| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 160,272 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 48,229 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 85,046 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 42,653 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 118,499 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 63,073 |
| Biggest Cities in the World | 0 | - | 4.91 | 807,392 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 349,563 |
| Biggest Cities in Asia | 0 | - | 4.95 | 118,420 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,499 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,643 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 127,883 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 421,317 |
| Biggest Cities in the United States | 0 | - | 4.94 | 989,637 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 368,627 |
| Biggest City by Time Zone | 0 | - | 4.88 | 69,143 |
| Biggest City in Every Country | 0 | - | 4.98 | 102,267 |
| Biggest Cities by Latitude Range | 0 | - | 4.81 | 33,004 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 227,971 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 111,740 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 150,748 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,996 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 226,189 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 85,426 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 137,980 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 81,143 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,740 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 116,777 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.92 | 70,880 |
| Ten Southernmost Megacities | 0 | - | 4.84 | 65,340 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 68,598 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 132,849 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.99 | 103,241 |
| Biggest Cities in Canada | 0 | - | 4.55 | 133,704 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 129,824 |
| Biggest Cities by Language | 0 | - | 4.96 | 247,918 |
| Largest City by Island | 0 | - | 4.87 | 72,598 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,520 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,921 |
| Biggest European Cities by Century | 0 | - | 4.99 | 146,285 |
| Megacities on a World Map | 0 | - | 4.98 | 257,603 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 119,599 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 92,604 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 583,439 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,872 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,871 |
| U.S. States by Second Most Populous City | 0 | - | 4.43 | 44,216 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 37,039 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,568 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 116,863 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,465 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 35,386 |
| Biggest City in Each U.S. State | 0 | - | 4.87 | 169,909 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 169,284 |
| Biggest Cities in Europe | 0 | - | 4.70 | 549,927 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,440 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,627 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 49,128 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,795 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 57,634 |
| Megacities on an Empty Map | 0 | - | 4.97 | 119,397 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,414 |
| Biggest Cities in Germany | 0 | - | 4.95 | 295,753 |
| Cities of China (With Some Help) | 0 | - | 4.91 | 31,845 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 65,042 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.89 | 97,772 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,453 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,742 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,528 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 100,457 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 48,118 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.98 | 119,937 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.84 | 69,384 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 74,046 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,599 |
| Biggest English Cities by Century | 0 | - | 4.91 | 107,113 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 118,905 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,853 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,555 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 68,735 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 76,247 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 60,230 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,689 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,189 |
| Biggest City by Region | 0 | - | 4.50 | 36,426 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,385 |
| Northernmost Major City by Country | 0 | - | 4.57 | 33,333 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,465 |
| Two Largest Cities by First Two Letters | 0 | - | 4.53 | 83,636 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,609 |
| Biggest English-Speaking Cities | 0 | - | 4.45 | 166,088 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 127,574 |
| Biggest Cities in History | 0 | - | 4.52 | 90,729 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 79,246 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,623 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,994 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,115 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.54 | 43,657 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,745 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 36,745 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,509 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 38,254 |
| Saint Lucia Country Quiz | 0 | - | 4.68 | 18,169 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 42,468 |
| Biggest Cities Starting With A | 0 | - | 4.63 | 125,297 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 117,281 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 110,110 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,731 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 144,389 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,911 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.61 | 44,739 |
| Largest Nordic Cities on a Map | 0 | - | 4.78 | 37,473 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 65,152 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 177,119 |
| Biggest Cities in Japan | 0 | - | 4.68 | 83,625 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,858 |
| Biggest Cities in France | 0 | - | 4.72 | 225,707 |
| Biggest Cities in Spain | 0 | - | 4.64 | 172,412 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,376 |
| Biggest Cities in Poland | 0 | - | 4.62 | 54,367 |
| Biggest Cities in the UK | 0 | - | 4.48 | 106,004 |
| Biggest Cities in China | 0 | - | 4.53 | 160,280 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,525 |
| Biggest Cities in India | 0 | - | 4.64 | 68,138 |
| Biggest Cities in Italy | 0 | - | 4.78 | 242,802 |
| US States Quiz | 0 | - | 5.00 | 17,029,242 |
| U.S. States that Border Canada | 0 | - | 4.91 | 187,149 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 167,222 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 125,237 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 336,931 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,209 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,156 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,937 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,986 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.64 | 108,230 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,733 |
| Five Biggest Cities by Country | 0 | - | 4.70 | 167,522 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,544 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,617 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,955 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,951 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,804 |
| 100 Biggest Soviet Cities in 1989 with a Map | 0 | - | 4.97 | 30,180 |
| Biggest Cities in Brazil | 0 | - | 4.57 | 53,511 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,652 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,278 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,727 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,676 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 224,461 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,886 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 336,440 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,456,636 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 383,139 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 175,615 |
| Countries with Megacities | 0 | - | 4.99 | 268,091 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 201,262 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 114,395 |
| Countries With More than 200 Million People | 0 | - | 4.95 | 139,600 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 82,498 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 40,069 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,641 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 32,127 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,938 |
| Largest Cities once part of the Byzantine Empire | 0 | - | 4.83 | 21,821 |
| Cities of Ireland | 0 | - | 4.51 | 50,977 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 21,242 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,531 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.31 | 41,010 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,299 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 163,973 |
| Biggest Cities Starting With C | 0 | - | 4.12 | 105,908 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,604 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 127,502 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,971 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,700,974 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 73,658 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 147,441 |
| 10 Longest Rivers in the United States | 0 | - | 4.86 | 39,472 |
| US States with an Empty Map | 0 | - | 5.00 | 629,770 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 97,451 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 49,481 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 134,663 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,897 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,608 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 87,498 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 269,592 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,877 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 113,155 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.91 | 94,406 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,755 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,665 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,151 |
| Biggest Cities Ever Under Danish Rule | 0 | - | 4.49 | 16,323 |
| Cities in European Economic Areas on a Map | 0 | - | 4.73 | 18,268 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,757 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 151,429 |
| Countries Closest to Alaska | 0 | - | 4.93 | 125,353 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,724 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 50,311 |
| Rivers of the United States | 0 | - | 4.93 | 66,819 |
