| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,946 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,991 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,175 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,497 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,377 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,992 |
| Biggest Cities in the World | 0 | - | 4.91 | 796,000 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,459 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,513 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,843 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,738 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,509 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 416,157 |
| Biggest Cities in the United States | 0 | - | 4.93 | 974,736 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,342 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,384 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,757 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 223,898 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,774 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,524 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,272 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,719 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,119 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,417 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,350 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,592 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,802 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,706 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,162 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,294 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,709 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.98 | 100,901 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,616 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,948 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,876 |
| Largest City by Island | 0 | - | 4.87 | 71,596 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,726 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,575 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,173 |
| Megacities on a World Map | 0 | - | 4.98 | 252,980 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,039 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,773 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 576,572 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,160 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,613 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,894 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,763 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,325 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,052 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,092 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,601 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,995 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,617 |
| Biggest Cities in Europe | 0 | - | 4.72 | 545,039 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,966 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,913 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,716 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,453 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,438 |
| Megacities on an Empty Map | 0 | - | 4.97 | 117,986 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,097 |
| Biggest Cities in Germany | 0 | - | 4.95 | 292,814 |
| Biggest Cities in Latin America | 0 | - | 4.47 | 64,648 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,502 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,102 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,902 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,115 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,196 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,444 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 113,734 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,766 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,365 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,217 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,479 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,127 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.29 | 116,222 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,356 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,220 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 60,209 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,354 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,036 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,903 |
| Biggest City by Region | 0 | - | 4.50 | 36,107 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 57,040 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,140 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,313 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,145 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,348 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 151,993 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,515 |
| Biggest Cities in History | 0 | - | 4.52 | 89,966 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 73,594 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,431 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,319 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,946 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,338 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,367 |
| Biggest Cities in the Blue Banana | 0 | - | 4.56 | 36,272 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,343 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,801 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 18,028 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,307 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,067 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,416 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,138 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,466 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,054 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,817 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,796 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,990 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,412 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 176,156 |
| Biggest Cities in Japan | 0 | - | 4.69 | 82,879 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,274 |
| Biggest Cities in France | 0 | - | 4.70 | 223,468 |
| Biggest Cities in Spain | 0 | - | 4.63 | 170,748 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,874 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,756 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,025 |
| Biggest Cities in China | 0 | - | 4.52 | 158,115 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,141 |
| Biggest Cities in India | 0 | - | 4.63 | 67,616 |
| Biggest Cities in Italy | 0 | - | 4.77 | 240,617 |
| US States Quiz | 0 | - | 5.00 | 16,821,509 |
| U.S. States that Border Canada | 0 | - | 4.91 | 184,210 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,568 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,801 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,346 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 72,988 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,020 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,746 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,528 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,498 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,607 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,535 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 166,283 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,095 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,139 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,792 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,208 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,552 |
| 100 Biggest Soviet Cities in 1989 with a Map | 0 | - | 4.97 | 29,744 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,987 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,223 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,153 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,826 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,953 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 222,611 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,171 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 330,776 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,442,365 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,486 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,776 |
| Countries with Megacities | 0 | - | 4.99 | 249,972 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,630 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,852 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,937 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,829 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,923 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,360 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,855 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,810 |
| Largest Cities once part of the Byzantine Empire | 0 | - | 4.83 | 21,512 |
| Cities of Ireland | 0 | - | 4.51 | 50,541 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,934 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,109 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,903 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,022 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,441 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,131 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,948 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,303 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,003 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,685,738 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,583 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,087 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,078 |
| US States with an Empty Map | 0 | - | 5.00 | 622,926 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,644 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,334 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,816 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,564 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,637 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,471 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,260 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,590 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,221 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,293 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 58,847 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 51,134 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,743 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,975 |
| Biggest Cities Ever Under Danish Rule | 0 | - | 4.49 | 16,183 |
| Cities in European Economic Areas on a Map | 0 | - | 4.69 | 17,433 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,604 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,537 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,052 |
| Countries Closest to Maine | 0 | - | 4.85 | 66,939 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,196 |
| Rivers of the United States | 0 | - | 4.93 | 66,037 |
