| Biggest Cities in the World | 0 | - | 4.91 | 797,788 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 345,216 |
| Biggest Cities in Asia | 0 | - | 4.95 | 116,818 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 49,965 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.95 | 50,895 |
| Biggest Cities in Germany | 0 | - | 4.95 | 293,240 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 37,867 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 417,011 |
| Biggest Cities in the United States | 0 | - | 4.94 | 977,167 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 365,867 |
| Biggest City by Time Zone | 0 | - | 4.88 | 67,763 |
| Biggest City in Every Country | 0 | - | 4.98 | 100,317 |
| Five Most Populated Cities by Continent | 0 | - | 4.92 | 224,690 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 110,162 |
| Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 133,433 |
| Biggest Cities with Exceptions | 0 | - | 4.90 | 79,664 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 224,136 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.87 | 84,388 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.98 | 136,656 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.96 | 79,723 |
| Biggest Cities in Deserts | 0 | - | 4.97 | 57,255 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 115,163 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 69,938 |
| Ten Southernmost Megacities | 0 | - | 4.87 | 64,065 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.98 | 67,530 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 130,120 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.88 | 95,831 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 45,998 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.92 | 98,538 |
| Cities of China (With Some Help) | 0 | - | 4.90 | 31,524 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.91 | 128,371 |
| Biggest Cities by Language | 0 | - | 4.96 | 246,246 |
| Largest City by Island | 0 | - | 4.87 | 71,786 |
| Biggest Cities in Europe in 1700 | 0 | - | 4.92 | 70,881 |
| Most Populous World Capitals | 0 | - | 4.94 | 175,824 |
| Biggest European Cities by Century | 0 | - | 4.99 | 145,368 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.96 | 159,163 |
| Megacities on a World Map | 0 | - | 4.98 | 254,116 |
| 15 Largest Cities in North America With a Map | 0 | - | 4.98 | 47,172 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 118,274 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 577,639 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 67,294 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 74,841 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.93 | 79,325 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.95 | 41,697 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.90 | 116,672 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.84 | 62,135 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 114,457 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 168,227 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 168,046 |
| Biggest Cities in Europe | 0 | - | 4.73 | 545,991 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.87 | 56,022 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 125,881 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 56,617 |
| Megacities on an Empty Map | 0 | - | 4.97 | 118,266 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 41,175 |
| All Cities in India with Population of 1 Million | 0 | - | 4.83 | 47,515 |
| Every 100k+ City in the United States on a Map | 0 | - | 4.97 | 114,064 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 68,866 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 73,488 |
| Biggest English Cities by Century | 0 | - | 4.90 | 106,215 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.73 | 73,446 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 91,276 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.70 | 65,618 |
| Biggest Urban Areas in the UK | 0 | - | 4.42 | 176,261 |
| Biggest Cities in France | 0 | - | 4.70 | 223,837 |
| Biggest Cities in Spain | 0 | - | 4.63 | 171,015 |
| Biggest Cities in the UK | 0 | - | 4.48 | 105,158 |
| Biggest Cities in China | 0 | - | 4.53 | 158,417 |
| Biggest Cities in Italy | 0 | - | 4.77 | 240,936 |
| Biggest Cities in Latin America | 0 | - | 4.48 | 64,720 |
| Second Biggest Cities by Country | 0 | - | 4.43 | 59,492 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 102,068 |
| Biggest Cities by Trait #1 | 0 | - | 4.50 | 55,951 |
| Biggest City by Region | 0 | - | 4.50 | 36,174 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 57,103 |
| Northernmost Major City by Country | 0 | - | 4.56 | 33,173 |
| Largest World Capitals with Exceptions | 0 | - | 4.63 | 52,341 |
| Two Largest Cities by First Two Letters | 0 | - | 4.52 | 83,218 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 49,395 |
| Biggest English-Speaking Cities | 0 | - | 4.44 | 152,493 |
| Biggest European Cities by Letter | 0 | - | 4.54 | 126,605 |
| Biggest Cities in History | 0 | - | 4.52 | 90,084 |
| Top 10 World Cities Through History | 0 | - | 4.42 | 76,964 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.56 | 65,458 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 84,414 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.78 | 46,972 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.47 | 84,905 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.53 | 43,382 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 43,942 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 36,798 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 40,365 |
| Most Populous U.S. Cities as a Percent of Their State | 0 | - | 4.78 | 55,141 |
| Biggest World Cities in 1850 | 0 | - | 4.61 | 68,433 |
| Biggest Cities in the Blue Banana | 0 | - | 4.56 | 36,354 |
| Cities of Ireland | 0 | - | 4.51 | 50,632 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 41,461 |
| Biggest Cities Starting With A | 0 | - | 4.62 | 124,236 |
| Biggest Cities Starting With D | 0 | - | 4.52 | 116,552 |
