| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,719 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,799 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,021 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,266 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,084 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,833 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,124 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 343,588 |
| Biggest Cities in the World | 0 | - | 4.91 | 794,022 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,147 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,733 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,572 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,154 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,406 |
| Five Most Populated Cities by Continent | 0 | - | 4.93 | 223,297 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,456 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.96 | 131,745 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,022 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,235 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 83,948 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,138 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 415,380 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,104 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,428 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,392 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,504 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,038 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 67,082 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,274 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.98 | 100,378 |
| Biggest Cities in the United States | 0 | - | 4.93 | 971,888 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 364,839 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,435 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,789 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 575,474 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,502 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,429 |
| Largest City by Island | 0 | - | 4.87 | 71,407 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,592 |
| Most Populous World Capitals | 0 | - | 4.94 | 174,963 |
| Biggest European Cities by Century | 0 | - | 4.99 | 144,962 |
| Megacities on a World Map | 0 | - | 4.98 | 252,339 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,585 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,031 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,371 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,836 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,717 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,274 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,618 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,005 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,457 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,748 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,899 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,796 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,644 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,378 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,198 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,044 |
| Biggest Cities in Germany | 0 | - | 4.95 | 292,319 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,419 |
| Biggest Cities in Europe | 0 | - | 4.70 | 543,681 |
| Biggest Cities in Latin America | 0 | - | 4.47 | 64,582 |
| Megacities on an Empty Map | 0 | - | 4.97 | 117,387 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,102 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,060 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,718 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,049 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 97,830 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,332 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 113,341 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,697 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,280 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,394 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,014 |
| U.S. Cities by Hispanic Population | 0 | - | 4.31 | 38,148 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.29 | 115,848 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,259 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,160 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,313 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,209 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 101,991 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,842 |
| Biggest City by Region | 0 | - | 4.50 | 36,069 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 57,001 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,216 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,105 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,287 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,076 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,321 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 17,995 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,096 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 151,804 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,412 |
| Biggest Cities in History | 0 | - | 4.52 | 89,375 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,216 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,397 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,908 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,281 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,261 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,312 |
| Biggest Cities in the Blue Banana | 0 | - | 4.56 | 36,199 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,305 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,724 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,856 |
| Biggest Cities Starting With D | 0 | - | 4.51 | 116,250 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 108,935 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,259 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,801 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,310 |
| US States Quiz | 0 | - | 5.00 | 16,779,286 |
| U.S. States that Border Canada | 0 | - | 4.91 | 183,663 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,043 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,054 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,770 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,668 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,928 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 176,045 |
| Biggest Cities in Japan | 0 | - | 4.69 | 82,762 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,185 |
| Biggest Cities in France | 0 | - | 4.70 | 223,090 |
| Biggest Cities in Spain | 0 | - | 4.64 | 170,449 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,798 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,908 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,650 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,120 |
| Biggest Cities in the UK | 0 | - | 4.48 | 104,486 |
| Biggest Cities in China | 0 | - | 4.52 | 157,757 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,070 |
| Biggest Cities in India | 0 | - | 4.70 | 67,513 |
| Biggest Cities in Italy | 0 | - | 4.77 | 240,251 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,280 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 123,532 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 326,847 |
| Fastest Growing U.S. Cities | 0 | - | 4.34 | 72,941 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,508 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,007 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,717 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,511 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,403 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,505 |
| 100 Biggest Soviet Cities in 1989 with a Map | 0 | - | 4.97 | 29,683 |
| Largest Cities once part of the Byzantine Empire | 0 | - | 4.83 | 21,458 |
| Cities of Ireland | 0 | - | 4.51 | 50,487 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,141 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,053 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,977 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,683,025 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 329,810 |
| US States with an Empty Map | 0 | - | 5.00 | 621,378 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,439,931 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 378,840 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.69 | 107,507 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,058 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,901 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,302 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,822 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,070 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,785 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,891 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,591 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,771 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,880 |
| Biggest World Cities A-Z | 0 | - | 4.62 | 222,290 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,210 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 104,987 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,831 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,100 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,786 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,405 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,821 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 38,943 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,330 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,085 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,512 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,504 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,271 |
| Countries with Megacities | 0 | - | 4.99 | 248,937 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,125 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,544 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,483 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,499 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 50,976 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,668 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,943 |
| Biggest Cities Ever Under Danish Rule | 0 | - | 4.49 | 16,161 |
| Cities in European Economic Areas on a Map | 0 | - | 4.69 | 17,290 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,594 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 138,975 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,091 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,793 |
| Countries Closest to Maine | 0 | - | 4.85 | 66,750 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 48,984 |
| Rivers of the United States | 0 | - | 4.93 | 65,827 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 207,761 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,219 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,082 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,521 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,693 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,423 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,272 |
