| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,216 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 78,678 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 40,714 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 115,430 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,420 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,489 |
| Biggest Cities in the World | 0 | - | 4.92 | 789,941 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 341,862 |
| Biggest Cities in Asia | 0 | - | 4.95 | 115,234 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,541 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,268 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 124,151 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,203 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,680 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,597 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.43 | 40,160 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 54,856 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 413,470 |
| Biggest Cities in the United States | 0 | - | 4.93 | 966,079 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 363,678 |
| Biggest City by Time Zone | 0 | - | 4.87 | 66,594 |
| Biggest City in Every Country | 0 | - | 4.98 | 98,584 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,741 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 221,763 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 108,797 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 129,897 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 78,435 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 222,389 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,480 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 135,524 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,460 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,226 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 78,522 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,018 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 113,736 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,129 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 56,703 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 66,633 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 128,470 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.98 | 99,735 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 31,918 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 112,415 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 126,351 |
| Biggest Cities by Language | 0 | - | 4.96 | 230,794 |
| Largest City by Island | 0 | - | 4.87 | 71,005 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,354 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,491 |
| Biggest European Cities by Century | 0 | - | 4.98 | 142,213 |
| Megacities on a World Map | 0 | - | 4.98 | 250,816 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,219 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 573,015 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 66,765 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 73,824 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 112,627 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,113 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 167,100 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 37,979 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 166,959 |
| Biggest Cities in Europe | 0 | - | 4.70 | 541,943 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,632 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 55,792 |
| Megacities on an Empty Map | 0 | - | 4.96 | 102,458 |
| Biggest Cities in Germany | 0 | - | 4.95 | 291,138 |
| Biggest Cities in Canada | 0 | - | 4.54 | 131,776 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,466 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.29 | 114,961 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.87 | 94,245 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 40,932 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.91 | 96,962 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,033 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,516 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,093 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,271 |
| Biggest English Cities by Century | 0 | - | 4.90 | 105,576 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,091 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,016 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 48,874 |
| The Most Populous U.S. City by Category | 0 | - | 4.35 | 22,254 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 30,967 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 58,880 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,890 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,676 |
| Biggest City by Region | 0 | - | 4.50 | 35,989 |
| Most Populous 2nd Cities | 0 | - | 4.78 | 56,889 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,008 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,215 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 59,913 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 78,901 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 82,902 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,246 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,340 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,209 |
| Biggest Cities in History | 0 | - | 4.52 | 89,092 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,106 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.61 | 65,306 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.95 | 83,971 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,847 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,172 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,181 |
| Biggest Cities in the Blue Banana | 0 | - | 4.56 | 35,987 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,531 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,931 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 40,725 |
| Biggest Cities in Washington State | 0 | - | 4.43 | 35,930 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,878 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,462 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 115,930 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,560 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 121,877 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,112 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 125,960 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,207 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,404 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,754 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 63,977 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 175,764 |
| Biggest Cities in Japan | 0 | - | 4.67 | 82,499 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,006 |
| Biggest Cities in France | 0 | - | 4.69 | 221,953 |
| Biggest Cities in Spain | 0 | - | 4.63 | 169,758 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,630 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,428 |
| Biggest Cities in the UK | 0 | - | 4.48 | 104,114 |
| Biggest Cities in China | 0 | - | 4.53 | 156,922 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 46,940 |
| Biggest Cities in India | 0 | - | 4.70 | 67,313 |
| Biggest Cities in Italy | 0 | - | 4.75 | 239,370 |
| US States Quiz | 0 | - | 5.00 | 16,692,163 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 164,548 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 122,903 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 323,466 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,850 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 27,972 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,663 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,462 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,196 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,290 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,441 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 165,616 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,712 |
| Flags to Largest Cities | 0 | - | 4.55 | 50,759 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,394 |
| 100 Biggest Soviet Cities in 1989 with a Map | 0 | - | 4.97 | 29,571 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,713 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 38,947 |
| All Cities in China with Population of 1 Million | 0 | - | 4.80 | 45,319 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,089 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,258 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,367 |
| Biggest Cities in California | 0 | - | 4.35 | 139,186 |
| Biggest Cities in Florida | 0 | - | 4.23 | 71,754 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,399 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,188 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,070 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,576 |
| Biggest Cities in Texas | 0 | - | 4.28 | 118,589 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,044 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 221,296 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 327,791 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,434,447 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 377,462 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 170,993 |
| Countries with Megacities | 0 | - | 4.99 | 246,515 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 196,911 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 111,795 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 135,365 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 79,754 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,846 |
| Biggest Cities Near a Border | 0 | - | 4.21 | 31,741 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,722 |
| Largest Cities once part of the Byzantine Empire | 0 | - | 4.83 | 21,376 |
| Cities of Ireland | 0 | - | 4.51 | 50,318 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,790 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,837 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 161,721 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,564 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,608 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 125,731 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,406 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,677,069 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,029 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,360 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,789 |
| US States with an Empty Map | 0 | - | 5.00 | 618,533 |
| U.S. States or European Countries by Area | 0 | - | 4.94 | 94,650 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 47,531 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 131,873 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,372 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,077 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 85,775 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 265,823 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 120,823 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 111,441 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 92,540 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,206 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 50,603 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,525 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,872 |
| Cities in European Economic Areas on a Map | 0 | - | 4.67 | 16,922 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,550 |
