| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 154,151 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 76,142 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 36,900 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.88 | 109,838 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 329,750 |
| Biggest Cities in the World | 0 | - | 4.91 | 758,928 |
| Biggest Cities in Asia | 0 | - | 4.94 | 105,143 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 47,847 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.94 | 47,749 |
| Biggest Cities in Washington State | 0 | - | 4.46 | 34,944 |
| Biggest Cities in North Carolina | 0 | - | 4.68 | 34,057 |
| Biggest City by Time Zone | 0 | - | 4.87 | 62,568 |
| Biggest City in Every Country | 0 | - | 4.98 | 91,771 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 191,441 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 103,609 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 112,720 |
| Biggest Cities with Exceptions | 0 | - | 4.88 | 74,279 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 214,860 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.86 | 79,991 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 130,408 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 401,764 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 74,031 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 45,961 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 109,092 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 66,164 |
| Ten Southernmost Megacities | 0 | - | 4.82 | 49,407 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 63,117 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 121,782 |
| Biggest Cities in the United States | 0 | - | 4.94 | 924,589 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 354,795 |
| Biggest Cities in California | 0 | - | 4.34 | 136,738 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 42,544 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 112,367 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 555,219 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.70 | 58,905 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 77,663 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.85 | 58,743 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.88 | 115,680 |
| Biggest Cities by Language | 0 | - | 4.95 | 225,588 |
| Largest City by Island | 0 | - | 4.89 | 68,131 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.92 | 68,298 |
| Most Populous World Capitals | 0 | - | 4.93 | 170,583 |
| Biggest European Cities by Century | 0 | - | 4.98 | 126,005 |
| Megacities on a World Map | 0 | - | 4.98 | 234,737 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 64,726 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 70,608 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 101,767 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 162,292 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 54,282 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 98,655 |
| Biggest Cities in France - Extreme | 0 | - | 4.89 | 52,453 |
| Largest Nordic Cities on a Map | 0 | - | 4.83 | 34,778 |
| Biggest Cities in Germany | 0 | - | 4.95 | 282,733 |
| Biggest Cities in Florida | 0 | - | 4.22 | 70,506 |
| Biggest Cities in New York State | 0 | - | 4.31 | 58,365 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 44,499 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 47,798 |
| Biggest Cities in Texas | 0 | - | 4.27 | 116,690 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 24,593 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 163,106 |
| Biggest Cities in Europe | 0 | - | 4.74 | 524,413 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 62,397 |
| Megacities on an Empty Map | 0 | - | 4.95 | 94,133 |
| Biggest Cities in Mexico | 0 | - | 4.50 | 37,567 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.86 | 87,695 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 39,907 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 91,291 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 45,245 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 67,091 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 71,506 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 30,378 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.81 | 21,879 |
| Biggest English Cities by Century | 0 | - | 4.89 | 103,799 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 81,304 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 42,792 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 35,881 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.42 | 39,443 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 71,580 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 49,974 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.77 | 71,877 |
| Biggest Mediterranean Cities | 0 | - | 4.56 | 89,471 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.57 | 39,953 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.47 | 63,369 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 51,428 |
| Biggest Cities in New Jersey | 0 | - | 4.12 | 26,479 |
| Biggest Cities in Colorado | 0 | - | 4.04 | 31,437 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 24,483 |
| Biggest Cities in Oregon | 0 | - | 4.11 | 20,003 |
| Biggest Cities in Alaska | 0 | - | 4.27 | 25,125 |
| Biggest Cities in Arizona | 0 | - | 4.29 | 30,613 |
| Biggest Cities in Illinois | 0 | - | 4.34 | 26,120 |
| Biggest Cities in Louisiana | 0 | - | 4.14 | 19,403 |
| Biggest Cities in Massachusetts | 0 | - | 4.38 | 29,635 |
| Biggest Cities in Michigan | 0 | - | 3.98 | 33,545 |
| Biggest Cities in Missouri | 0 | - | 4.23 | 16,840 |
| Biggest Cities in Tennessee | 0 | - | 4.26 | 20,339 |
| Biggest Cities in Indiana | 0 | - | 4.27 | 26,111 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 100,441 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 44,456 |
