| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,093 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,121 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,278 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,640 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,598 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,098 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,781 |
| Biggest Cities in the World | 0 | - | 4.91 | 797,307 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,026 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,733 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,927 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,859 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,700 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,636 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,142 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,455 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,058 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 133,179 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,545 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,034 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,313 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,591 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,735 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,613 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,762 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,079 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,855 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 63,371 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,465 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,006 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.99 | 101,146 |
| Biggest Cities in the United States | 0 | - | 4.94 | 976,475 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,713 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,125 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,141 |
| Largest City by Island | 0 | - | 4.87 | 71,740 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,829 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,757 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,308 |
| Megacities on a World Map | 0 | - | 4.98 | 253,681 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,222 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,871 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 577,356 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,257 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,781 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,929 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,785 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,350 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,339 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,129 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,710 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,161 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,997 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,570 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,124 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,974 |
| Biggest Cities in Europe | 0 | - | 4.73 | 545,746 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 73,040 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,770 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,494 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,197 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,131 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,730 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,755 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,970 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,160 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,445 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,500 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 113,968 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,268 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,828 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,449 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,513 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,195 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 18,047 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 116,502 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,422 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,261 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 65,245 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,147 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,453 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,060 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,938 |
| Biggest City by Region | 0 | - | 4.50 | 36,137 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,063 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,163 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,334 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,197 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,385 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 53,045 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,274 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,582 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,457 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,381 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,964 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,364 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,846 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,411 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 152,443 |
| Biggest Cities in History | 0 | - | 4.52 | 90,048 |
| Top 10 World Cities Through History | 0 | - | 4.42 | 76,690 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,371 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,500 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,415 |
| Biggest Cities in the Blue Banana | 0 | - | 4.56 | 36,338 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,163 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,491 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,256 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,569 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,172 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,931 |
| US States Quiz | 0 | - | 5.00 | 16,845,550 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,904 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 37,039 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 176,227 |
| Biggest Cities in Japan | 0 | - | 4.69 | 82,981 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,337 |
| Biggest Cities in France | 0 | - | 4.70 | 223,708 |
| Biggest Cities in Spain | 0 | - | 4.63 | 170,964 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,927 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,822 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,615 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,122 |
| Biggest Cities in China | 0 | - | 4.52 | 158,345 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,180 |
| Biggest Cities in India | 0 | - | 4.64 | 67,693 |
| Biggest Cities in Italy | 0 | - | 4.77 | 240,860 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,745 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,983 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,387 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,684 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,013 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,566 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,042 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,423 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,765 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,542 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,143 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,187 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,556 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,805 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,290 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,572 |
| 100 Biggest Soviet Cities in 1989 with a Map | 0 | - | 4.97 | 29,789 |
| Cities of Ireland | 0 | - | 4.51 | 50,591 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,179 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,931 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,045 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,157 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,045 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 222,829 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 130,292 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,440 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 331,363 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,927 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,888 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,147 |
| Countries with Megacities | 0 | - | 4.99 | 261,613 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,014 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,064 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,299 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,094 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,934 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,382 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,882 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,822 |
| Largest Cities once part of the Byzantine Empire | 0 | - | 4.83 | 21,540 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,962 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,915 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,558 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,191 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,005 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,417 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,104 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,687,454 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,718 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,208 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,125 |
| US States with an Empty Map | 0 | - | 5.00 | 623,692 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,837 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,455 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,994 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,612 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 59,489 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,781 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,995 |
| Biggest Cities Ever Under Danish Rule | 0 | - | 4.49 | 16,202 |
| Cities in European Economic Areas on a Map | 0 | - | 4.69 | 17,532 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,159 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,885 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,178 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,014 |
| Costa Rica Country Quiz | 0 | - | 4.75 | 32,148 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,299 |
| Rivers of the United States | 0 | - | 4.93 | 66,099 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,581 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,548 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,478 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,864 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,852 |
