| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,031 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,060 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,226 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,576 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,482 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,037 |
| Biggest Cities in the World | 0 | - | 4.91 | 796,635 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,755 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,643 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,891 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,805 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,487 |
| Biggest Cities in the United States | 0 | - | 4.94 | 975,529 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,531 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,466 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,908 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,126 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,887 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,815 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,373 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,893 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,207 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,511 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,459 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,673 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,968 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,770 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 58,960 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,370 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,843 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 577,005 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,025 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,996 |
| Largest City by Island | 0 | - | 4.87 | 71,668 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,783 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,670 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,243 |
| Megacities on a World Map | 0 | - | 4.98 | 253,357 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,135 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,816 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,207 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,703 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,911 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,774 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,338 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,217 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,074 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,897 |
| Biggest Cities in Europe | 0 | - | 4.73 | 545,380 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,959 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,645 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,510 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,103 |
| Biggest Cities in Germany | 0 | - | 4.95 | 292,997 |
| Biggest Cities in Latin America | 0 | - | 4.47 | 64,670 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,792 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,397 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,637 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,947 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,142 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,340 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,470 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,245 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,497 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,386 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,239 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.69 | 64,323 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,164 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,336 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,817 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,395 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,047 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,921 |
| Biggest City by Region | 0 | - | 4.50 | 36,121 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,054 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,151 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,324 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,164 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,366 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,829 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 152,126 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,551 |
| Biggest Cities in History | 0 | - | 4.52 | 90,004 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 75,997 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,445 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,348 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,957 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,354 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,392 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,830 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,117 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,456 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,208 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,520 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,109 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,875 |
| US States Quiz | 0 | - | 5.00 | 16,832,936 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,658 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,889 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,901 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,000 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,032 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,755 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,534 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 73,015 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,743 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,475 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,525 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,861 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 37,015 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 176,198 |
| Biggest Cities in Japan | 0 | - | 4.69 | 82,920 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,304 |
| Biggest Cities in France | 0 | - | 4.70 | 223,597 |
| Biggest Cities in Spain | 0 | - | 4.63 | 170,848 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,899 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,789 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,069 |
| Biggest Cities in China | 0 | - | 4.52 | 158,226 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,681 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,164 |
| Biggest Cities in India | 0 | - | 4.63 | 67,660 |
| Biggest Cities in Italy | 0 | - | 4.77 | 240,754 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,603 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,117 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,161 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,796 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 53,020 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,253 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,502 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,550 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,902 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,330 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 243,231 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,483 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,789 |
| States of Mexico | 0 | - | 4.95 | 175,518 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 331,082 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,443,151 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,702 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,000 |
| Countries with Megacities | 0 | - | 4.99 | 259,334 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,863 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,978 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,152 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,980 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,645 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,550 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,347 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,868 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,240 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,565 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,174 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,883 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,001 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,912 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 222,720 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,501 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,159 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,977 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,359 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,052 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,353 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,524 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,258 |
| Countries Closest to Canada | 0 | - | 4.91 | 198,028 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,334 |
| Pixelated United States Map | 0 | - | 4.87 | 94,080 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,642 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,170 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,210 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,700 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,969 |
| U.S. States By Population | 0 | - | 4.92 | 153,010 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,192 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,318 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,135 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,109 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,468 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 116,370 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,815 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,129 |
| Cities of Ireland | 0 | - | 4.51 | 50,563 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,943 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,136 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,032 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,686,553 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,768 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,671 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 95,025 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,072 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,149 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,547 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,600 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,108 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,339 |
| US States with an Empty Map | 0 | - | 5.00 | 623,294 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,736 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,389 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,907 |
