| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,836 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,896 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,097 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,390 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,235 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,919 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,315 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 343,984 |
| Biggest Cities in the World | 0 | - | 4.91 | 794,946 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,310 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,789 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,643 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,278 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,581 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 223,587 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,613 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,130 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,147 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,407 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,033 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,261 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 415,749 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,225 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,520 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,547 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,600 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,107 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,187 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,478 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.98 | 100,674 |
| Biggest Cities in the United States | 0 | - | 4.93 | 973,260 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,061 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,524 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,895 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 575,978 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,734 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,676 |
| Largest City by Island | 0 | - | 4.87 | 71,509 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,656 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,452 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,073 |
| Megacities on a World Map | 0 | - | 4.98 | 252,607 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,688 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,083 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,496 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,867 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,739 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,298 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,821 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,050 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,522 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,869 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,926 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,854 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,685 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,414 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,307 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,063 |
| Biggest Cities in Germany | 0 | - | 4.95 | 292,572 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,525 |
| Biggest Cities in Europe | 0 | - | 4.72 | 544,434 |
| Biggest Cities in Latin America | 0 | - | 4.47 | 64,613 |
| Megacities on an Empty Map | 0 | - | 4.97 | 117,742 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,293 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,085 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,803 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,079 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 97,995 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,392 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 113,530 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,731 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,330 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,446 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,076 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,180 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.29 | 116,052 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,297 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,195 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,411 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,286 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,014 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,872 |
| Biggest City by Region | 0 | - | 4.50 | 36,085 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 57,020 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,277 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,124 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,302 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,113 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,330 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 18,016 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,206 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 151,908 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,462 |
| Biggest Cities in History | 0 | - | 4.52 | 89,894 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,243 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,415 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,928 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,311 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,339 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,341 |
| Biggest Cities in the Blue Banana | 0 | - | 4.56 | 36,226 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,327 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,767 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 123,937 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,316 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,032 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,354 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 142,915 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,514 |
| US States Quiz | 0 | - | 5.00 | 16,798,963 |
| U.S. States that Border Canada | 0 | - | 4.91 | 183,932 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,073 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,090 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,783 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,735 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,963 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 176,099 |
| Biggest Cities in Japan | 0 | - | 4.69 | 82,825 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,226 |
| Biggest Cities in France | 0 | - | 4.70 | 223,258 |
| Biggest Cities in Spain | 0 | - | 4.64 | 170,601 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,838 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,952 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,702 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,172 |
| Biggest Cities in the UK | 0 | - | 4.48 | 104,943 |
| Biggest Cities in China | 0 | - | 4.52 | 157,901 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,111 |
| Biggest Cities in India | 0 | - | 4.70 | 67,560 |
| Biggest Cities in Italy | 0 | - | 4.77 | 240,433 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,418 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,664 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 327,663 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 72,963 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,520 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,013 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,730 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,518 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,453 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,528 |
| 100 Biggest Soviet Cities in 1989 with a Map | 0 | - | 4.97 | 29,718 |
| Largest Cities once part of the Byzantine Empire | 0 | - | 4.83 | 21,481 |
| Cities of Ireland | 0 | - | 4.51 | 50,513 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,146 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,084 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 34,999 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,684,257 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 330,277 |
| US States with an Empty Map | 0 | - | 5.00 | 621,961 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,441,105 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,158 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,563 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,159 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,908 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,336 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,837 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,137 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,801 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,909 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,684 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,840 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,884 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 222,444 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,305 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,046 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,880 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,186 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,879 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.84 | 72,500 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 145,967 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,024 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 95,500 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,202 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 132,662 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,534 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,530 |
| Countries with Megacities | 0 | - | 4.99 | 249,487 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,376 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,689 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,710 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,658 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 51,053 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,702 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,964 |
| Biggest Cities Ever Under Danish Rule | 0 | - | 4.49 | 16,173 |
| Cities in European Economic Areas on a Map | 0 | - | 4.69 | 17,368 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,599 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,033 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 143,242 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,931 |
| Countries Closest to Maine | 0 | - | 4.85 | 66,838 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,088 |
| Rivers of the United States | 0 | - | 4.93 | 65,916 |
| Name a Valid U.S. State #1 | 0 | - | 4.93 | 208,080 |
| Top 10 Coldest U.S. States | 0 | - | 4.94 | 124,327 |
| Top 10 Hottest U.S. States | 0 | - | 4.86 | 125,204 |
| Top 10 Most Native American U.S. States | 0 | - | 4.87 | 91,642 |
| Top 10 U.S. States with the Least Precipitation | 0 | - | 4.82 | 61,749 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,501 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,371 |
