| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,711 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,797 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,016 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,254 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,075 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,829 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,118 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 343,572 |
| Biggest Cities in the World | 0 | - | 4.91 | 793,974 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,139 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,729 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,569 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,149 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,394 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 223,282 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,450 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 131,736 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,016 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,232 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,937 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,132 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 415,361 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,101 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,420 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,386 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,499 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,036 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 67,080 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,268 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.98 | 100,371 |
| Biggest Cities in the United States | 0 | - | 4.93 | 971,827 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,825 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,433 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,781 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 575,454 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,490 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,403 |
| Largest City by Island | 0 | - | 4.87 | 71,400 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,590 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,955 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,960 |
| Megacities on a World Map | 0 | - | 4.98 | 252,323 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,582 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,029 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,367 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,834 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,717 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,272 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,607 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,001 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,456 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,736 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,896 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,796 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,642 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,377 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,193 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,039 |
| Biggest Cities in Germany | 0 | - | 4.95 | 292,312 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,414 |
| Biggest Cities in Europe | 0 | - | 4.70 | 543,661 |
| Biggest Cities in Latin America | 0 | - | 4.47 | 64,581 |
| Megacities on an Empty Map | 0 | - | 4.97 | 117,372 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,094 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,060 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,713 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,048 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 97,808 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,329 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 113,320 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,696 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,279 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,393 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,987 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 38,147 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.29 | 115,839 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,258 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,159 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,308 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,207 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,990 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,838 |
| Biggest City by Region | 0 | - | 4.50 | 36,068 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 57,000 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,212 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,102 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,285 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,074 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,320 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,995 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,095 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,798 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,406 |
| Biggest Cities in History | 0 | - | 4.52 | 89,373 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,215 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,397 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,907 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,278 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,260 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,311 |
| Biggest Cities in the Blue Banana | 0 | - | 4.56 | 36,199 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,305 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,724 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,846 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 116,245 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,929 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,252 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,795 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,303 |
| US States Quiz | 0 | - | 5.00 | 16,778,515 |
| U.S. States that Border Canada | 0 | - | 4.91 | 183,642 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,039 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,053 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,770 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,665 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,927 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 176,045 |
| Biggest Cities in Japan | 0 | - | 4.69 | 82,760 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,184 |
| Biggest Cities in France | 0 | - | 4.70 | 223,088 |
| Biggest Cities in Spain | 0 | - | 4.64 | 170,440 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,797 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,904 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,650 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,117 |
| Biggest Cities in the UK | 0 | - | 4.48 | 104,483 |
| Biggest Cities in China | 0 | - | 4.52 | 157,745 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,070 |
| Biggest Cities in India | 0 | - | 4.70 | 67,512 |
| Biggest Cities in Italy | 0 | - | 4.77 | 240,245 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,278 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,530 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,815 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,940 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,508 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,004 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,717 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,511 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,402 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,505 |
| 100 Biggest Soviet Cities in 1989 with a Map | 0 | - | 4.97 | 29,681 |
| Largest Cities once part of the Byzantine Empire | 0 | - | 4.83 | 21,457 |
| Cities of Ireland | 0 | - | 4.51 | 50,487 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,141 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,053 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,977 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,682,906 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 329,778 |
| US States with an Empty Map | 0 | - | 5.00 | 621,348 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,439,877 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,831 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,504 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,055 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,901 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,302 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,822 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,069 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,785 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,887 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,590 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,767 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,878 |
| Biggest World Cities A-Z | 0 | - | 4.62 | 222,280 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,204 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,982 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,825 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,094 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,782 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,401 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,817 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,943 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,324 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,083 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,505 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,503 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,263 |
| Countries with Megacities | 0 | - | 4.99 | 248,913 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,115 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,538 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,473 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,491 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 50,972 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,665 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,942 |
| Biggest Cities Ever Under Danish Rule | 0 | - | 4.49 | 16,160 |
| Cities in European Economic Areas on a Map | 0 | - | 4.69 | 17,287 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,594 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 138,974 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,072 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,791 |
| Countries Closest to Maine | 0 | - | 4.85 | 66,749 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,981 |
| Rivers of the United States | 0 | - | 4.93 | 65,821 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,711 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,217 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,080 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,514 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,689 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,422 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,270 |