| Biggest City by Region | 0 | - | 4.50 | 35,247 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,001 |
| U.S. Cities by Hispanic Population | 0 | - | 4.30 | 36,559 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 82,264 |
| Northernmost Major City by Country | 0 | - | 4.56 | 32,376 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 51,676 |
| Two Largest Cities by First Two Letters | 0 | - | 4.54 | 81,498 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 48,625 |
| Biggest English-Speaking Cities | 0 | - | 4.43 | 141,258 |
| Biggest European Cities by Letter | 0 | - | 4.62 | 124,141 |
| Biggest Cities in History | 0 | - | 4.50 | 86,883 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 71,067 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 64,702 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,346 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.40 | 47,124 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.55 | 42,300 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.27 | 108,625 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 67,148 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,109 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 36,225 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 120,169 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 113,040 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 105,216 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 118,267 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 138,306 |
| Biggest Cities Starting With P | 0 | - | 4.47 | 122,592 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,310 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.58 | 41,315 |
| Biggest Urban Areas in the UK | 0 | - | 4.41 | 173,222 |
| Biggest Cities in Japan | 0 | - | 4.68 | 80,773 |
| Biggest Cities in Russia | 0 | - | 4.48 | 80,504 |
| Biggest Cities in France | 0 | - | 4.70 | 215,387 |
| Biggest Cities in Spain | 0 | - | 4.63 | 165,063 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 54,245 |
| Biggest Cities in Poland | 0 | - | 4.57 | 51,937 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.43 | 14,173 |
| Biggest Cities in the UK | 0 | - | 4.47 | 100,992 |
| Biggest Cities in China | 0 | - | 4.47 | 151,559 |
| All Cities in China with Population of 1 Million | 0 | - | 4.78 | 43,379 |
| Cities of Ireland | 0 | - | 4.50 | 49,078 |
| Biggest Cities in Canada | 0 | - | 4.56 | 128,568 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 46,012 |
| Biggest Cities in India | 0 | - | 4.70 | 65,900 |
| Biggest Cities in Italy | 0 | - | 4.70 | 232,958 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 160,633 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 119,012 |
| Fastest Growing U.S. Cities | 0 | - | 4.37 | 72,174 |
| Second Biggest Cities by Country | 0 | - | 4.37 | 44,874 |
| Biggest Nordic Cities | 0 | - | 4.38 | 60,898 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,658 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,182 |
| Biggest Cities by Latitude | 0 | - | 4.77 | 27,123 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.51 | 22,658 |
| The Most Populous U.S. City by Category | 0 | - | 4.34 | 21,801 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 23,679 |
| Biggest Cities in Georgia | 0 | - | 3.96 | 23,192 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,394,526 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 367,573 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 105,196 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 161,932 |
| Largest Cities in Alexander's Empire | 0 | - | 4.57 | 39,479 |
| Biggest Cities in the World - 2100 | 0 | - | 4.23 | 89,407 |
| Flags to Largest Cities | 0 | - | 4.54 | 36,411 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,406 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 30,223 |
| Biggest Cities in Portugal | 0 | - | 4.42 | 20,179 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 106,358 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 90,843 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,527 |
| Biggest World Cities A-Z | 0 | - | 4.61 | 216,099 |
| Biggest Cities Starting With B | 0 | - | 4.35 | 158,075 |
| Biggest Cities Starting With C | 0 | - | 4.10 | 102,203 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 84,311 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 122,396 |
| Biggest Cities Starting With T | 0 | - | 4.28 | 124,336 |
| Word Scramble - U.S. States | 0 | - | 4.96 | 485,626 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 163,022 |
| Countries with Megacities | 0 | - | 4.99 | 222,682 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 189,789 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 107,809 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 129,084 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 75,234 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 303,074 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 44,730 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.74 | 67,508 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 136,308 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 123,641 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 82,921 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 259,609 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 117,251 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 108,612 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 89,415 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 55,811 |
| Jewish Cities Quiz | 0 | - | 4.33 | 60,903 |
| Biggest Cities by Trait #2 | 0 | - | 4.40 | 14,936 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,483 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.35 | 98,673 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.15 | 104,170 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 83,359 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 78,454 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.38 | 32,238 |
