| Biggest Cities in Poland | 0 | - | 4.58 | 52,234 |
| Biggest Cities in the UK | 0 | - | 4.47 | 101,542 |
| Biggest Cities in China | 0 | - | 4.48 | 152,497 |
| Cities of Ireland | 0 | - | 4.50 | 49,280 |
| Biggest Cities in Canada | 0 | - | 4.56 | 129,133 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 46,178 |
| Biggest Cities in India | 0 | - | 4.70 | 66,170 |
| Biggest Cities in Italy | 0 | - | 4.74 | 234,483 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 136,861 |
| Countries of Europe by Population | 0 | - | 4.98 | 170,292 |
| Most Populous Countries by Year | 0 | - | 4.81 | 105,638 |
| Most Populous Country by First Two Letters | 0 | - | 4.70 | 69,958 |
| Demographics Multiple Choice | 0 | - | 4.70 | 41,622 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 93,706 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 123,277 |
| Countries with the Most People Bordering Them | 0 | - | 4.98 | 103,328 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 109,456 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 86,829 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 90,838 |
| Jewish Cities Quiz | 0 | - | 4.33 | 61,038 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,096 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 77,908 |
| Biggest Cities Near a Border | 0 | - | 4.21 | 31,148 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,391 |
| Cities in Squares on a Map - North America | 0 | - | 4.30 | 20,903 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 51,674 |
| Biggest Cities in Mexico | 0 | - | 4.50 | 37,810 |
| All Cities in China with Population of 1 Million | 0 | - | 4.78 | 43,715 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.35 | 99,157 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.15 | 104,628 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 83,726 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 78,807 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.38 | 32,485 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 66,426 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.26 | 72,136 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 80,338 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 217,626 |
| First Countries to Reach 5 Million People | 0 | - | 4.92 | 131,868 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.86 | 73,737 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 81,884 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.92 | 65,303 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.93 | 71,458 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 94,096 |
| Countries with the Highest Population Density | 0 | - | 4.94 | 161,355 |
| Countries with the Lowest Population Density | 0 | - | 4.98 | 165,754 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 225,367 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 177,578 |
| Top 10 Most Populous African Countries | 0 | - | 4.99 | 187,469 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 100,732 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.93 | 106,029 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 155,723 |
| Biggest Nordic Cities | 0 | - | 4.38 | 61,003 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 36,844 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,469 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.51 | 22,782 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 23,770 |
| Most Populous Countries in 1900 | 0 | - | 4.91 | 170,181 |
| Name the Constellations - With a Map | 0 | - | 4.91 | 34,345 |
| Most Populous Islands | 0 | - | 4.78 | 119,904 |
