| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,308 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,254 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 85,091 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,679 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,548 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 63,106 |
| Biggest Cities in the World | 0 | - | 4.91 | 807,672 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 349,681 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,464 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,512 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,666 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 127,939 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 421,459 |
| Biggest Cities in the United States | 0 | - | 4.94 | 990,022 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,705 |
| Biggest City by Time Zone | 0 | - | 4.88 | 69,180 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,330 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 33,034 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 228,056 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,788 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,868 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 81,030 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 226,250 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,456 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 138,016 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,169 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,773 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 116,821 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,911 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,363 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,622 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,883 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.99 | 103,303 |
| Biggest Cities in Canada | 0 | - | 4.55 | 133,732 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,865 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,952 |
| Largest City by Island | 0 | - | 4.87 | 72,625 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,539 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,947 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,309 |
| Megacities on a World Map | 0 | - | 4.98 | 257,697 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,641 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 92,657 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 583,628 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,893 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,895 |
| U.S. States by Second Most Populous City | 0 | - | 4.43 | 44,222 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 37,044 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,574 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,949 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,473 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 35,404 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,942 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,423 |
| Biggest Cities in Europe | 0 | - | 4.70 | 550,053 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,452 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,645 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 49,135 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,798 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,659 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,430 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,419 |
| Biggest Cities in Germany | 0 | - | 4.95 | 295,823 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,855 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 65,050 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.89 | 97,819 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,462 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,769 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,537 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 100,520 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 48,130 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.98 | 120,127 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,394 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 74,056 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,611 |
| Biggest English Cities by Century | 0 | - | 4.91 | 107,132 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 118,971 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,865 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,568 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 68,815 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 76,261 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,248 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,693 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,193 |
| Biggest City by Region | 0 | - | 4.50 | 36,433 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,394 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,338 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,472 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,644 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,617 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 166,129 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 127,591 |
| Biggest Cities in History | 0 | - | 4.52 | 90,750 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 79,275 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,629 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 85,021 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,118 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,664 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,758 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 36,758 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,511 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,261 |
| Saint Lucia Country Quiz | 0 | - | 4.68 | 18,170 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 42,499 |
| Biggest Cities Starting With A | 0 | - | 4.63 | 125,340 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 117,321 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 110,151 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,771 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 144,526 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,950 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.61 | 44,780 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,480 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 65,171 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 177,138 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,634 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,869 |
| Biggest Cities in France | 0 | - | 4.72 | 225,755 |
| Biggest Cities in Spain | 0 | - | 4.64 | 172,460 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,385 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,385 |
| Biggest Cities in the UK | 0 | - | 4.48 | 106,023 |
| Biggest Cities in China | 0 | - | 4.53 | 160,318 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,532 |
| Biggest Cities in India | 0 | - | 4.64 | 68,151 |
| Biggest Cities in Italy | 0 | - | 4.78 | 242,864 |
| US States Quiz | 0 | - | 5.00 | 17,034,892 |
| U.S. States that Border Canada | 0 | - | 4.91 | 187,216 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,250 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,286 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 337,167 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,215 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,160 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,940 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,996 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 108,253 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,737 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 167,552 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,559 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,628 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,958 |
| Flags to Largest Cities | 0 | - | 4.54 | 52,052 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,813 |
| 100 Biggest Soviet Cities in 1989 with a Map | 0 | - | 4.97 | 30,197 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,533 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,662 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,279 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,751 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,698 |
| Biggest World Cities A-Z | 0 | - | 4.61 | 224,512 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,908 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 336,623 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,457,046 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 383,267 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,702 |
| Countries with Megacities | 0 | - | 4.99 | 268,258 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,335 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,432 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,681 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,556 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 40,070 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,647 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,134 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,942 |
| Largest Cities once part of the Byzantine Empire | 0 | - | 4.83 | 21,825 |
| Cities of Ireland | 0 | - | 4.51 | 50,985 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 21,250 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,570 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.31 | 41,011 |
| Biggest Cities in North Carolina | 0 | - | 4.68 | 35,336 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 164,024 |
| Biggest Cities Starting With C | 0 | - | 4.12 | 105,944 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,632 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 127,543 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 129,006 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,701,413 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,686 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,477 |
| 10 Longest Rivers in the United States | 0 | - | 4.86 | 39,486 |
| US States with an Empty Map | 0 | - | 5.00 | 629,966 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,489 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,509 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,708 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.69 | 23,908 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,641 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,529 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,645 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,907 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 113,282 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,445 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,779 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,689 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,154 |
| Biggest Cities Ever Under Danish Rule | 0 | - | 4.49 | 16,328 |
| Cities in European Economic Areas on a Map | 0 | - | 4.73 | 18,294 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,763 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,480 |
| Countries Closest to Alaska | 0 | - | 4.93 | 125,399 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,752 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 50,350 |
| Rivers of the United States | 0 | - | 4.93 | 66,845 |
