| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,136 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,370 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,612 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,630 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,319 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,451 |
| Biggest Cities in the World | 0 | - | 4.92 | 789,329 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,659 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,108 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,512 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,222 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,253 |
| Biggest Cities in the United States | 0 | - | 4.93 | 965,200 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,505 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,487 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,442 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,547 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,699 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,649 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,349 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,294 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,408 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,461 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,424 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 52,951 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,668 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,068 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,646 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,579 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,298 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 572,666 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,234 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,702 |
| Largest City by Island | 0 | - | 4.87 | 70,953 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,255 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,407 |
| Biggest European Cities by Century | 0 | - | 4.98 | 136,176 |
| Megacities on a World Map | 0 | - | 4.98 | 250,400 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,148 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,142 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,723 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,761 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,664 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,586 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.43 | 40,147 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,499 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,019 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,783 |
| Biggest Cities in Europe | 0 | - | 4.70 | 541,604 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,616 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 124,043 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,748 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,345 |
| Biggest Cities in Germany | 0 | - | 4.95 | 290,989 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,443 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,489 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,043 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.87 | 94,162 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,919 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 96,891 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,008 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 37,958 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,259 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,070 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 90,992 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 48,818 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,541 |
| Top 10 Least Populous U.S. States | 0 | - | 4.94 | 190,260 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 172,056 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,846 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,881 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,648 |
| Biggest City by Region | 0 | - | 4.50 | 35,971 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,873 |
| Northernmost Major City by Country | 0 | - | 4.56 | 32,996 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,204 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,888 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,234 |
| U.S. States with the Lowest Population Density | 0 | - | 4.92 | 93,567 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,282 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,177 |
| Biggest Cities in History | 0 | - | 4.52 | 89,051 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,064 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.61 | 65,293 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 83,943 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,838 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,157 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,152 |
| The Most Populous U.S. City by Category | 0 | - | 4.35 | 22,243 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,513 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,400 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 115,878 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,413 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 121,807 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,041 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 125,907 |
| US States Quiz | 0 | - | 5.00 | 16,680,893 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,483 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 122,847 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,120 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,832 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,966 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,652 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,456 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,694 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,431 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,193 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,173 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,380 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,736 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,903 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 175,724 |
| Biggest Cities in Japan | 0 | - | 4.67 | 82,466 |
| Biggest Cities in Russia | 0 | - | 4.49 | 81,983 |
| Biggest Cities in France | 0 | - | 4.69 | 221,823 |
| Biggest Cities in Spain | 0 | - | 4.63 | 169,681 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,604 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,402 |
| Biggest Cities in the UK | 0 | - | 4.48 | 104,067 |
| Biggest Cities in China | 0 | - | 4.53 | 156,847 |
| Biggest Cities in Canada | 0 | - | 4.54 | 131,714 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 46,932 |
| Biggest Cities in India | 0 | - | 4.70 | 67,285 |
| Biggest Cities in Italy | 0 | - | 4.75 | 239,285 |
| States of the U.S. in Alphabetical Order | 0 | - | 4.98 | 365,072 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,892 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 78,874 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,700 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,688 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 38,927 |
| All Cities in China with Population of 1 Million | 0 | - | 4.80 | 45,290 |
| Most-Visited U.S. Cities | 0 | - | 4.85 | 92,089 |
| Every U.S. Metro Area on a Map | 0 | - | 4.97 | 80,585 |
| Capitals of Canadian Provinces | 0 | - | 4.85 | 88,305 |
| Total United States Immigration by Country | 0 | - | 4.91 | 110,537 |
| "Do Not Travel" Countries for U.S. Citizens | 0 | - | 4.97 | 240,008 |
| Mexico States Map Quiz | 0 | - | 4.84 | 103,686 |
| Name the U.S. National Parks | 0 | - | 4.85 | 57,795 |
| States of Mexico | 0 | - | 4.95 | 173,048 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,566 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,433,648 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,157 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,886 |
| Countries with Megacities | 0 | - | 4.99 | 246,246 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,806 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,746 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,267 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,681 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,257 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,430 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 165,555 |
| Biggest Cities Near a Border | 0 | - | 4.21 | 31,728 |
| Flags to Largest Cities | 0 | - | 4.55 | 50,719 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,363 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,081 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,221 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,335 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,831 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 221,193 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 161,632 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,512 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,561 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 125,674 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,353 |
| Most-Visited Countries by Americans | 0 | - | 4.87 | 108,301 |
| Countries that Visit the United States the Most | 0 | - | 4.96 | 90,728 |
| Countries Closest to Canada | 0 | - | 4.90 | 197,247 |
| Pixelated United States Map | 0 | - | 4.89 | 93,328 |
| The 13 Colonies Quiz | 0 | - | 4.97 | 116,598 |
| U.S. States with the Letter Y | 0 | - | 4.85 | 110,223 |
| 10 Southernmost U.S. States | 0 | - | 4.88 | 112,288 |
| U.S. States with Short Names | 0 | - | 4.91 | 147,497 |
| U.S. States that Start with M | 0 | - | 4.93 | 185,771 |
| U.S. States By Population | 0 | - | 4.92 | 152,259 |
| U.S. States that Start with N | 0 | - | 4.95 | 170,261 |
| U.S. States with Longest Names | 0 | - | 4.84 | 43,781 |
| U.S. States with a Unique First Letter | 0 | - | 4.96 | 87,455 |
| 10 Westernmost U.S. States | 0 | - | 4.95 | 63,712 |
| The Only Remaining U.S. State . . . | 0 | - | 4.92 | 64,789 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.29 | 114,835 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,714 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 30,960 |
| Cities of Ireland | 0 | - | 4.51 | 50,281 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,779 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 35,920 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,857 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,676,178 |
| Most Guessed U.S. Cities | 0 | - | 4.88 | 104,718 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 71,944 |
| US State Capitals Quiz - No Hints | 0 | - | 4.98 | 94,440 |
| 10 Westernmost U.S. State Capitals | 0 | - | 4.90 | 47,826 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,286 |
| Countries that Beat the United States | 0 | - | 4.93 | 165,396 |
| Top 10 Most-Visited U.S. States | 0 | - | 4.90 | 100,978 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,770 |
| U.S. States with the Most Immigrants | 0 | - | 4.84 | 81,875 |
| US States with an Empty Map | 0 | - | 5.00 | 618,181 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,556 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,466 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,801 |
