| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,203 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,413 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,665 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,706 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,415 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,486 |
| Biggest Cities in the World | 0 | - | 4.92 | 789,870 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,839 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,220 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,537 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,264 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,448 |
| Biggest Cities in the United States | 0 | - | 4.93 | 966,002 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,652 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,588 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,573 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,748 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,790 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,876 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,427 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,378 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,474 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,516 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,510 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,013 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,734 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,122 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,697 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,626 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,467 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 572,976 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,335 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,784 |
| Largest City by Island | 0 | - | 4.87 | 70,999 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,345 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,477 |
| Biggest European Cities by Century | 0 | - | 4.98 | 141,901 |
| Megacities on a World Map | 0 | - | 4.98 | 250,782 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,208 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,192 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,759 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,810 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,678 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,596 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.43 | 40,160 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,602 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,094 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,942 |
| Biggest Cities in Europe | 0 | - | 4.70 | 541,911 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,631 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 124,140 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,789 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,444 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,127 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,465 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,513 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,083 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.87 | 94,231 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,930 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 96,955 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,031 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 37,978 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,270 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,087 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,014 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 48,866 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,571 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,335 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,242 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,872 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,890 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,674 |
| Biggest City by Region | 0 | - | 4.50 | 35,984 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,887 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,006 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,215 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,902 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,245 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,587 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,331 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,204 |
| Biggest Cities in History | 0 | - | 4.52 | 89,089 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,102 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.61 | 65,304 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 83,967 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,846 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,170 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,180 |
| The Most Populous U.S. City by Category | 0 | - | 4.35 | 22,251 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,531 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,457 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 115,927 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,557 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 121,868 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,107 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 125,954 |
| US States Quiz | 0 | - | 5.00 | 16,690,975 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,538 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,895 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,432 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,846 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,971 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,659 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,462 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,738 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,454 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,224 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,193 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,403 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,751 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,914 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 175,757 |
| Biggest Cities in Japan | 0 | - | 4.67 | 82,495 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,004 |
| Biggest Cities in France | 0 | - | 4.69 | 221,942 |
| Biggest Cities in Spain | 0 | - | 4.63 | 169,746 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,623 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,427 |
| Biggest Cities in the UK | 0 | - | 4.48 | 104,104 |
| Biggest Cities in China | 0 | - | 4.53 | 156,913 |
| Biggest Cities in Canada | 0 | - | 4.54 | 131,772 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 46,940 |
| Biggest Cities in India | 0 | - | 4.70 | 67,309 |
| Biggest Cities in Italy | 0 | - | 4.75 | 239,363 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,175 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,910 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 78,894 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,710 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,706 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 38,944 |
| All Cities in China with Population of 1 Million | 0 | - | 4.80 | 45,314 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,236 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,669 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,356 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,605 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,573 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,739 |
| Name the U.S. National Parks | 0 | - | 4.86 | 58,674 |
| States of Mexico | 0 | - | 4.95 | 173,227 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,748 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,358 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,438 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,980 |
| Countries with Megacities | 0 | - | 4.99 | 246,486 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,897 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,787 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,360 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,745 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,280 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,441 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 165,611 |
| Biggest Cities Near a Border | 0 | - | 4.21 | 31,740 |
| Flags to Largest Cities | 0 | - | 4.55 | 50,752 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,391 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,088 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,252 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,360 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,837 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 221,282 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 161,713 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,561 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,605 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 125,719 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,401 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,392 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,803 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,301 |
| Pixelated United States Map | 0 | - | 4.89 | 93,428 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,668 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,304 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,352 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,579 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,845 |
| U.S. States By Population | 0 | - | 4.92 | 152,311 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,336 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,825 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,501 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,736 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,842 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.29 | 114,952 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,721 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 30,965 |
| Cities of Ireland | 0 | - | 4.51 | 50,313 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,788 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 35,926 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,877 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,676,962 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,831 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,013 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,483 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,863 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,350 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,486 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 101,038 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,789 |
| U.S. States with the Most Immigrants | 0 | - | 4.85 | 81,907 |
| US States with an Empty Map | 0 | - | 5.00 | 618,504 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,639 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,522 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,864 |
