| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,932 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,973 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,156 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,478 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,354 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,978 |
| Biggest Cities in the World | 0 | - | 4.91 | 795,838 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,373 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,461 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,832 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,714 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,078 |
| Biggest Cities in the United States | 0 | - | 4.93 | 974,529 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,313 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,368 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,734 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 223,859 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,755 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,463 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,255 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,656 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,106 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,392 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,332 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,579 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,749 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,684 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,151 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,275 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,686 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 576,505 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,927 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,848 |
| Largest City by Island | 0 | - | 4.87 | 71,581 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,703 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,552 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,166 |
| Megacities on a World Map | 0 | - | 4.98 | 252,938 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,019 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,760 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,145 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,595 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,887 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,759 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,321 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,016 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,978 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,599 |
| Biggest Cities in Europe | 0 | - | 4.72 | 544,969 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,893 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,481 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,415 |
| Megacities on an Empty Map | 0 | - | 4.97 | 117,945 |
| Biggest Cities in Germany | 0 | - | 4.95 | 292,790 |
| Biggest Cities in Latin America | 0 | - | 4.47 | 64,642 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,758 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,357 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,481 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,889 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,105 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,166 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,437 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,211 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,471 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,351 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,216 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 56,899 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,121 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 191,248 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 174,553 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,345 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,031 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,897 |
| Biggest City by Region | 0 | - | 4.50 | 36,103 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 57,036 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,137 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,310 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,143 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,345 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,795 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 151,984 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,505 |
| Biggest Cities in History | 0 | - | 4.52 | 89,957 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,552 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,429 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,313 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,940 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,331 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,362 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,797 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,047 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,403 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,125 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,452 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,040 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,801 |
| US States Quiz | 0 | - | 5.00 | 16,818,162 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,559 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,783 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,265 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 72,983 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,019 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,744 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,526 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,954 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,712 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,448 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,493 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,785 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,985 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 176,147 |
| Biggest Cities in Japan | 0 | - | 4.69 | 82,873 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,267 |
| Biggest Cities in France | 0 | - | 4.70 | 223,440 |
| Biggest Cities in Spain | 0 | - | 4.63 | 170,732 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,866 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,748 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,019 |
| Biggest Cities in China | 0 | - | 4.52 | 158,089 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,603 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,140 |
| Biggest Cities in India | 0 | - | 4.63 | 67,609 |
| Biggest Cities in Italy | 0 | - | 4.77 | 240,585 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 366,455 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,091 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,135 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,792 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,983 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,216 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 93,363 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 81,441 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,852 |
| Total United States Immigration by Country | 0 | - | 4.91 | 111,245 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 242,958 |
| Mexico States Map Quiz | 0 | - | 4.85 | 104,390 |
| Name the U.S. National Parks | 0 | - | 4.86 | 59,725 |
| States of Mexico | 0 | - | 4.95 | 175,323 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 330,696 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,442,178 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,438 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,738 |
| Countries with Megacities | 0 | - | 4.99 | 249,903 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,581 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,823 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,896 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,818 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,601 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,534 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 166,270 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,848 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,202 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,551 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,152 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,810 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,942 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,903 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 222,587 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,425 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,120 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,940 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,289 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,990 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 109,261 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 91,449 |
| Most-Visited Countries by Canadians | 0 | - | 4.82 | 39,238 |
| Countries Closest to Canada | 0 | - | 4.91 | 197,943 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,121 |
| Pixelated United States Map | 0 | - | 4.87 | 94,007 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 117,588 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 111,093 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 113,116 |
| U.S. States with Short Names | 0 | - | 4.91 | 148,622 |
| U.S. States that Start with M | 0 | - | 4.93 | 186,868 |
| U.S. States By Population | 0 | - | 4.92 | 152,957 |
| U.S. States that Start with N | 0 | - | 4.95 | 171,113 |
| U.S. States with Longest Names | 0 | - | 4.84 | 44,287 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 88,071 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 64,073 |
| The Only Remaining U.S. State . . . | 0 | - | 4.93 | 65,411 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.29 | 116,189 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,808 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,098 |
| Cities of Ireland | 0 | - | 4.51 | 50,539 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,929 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,107 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,020 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,685,515 |
| Most Guessed U.S. Cities | 0 | - | 4.89 | 105,683 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,570 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,977 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 48,047 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,067 |
| Countries that Beat the United States | 0 | - | 4.93 | 166,439 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,546 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,066 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 82,307 |
| US States with an Empty Map | 0 | - | 5.00 | 622,689 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,629 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,310 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,799 |