| Biggest Cities Starting With H | 0 | - | 4.54 | 109,317 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 122,636 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 143,259 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 126,999 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 73,056 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.41 | 48,792 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.42 | 51,513 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.59 | 43,934 |
| Largest Nordic Cities on a Map | 0 | - | 4.77 | 37,051 |
| Colour in the Flag Map by Guessing Cities | 0 | - | 4.92 | 64,530 |
| Cities on Interstate 90 on a Map | 0 | - | 4.45 | 32,149 |
| Biggest Cities in Japan | 0 | - | 4.69 | 83,011 |
| Biggest Cities in Russia | 0 | - | 4.49 | 82,365 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 55,950 |
| Biggest Cities in Poland | 0 | - | 4.63 | 53,840 |
| Biggest Cities in Canada | 0 | - | 4.54 | 132,779 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 47,187 |
| Biggest Cities in India | 0 | - | 4.63 | 67,709 |
| Countries With More Than 100 Million People | 0 | - | 4.99 | 165,821 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.97 | 124,044 |
| Top 50 Countries by Population - In Order | 0 | - | 4.98 | 329,673 |
| Fastest Growing U.S. Cities | 0 | - | 4.35 | 73,026 |
| Biggest Coastal City by Country | 0 | - | 4.61 | 28,048 |
| Biggest City by Region #2 | 0 | - | 4.43 | 24,790 |
| Biggest Cities by Latitude Range | 0 | - | 4.78 | 27,544 |
| Biggest Cities by Trait #2 | 0 | - | 4.47 | 20,574 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.70 | 107,707 |
| Biggest Nordic Cities | 0 | - | 4.36 | 61,579 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 166,490 |
| U.S. Cities by Hispanic Population | 0 | - | 4.32 | 38,291 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.69 | 60,160 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.69 | 79,207 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.75 | 43,812 |
| Flags to Largest Cities | 0 | - | 4.54 | 51,325 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.52 | 23,580 |
| Biggest Cities in Brazil | 0 | - | 4.56 | 53,077 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 39,292 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 24,181 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.43 | 109,971 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.42 | 94,085 |
| Biggest World Cities A-Z | 0 | - | 4.63 | 222,906 |
| Biggest Countries by Population | 0 | - | 5.00 | 1,444,499 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 380,036 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 173,253 |
| Countries with Megacities | 0 | - | 4.99 | 262,410 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 199,087 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 113,114 |
| Countries With More than 200 Million People | 0 | - | 4.96 | 137,391 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 81,167 |
| Largest Cities in Alexander's Empire | 0 | - | 4.58 | 39,943 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.30 | 116,691 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.48 | 63,390 |
| Biggest Cities Near a Border | 0 | - | 4.22 | 31,904 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 25,824 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.47 | 31,161 |
| Biggest Cities in Portugal | 0 | - | 4.43 | 20,972 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 36,171 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 40,918 |
| Biggest Cities in North Carolina | 0 | - | 4.64 | 35,055 |
| Biggest Cities Starting With B | 0 | - | 4.34 | 162,637 |
| Biggest Cities Starting With C | 0 | - | 4.11 | 105,244 |
| Biggest Cities Starting With K | 0 | - | 4.31 | 87,039 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 126,473 |
| Biggest Cities Starting With T | 0 | - | 4.29 | 128,157 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.68 | 23,626 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 127,826 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.96 | 86,638 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 267,604 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 121,793 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 112,340 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.92 | 93,463 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 59,012 |
| Largest World Cities With Four Letters | 0 | - | 4.39 | 62,804 |
| Biggest Cities Once in the Roman Empire | 0 | - | 4.78 | 68,791 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.38 | 31,998 |
| Cities in European Economic Areas on a Map | 0 | - | 4.69 | 17,563 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.44 | 14,620 |
| Jewish Cities Quiz | 0 | - | 4.34 | 61,804 |
| The Most Populous U.S. City by Category | 0 | - | 4.37 | 22,370 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 18,054 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.36 | 102,066 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.16 | 107,283 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.16 | 85,473 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.17 | 80,538 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.39 | 33,668 |
| Biggest U.S. Cities Starting with P | 0 | - | 4.04 | 67,476 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.28 | 73,429 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.37 | 81,648 |
| Biggest U.S. Cities A-Z | 0 | - | 4.69 | 139,178 |
| Biggest Cities in California | 0 | - | 4.35 | 139,804 |
| Biggest Cities in Florida | 0 | - | 4.24 | 72,071 |
| Biggest Cities in New York State | 0 | - | 4.32 | 59,632 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 45,384 |
| Biggest Cities in Colorado | 0 | - | 4.05 | 32,233 |
| Biggest Cities in Ohio | 0 | - | 4.38 | 48,745 |
| Biggest Cities in Texas | 0 | - | 4.29 | 119,292 |
| Biggest Cities in Wisconsin | 0 | - | 4.46 | 25,168 |
| Countries of Europe by Population | 0 | - | 4.98 | 180,524 |
| Most Populous Countries by Year | 0 | - | 4.83 | 110,502 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.96 | 95,548 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.97 | 130,338 |
