| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 113,656 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 158,893 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,131 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,451 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,309 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,435 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 344,188 |
| Biggest Cities in Germany | 0 | - | 4.95 | 292,700 |
| Biggest Cities in the World | 0 | - | 4.91 | 795,511 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,398 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,811 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,678 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,423 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,849 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,091 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,082 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 47,430 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,335 |
| Biggest City in Every Country | 0 | - | 4.98 | 99,681 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 72,940 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 223,750 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 109,712 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 132,339 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,215 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 223,518 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,083 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,335 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 415,960 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,707 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,435 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,294 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 53,555 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 114,636 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,664 |
| Ten Southernmost Megacities | 0 | - | 4.85 | 57,138 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,247 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 129,622 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,086 |
| Biggest Cities in the United States | 0 | - | 4.93 | 974,106 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,225 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,567 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 46,952 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 117,972 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 576,323 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,084 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,123 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 61,964 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,197 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,462 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 127,849 |
| Biggest Cities by Language | 0 | - | 4.96 | 245,792 |
| Largest City by Island | 0 | - | 4.87 | 71,551 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,682 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,508 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,124 |
| Megacities on a World Map | 0 | - | 4.98 | 252,820 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,126 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,568 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 113,931 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 167,943 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 55,875 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,374 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 167,573 |
| Biggest Cities in Europe | 0 | - | 4.72 | 544,783 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.29 | 116,149 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,348 |
| Megacities on an Empty Map | 0 | - | 4.97 | 117,877 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 52,972 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,090 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,263 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,745 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,349 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,103 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,740 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,878 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,756 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,315 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,080 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,788 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 18,022 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,330 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,211 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.56 | 49,462 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 176,131 |
| Biggest Cities in Japan | 0 | - | 4.69 | 82,858 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,251 |
| Biggest Cities in France | 0 | - | 4.70 | 223,364 |
| Biggest Cities in Spain | 0 | - | 4.63 | 170,680 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,857 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,729 |
| Biggest Cities in the UK | 0 | - | 4.48 | 104,998 |
| Biggest Cities in China | 0 | - | 4.52 | 158,037 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,129 |
| Biggest Cities in India | 0 | - | 4.70 | 67,596 |
| Biggest Cities in Italy | 0 | - | 4.77 | 240,535 |
| Biggest Cities in Latin America | 0 | - | 4.47 | 64,633 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,600 |
| Word Scramble - U.S. States | 0 | - | 4.95 | 504,898 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,324 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,025 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,889 |
| Biggest City by Region | 0 | - | 4.50 | 36,097 |
| Most Populous 2nd Cities | 0 | - | 4.77 | 57,026 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,201 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,300 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,133 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,307 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,132 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,339 |
| Cities of Ireland | 0 | - | 4.51 | 50,531 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,151 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,101 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,012 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,155 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 151,955 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,487 |
| Biggest Cities in History | 0 | - | 4.52 | 89,935 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 72,254 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,427 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,931 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,322 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,352 |
| Biggest Cities in the Blue Banana | 0 | - | 4.56 | 36,250 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,916 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,027 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,386 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,102 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,439 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,012 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,779 |
| Random State Capital to U.S. State | 0 | - | 4.84 | 88,753 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 57,955 |
| U.S. State Flags | 0 | - | 4.89 | 169,389 |
| U.S. States that Border Canada | 0 | - | 4.91 | 184,104 |
| U.S. States that Border Tennessee | 0 | - | 4.83 | 65,241 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,789 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,773 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 36,977 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,061 |
| Fifty US States in One Minute | 0 | - | 4.61 | 3,531,464 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,519 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 123,745 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 328,050 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 72,975 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,529 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,016 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,742 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,523 |
| Biggest Cities by Trait #2 | 0 | - | 4.46 | 20,481 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,537 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,334 |
| Biggest Cities in California | 0 | - | 4.35 | 139,619 |
| Biggest Cities in Florida | 0 | - | 4.23 | 71,982 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,574 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,332 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,202 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,702 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,173 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,140 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,441,818 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 379,355 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,590 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,234 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,914 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,841 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,183 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,806 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.25 | 20,393 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,785 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 93,914 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,891 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 222,537 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,400 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,104 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 86,927 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,264 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 127,970 |
| US States by Borders in 30 Seconds | 0 | - | 4.67 | 2,675,075 |
| U.S. States by First Two Letters in 30 Seconds | 0 | - | 4.69 | 1,387,762 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,551 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 172,667 |
| Countries with Megacities | 0 | - | 4.99 | 249,746 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 198,510 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 112,782 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 136,833 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 80,755 |
| Largest World Cities With Four Letters | 0 | - | 4.36 | 51,101 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,731 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,970 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.41 | 23,602 |
| Cities in European Economic Areas on a Map | 0 | - | 4.69 | 17,405 |
| Countries Closest to Alaska | 0 | - | 4.93 | 123,998 |
| Countries Closest to Maine | 0 | - | 4.85 | 66,899 |
| Rivers of the United States | 0 | - | 4.93 | 65,997 |
| Win the U.S. Presidential Election | 0 | - | 4.78 | 624,266 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,556 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 86,425 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,165 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,533 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,184 |
