| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,263 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,254 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 80,237 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,769 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,793 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,207 |
| Biggest Cities in the World | 0 | - | 4.91 | 798,585 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,509 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,937 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 50,049 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,950 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 126,041 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 417,542 |
| Biggest Cities in the United States | 0 | - | 4.94 | 978,141 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 366,096 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,898 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,488 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,968 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,299 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 133,750 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,785 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,307 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,489 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,754 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,856 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 59,430 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,294 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 70,015 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,430 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,610 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,278 |
| All 100k+ Cities in Europe on a Map | 0 | - | 4.99 | 101,364 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,845 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,502 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,367 |
| Largest City by Island | 0 | - | 4.87 | 71,846 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.93 | 70,961 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,926 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,473 |
| Megacities on a World Map | 0 | - | 4.98 | 254,451 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,378 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 86,638 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 578,031 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,332 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,904 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,962 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,825 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,389 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,608 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,172 |
| Three Biggest Cities by Time Zone With Map | 0 | - | 4.98 | 34,798 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,325 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,188 |
| Biggest Cities in Europe | 0 | - | 4.73 | 546,268 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 73,095 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,062 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,816 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,540 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,678 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,387 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,176 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,406 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,743 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,958 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,178 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 46,053 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,193 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,691 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,543 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 114,193 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,898 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,516 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,322 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,549 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,243 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 116,972 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,476 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,290 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 66,034 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,557 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,081 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,975 |
| Biggest City by Region | 0 | - | 4.50 | 36,212 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,134 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,183 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,348 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,242 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,410 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 152,565 |
| Biggest European Cities by Letter | 0 | - | 4.55 | 126,636 |
| Biggest Cities in History | 0 | - | 4.52 | 90,133 |
| Top 10 World Cities Through History | 0 | - | 4.42 | 77,372 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,468 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,452 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,979 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,402 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,454 |
| Biggest Cities in the Blue Banana | 0 | - | 4.56 | 36,381 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,383 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,893 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 18,065 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,539 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,333 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,628 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,399 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,973 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,373 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 127,090 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,983 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 37,080 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,569 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 176,298 |
| Biggest Cities in Japan | 0 | - | 4.69 | 83,066 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,396 |
| Biggest Cities in France | 0 | - | 4.70 | 223,945 |
| Biggest Cities in Spain | 0 | - | 4.63 | 171,115 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,988 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,887 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,226 |
| Biggest Cities in China | 0 | - | 4.53 | 158,560 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,209 |
| Biggest Cities in India | 0 | - | 4.64 | 67,737 |
| Biggest Cities in Italy | 0 | - | 4.77 | 241,046 |
| US States Quiz | 0 | - | 5.00 | 16,871,826 |
| U.S. States that Border Canada | 0 | - | 4.91 | 184,875 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,930 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,154 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 330,114 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,041 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,062 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,818 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,548 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,609 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,745 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,588 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,564 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,193 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,241 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,826 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,369 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,595 |
| 100 Biggest Soviet Cities in 1989 with a Map | 0 | - | 4.97 | 29,829 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 53,127 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,324 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,186 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 110,050 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,131 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 223,003 |
| Mexico Cities Map Quiz | 0 | - | 4.83 | 38,529 |
| All 3,143 Counties of the United States on a Map | 0 | - | 4.97 | 331,910 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,445,415 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,260 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,417 |
| Countries with Megacities | 0 | - | 4.99 | 263,183 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,248 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,220 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,544 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,250 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,951 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,402 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,934 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,834 |
| Largest Cities once part of the Byzantine Empire | 0 | - | 4.83 | 21,578 |
| Cities of Ireland | 0 | - | 4.51 | 50,652 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,980 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,199 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,924 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,072 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,735 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,303 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,111 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,568 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,242 |
| U.S. State Capitals Quiz | 0 | - | 5.00 | 1,689,431 |
| U.S. Cities with the Biggest Economies | 0 | - | 4.83 | 72,795 |
| Countries Closest to United States by Continent | 0 | - | 4.99 | 146,430 |
| 10 Longest Rivers in the United States | 0 | - | 4.85 | 39,169 |
| US States with an Empty Map | 0 | - | 5.00 | 624,457 |
| U.S. States or European Countries by Area | 0 | - | 4.95 | 96,002 |
| Louisiana Purchase with a Map | 0 | - | 4.96 | 48,582 |
| U.S. States or European Countries by Population | 0 | - | 4.97 | 133,170 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,651 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,885 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,707 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,751 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,874 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,383 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,526 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,069 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 63,598 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,814 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 32,015 |
| Biggest Cities Ever Under Danish Rule | 0 | - | 4.49 | 16,219 |
| Cities in European Economic Areas on a Map | 0 | - | 4.69 | 17,619 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,630 |
| U.S. State Capitals Map Quiz | 0 | - | 4.93 | 144,535 |
| Countries Closest to Alaska | 0 | - | 4.93 | 124,321 |
| Countries Closest to Maine | 0 | - | 4.85 | 67,100 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 49,426 |
| Rivers of the United States | 0 | - | 4.93 | 66,187 |
