| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,148 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,379 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,624 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,646 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,345 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,463 |
| Biggest Cities in the World | 0 | - | 4.92 | 789,467 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,701 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,126 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,516 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,230 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,310 |
| Biggest Cities in the United States | 0 | - | 4.93 | 965,377 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,544 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,521 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,478 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,604 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,722 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,702 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,364 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,308 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,429 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,472 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,451 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 52,968 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,686 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,077 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,660 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,593 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,375 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 572,748 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,252 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,721 |
| Largest City by Island | 0 | - | 4.87 | 70,966 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,284 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,427 |
| Biggest European Cities by Century | 0 | - | 4.98 | 138,648 |
| Megacities on a World Map | 0 | - | 4.98 | 250,527 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,160 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,152 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,731 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,774 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,667 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,588 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.43 | 40,150 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,535 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,041 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,837 |
| Biggest Cities in Europe | 0 | - | 4.70 | 541,672 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,620 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,067 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,761 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,371 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,015 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,450 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,494 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,050 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.87 | 94,172 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,922 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 96,911 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,012 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 37,960 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,261 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,075 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 90,995 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 48,824 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,554 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,277 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,095 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,850 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,883 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,652 |
| Biggest City by Region | 0 | - | 4.50 | 35,977 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,876 |
| Northernmost Major City by Country | 0 | - | 4.56 | 32,997 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,207 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,890 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,235 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,573 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,288 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,184 |
| Biggest Cities in History | 0 | - | 4.52 | 89,059 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,081 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.61 | 65,296 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 83,948 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,840 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,160 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,159 |
| The Most Populous U.S. City by Category | 0 | - | 4.35 | 22,244 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,517 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,423 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 115,892 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,491 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 121,822 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,059 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 125,918 |
| US States Quiz | 0 | - | 5.00 | 16,683,074 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,495 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 122,858 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,192 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,835 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,968 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,656 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,457 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,713 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,435 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,207 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,178 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,383 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,742 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,906 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 175,729 |
| Biggest Cities in Japan | 0 | - | 4.67 | 82,472 |
| Biggest Cities in Russia | 0 | - | 4.49 | 81,986 |
| Biggest Cities in France | 0 | - | 4.69 | 221,845 |
| Biggest Cities in Spain | 0 | - | 4.63 | 169,702 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,609 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,407 |
| Biggest Cities in the UK | 0 | - | 4.48 | 104,070 |
| Biggest Cities in China | 0 | - | 4.53 | 156,855 |
| Biggest Cities in Canada | 0 | - | 4.54 | 131,730 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 46,936 |
| Biggest Cities in India | 0 | - | 4.70 | 67,286 |
| Biggest Cities in Italy | 0 | - | 4.75 | 239,298 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,097 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,897 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 78,880 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,701 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,692 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 38,931 |
| All Cities in China with Population of 1 Million | 0 | - | 4.80 | 45,294 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,126 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,610 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,316 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,554 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,055 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,696 |
| Name the U.S. National Parks | 0 | - | 4.85 | 58,246 |
| States of Mexico | 0 | - | 4.95 | 173,074 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,616 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,433,792 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,266 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,904 |
| Countries with Megacities | 0 | - | 4.99 | 246,294 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,828 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,754 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,284 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,691 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,267 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,433 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 165,569 |
| Biggest Cities Near a Border | 0 | - | 4.21 | 31,729 |
| Flags to Largest Cities | 0 | - | 4.55 | 50,730 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,363 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,082 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,227 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,341 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,834 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 221,223 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 161,663 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,531 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,576 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 125,684 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,369 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,326 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,745 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,267 |
| Pixelated United States Map | 0 | - | 4.89 | 93,358 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,612 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,247 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,301 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,515 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,791 |
| U.S. States By Population | 0 | - | 4.92 | 152,276 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,287 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,791 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,462 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,723 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,796 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.29 | 114,865 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,715 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 30,964 |
| Cities of Ireland | 0 | - | 4.51 | 50,289 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,780 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 35,923 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,859 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,676,361 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,744 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,955 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,448 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,832 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,300 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,411 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 100,998 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,776 |
| U.S. States with the Most Immigrants | 0 | - | 4.84 | 81,883 |
| US States with an Empty Map | 0 | - | 5.00 | 618,272 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,575 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,478 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,813 |
