| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,519 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,629 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,885 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,020 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,800 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,688 |
| Biggest Cities in the World | 0 | - | 4.91 | 792,406 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 342,857 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,850 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,654 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,461 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 414,620 |
| Biggest Cities in the United States | 0 | - | 4.93 | 969,364 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,360 |
| Biggest City by Time Zone | 0 | - | 4.88 | 66,965 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,106 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 222,717 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,209 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 131,041 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,820 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,904 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,756 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,894 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,860 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,272 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,133 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,365 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,892 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,915 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,879 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 574,450 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,054 |
| Biggest Cities by Language | 0 | - | 4.96 | 244,008 |
| Largest City by Island | 0 | - | 4.87 | 71,233 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,515 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,784 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,690 |
| Megacities on a World Map | 0 | - | 4.98 | 251,697 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,584 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,424 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,936 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,132 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,764 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,671 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,214 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,195 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,430 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,246 |
| Biggest Cities in Europe | 0 | - | 4.70 | 543,001 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,732 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,709 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,024 |
| Megacities on an Empty Map | 0 | - | 4.97 | 113,703 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,870 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,530 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,627 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,211 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 94,780 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,448 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,008 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 97,445 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,174 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 38,077 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,333 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,178 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,104 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,131 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,690 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,678 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 173,162 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,075 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,947 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,784 |
| Biggest City by Region | 0 | - | 4.50 | 36,035 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,958 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,065 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,255 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,996 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,288 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,678 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,615 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,329 |
| Biggest Cities in History | 0 | - | 4.52 | 89,254 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,179 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,352 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,120 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,889 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,242 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,252 |
| The Most Populous U.S. City by Category | 0 | - | 4.36 | 22,286 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,626 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,711 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 116,158 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,803 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,129 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,665 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,181 |
| US States Quiz | 0 | - | 5.00 | 16,741,589 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,070 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,313 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 325,657 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,894 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,989 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,698 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,490 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,827 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,556 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,315 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,317 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,579 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,860 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,981 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 175,937 |
| Biggest Cities in Japan | 0 | - | 4.68 | 82,654 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,103 |
| Biggest Cities in France | 0 | - | 4.69 | 222,762 |
| Biggest Cities in Spain | 0 | - | 4.63 | 170,174 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,728 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,547 |
| Biggest Cities in the UK | 0 | - | 4.47 | 104,343 |
| Biggest Cities in China | 0 | - | 4.52 | 157,382 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,019 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,027 |
| Biggest Cities in India | 0 | - | 4.70 | 67,424 |
| Biggest Cities in Italy | 0 | - | 4.75 | 239,907 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,695 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,989 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 78,982 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,753 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,819 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,044 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,693 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,021 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,571 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,831 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 241,598 |
| Mexico States Map Quiz | 0 | - | 4.84 | 104,020 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,387 |
| States of Mexico | 0 | - | 4.95 | 173,996 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 328,964 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,437,646 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,299 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 171,854 |
| Countries with Megacities | 0 | - | 4.99 | 248,072 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 197,729 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,319 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,118 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,267 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,422 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,483 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 165,885 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,797 |
| Flags to Largest Cities | 0 | - | 4.54 | 50,931 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,468 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,118 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,439 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,625 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,865 |
| Biggest World Cities A-Z | 0 | - | 4.62 | 221,980 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,034 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,892 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,759 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 125,973 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,639 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,736 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,052 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,547 |
| Pixelated United States Map | 0 | - | 4.89 | 93,661 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,011 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,632 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,664 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,008 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,246 |
| U.S. States By Population | 0 | - | 4.92 | 152,581 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,669 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,016 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,753 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,862 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 65,066 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.29 | 115,503 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,765 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,021 |
| Cities of Ireland | 0 | - | 4.51 | 50,410 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,859 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 35,992 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,931 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,680,311 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,229 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,252 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,691 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,940 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,632 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,873 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,231 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,874 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,062 |
| US States with an Empty Map | 0 | - | 5.00 | 620,143 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,027 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,869 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,227 |
