| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 159,468 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,452 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 82,670 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,963 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 117,318 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,408 |
| Biggest Cities in the World | 0 | - | 4.91 | 800,238 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 346,366 |
| Biggest Cities in Asia | 0 | - | 4.95 | 117,235 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.93 | 50,171 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 51,132 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,384 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 418,383 |
| Biggest Cities in the United States | 0 | - | 4.94 | 980,163 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,567 |
| Biggest City by Time Zone | 0 | - | 4.88 | 68,185 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,895 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 225,634 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,611 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 134,509 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 80,027 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,651 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,698 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,998 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 80,162 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 60,060 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,583 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,219 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,745 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,815 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,851 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.99 | 101,684 |
| 5 Most Populous Cities in Each Country With a Map | 0 | - | 4.96 | 39,648 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,989 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,938 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,831 |
| Largest City by Island | 0 | - | 4.87 | 72,000 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 71,107 |
| Most Populous World Capitals | 0 | - | 4.94 | 176,119 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,680 |
| Megacities on a World Map | 0 | - | 4.98 | 255,084 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,627 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 90,042 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 579,000 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,456 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 75,096 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 44,029 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,874 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,435 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 115,005 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,221 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,920 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,591 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,436 |
| Biggest Cities in Europe | 0 | - | 4.73 | 546,917 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.46 | 73,153 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,264 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,889 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,597 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,904 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,605 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,228 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,828 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,787 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 96,388 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,224 |
| All Cities in China with Population of 1 Million | 0 | - | 4.82 | 46,174 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,247 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 99,017 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,615 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 114,490 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,972 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,600 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,369 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,614 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,419 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 117,401 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.74 | 73,548 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,340 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 66,653 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.81 | 75,468 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,686 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,550 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 56,025 |
| Biggest City by Region | 0 | - | 4.50 | 36,265 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,178 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,215 |
| Largest World Capitals with Exceptions | 0 | - | 4.64 | 52,370 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,333 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,443 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 163,480 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,732 |
| Biggest Cities in History | 0 | - | 4.52 | 90,253 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 77,856 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,497 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,592 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 47,015 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,460 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,513 |
| Biggest Cities in the Blue Banana | 0 | - | 4.57 | 36,458 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,402 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,980 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 18,090 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,702 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,471 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,733 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,521 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 123,109 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,527 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,223 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 44,221 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 37,158 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,680 |
| Biggest Urban Areas in the UK | 0 | - | 4.43 | 176,399 |
| Biggest Cities in Japan | 0 | - | 4.69 | 83,185 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,479 |
| Biggest Cities in France | 0 | - | 4.70 | 224,275 |
| Biggest Cities in Spain | 0 | - | 4.63 | 171,340 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 56,051 |
| Biggest Cities in Poland | 0 | - | 4.62 | 53,979 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,370 |
| Biggest Cities in China | 0 | - | 4.53 | 158,883 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,273 |
| Biggest Cities in India | 0 | - | 4.64 | 67,810 |
| Biggest Cities in Italy | 0 | - | 4.77 | 241,340 |
| US States Quiz | 0 | - | 5.00 | 16,902,195 |
| U.S. States that Border Canada | 0 | - | 4.91 | 185,313 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 166,337 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,334 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 331,176 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,072 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,088 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,837 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,565 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,682 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,849 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,605 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,735 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,258 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,316 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,863 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,479 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,614 |
| 100 Biggest Soviet Cities in 1989 with a Map | 0 | - | 4.97 | 29,891 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 53,187 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,391 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,195 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,179 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,230 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,257 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,618 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 332,736 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,447,358 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,781 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,761 |
| Countries with Megacities | 0 | - | 4.99 | 264,244 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,618 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,402 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,886 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,463 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,972 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,451 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,984 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,851 |
| Largest Cities once part of the Byzantine Empire | 0 | - | 4.83 | 21,666 |
| Cities of Ireland | 0 | - | 4.51 | 50,712 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 21,024 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,267 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,942 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,104 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,893 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,392 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,179 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,712 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,380 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,691,666 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,919 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,593 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,211 |
| US States with an Empty Map | 0 | - | 5.00 | 625,492 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,255 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,762 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,392 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,704 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 128,000 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,844 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 268,078 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 122,061 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,510 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,672 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,176 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 64,016 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,046 |
| Biggest Cities Ever Under Danish Rule | 0 | - | 4.49 | 16,238 |
| Cities in European Economic Areas on a Map | 0 | - | 4.70 | 17,751 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,651 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,779 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,486 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,203 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,596 |
