| Biggest Cities in Germany | 0 | - | 4.95 | 263,525 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 76,505 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.84 | 44,023 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 50,994 |
| Biggest Cities in France - Extreme | 0 | - | 4.89 | 43,942 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 199,545 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 304,626 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 97,736 |
| Biggest Cities in Sweden | 0 | - | 4.82 | 37,303 |
| Biggest Cities in the World | 0 | - | 4.89 | 688,465 |
| Biggest Cities in Asia | 0 | - | 4.94 | 96,069 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 43,554 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.93 | 41,838 |
| Biggest Cities in Europe | 0 | - | 4.76 | 465,766 |
| Biggest City by Time Zone | 0 | - | 4.84 | 54,550 |
| Biggest City in Every Country | 0 | - | 4.97 | 79,074 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 170,236 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 92,292 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 96,566 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 65,096 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.86 | 71,657 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 110,248 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 371,870 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.94 | 65,410 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 42,451 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 59,828 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 46,436 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 55,393 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 106,621 |
| Biggest Cities in the United States | 0 | - | 4.93 | 823,616 |
| Biggest Cities in France | 0 | - | 4.76 | 199,967 |
| Biggest Cities in Spain | 0 | - | 4.50 | 153,793 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 334,510 |
| Biggest Cities in the UK | 0 | - | 4.46 | 93,635 |
| Biggest Cities in Italy | 0 | - | 4.65 | 217,520 |
| Cities of China (With Some Help) | 0 | - | 4.87 | 28,257 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 109,133 |
| Biggest Cities by Language | 0 | - | 4.95 | 214,166 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.94 | 64,912 |
| Most Populous World Capitals | 0 | - | 4.92 | 148,723 |
| Biggest European Cities by Century | 0 | - | 4.98 | 118,950 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.94 | 134,242 |
| Megacities on a World Map | 0 | - | 4.98 | 220,991 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.91 | 92,133 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 514,899 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 59,955 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 63,559 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 69,615 |
| 500 Biggest US Cities | 0 | - | 4.87 | 98,437 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.81 | 52,498 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 84,595 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.76 | 64,710 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 151,426 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 91,216 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.79 | 68,888 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.63 | 36,929 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 155,063 |
| Megacities on an Empty Map | 0 | - | 4.95 | 87,675 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.57 | 36,142 |
| Biggest Urban Areas in the UK | 0 | - | 4.40 | 167,918 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 50,286 |
| Cities of Ireland | 0 | - | 4.43 | 39,778 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 43,631 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.91 | 29,204 |
| Biggest European Cities by Letter | 0 | - | 4.66 | 119,070 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.65 | 62,967 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 63,835 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 67,948 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 33,007 |
| Biggest English Cities by Century | 0 | - | 4.90 | 99,673 |
| Biggest Mediterranean Cities | 0 | - | 4.57 | 86,630 |
| Largest Nordic Cities on a Map | 0 | - | 4.76 | 23,375 |
| Biggest Cities in Russia | 0 | - | 4.49 | 76,745 |
| Biggest Cities in Poland | 0 | - | 4.57 | 48,164 |
| Biggest Cities in China | 0 | - | 4.64 | 138,933 |
| Biggest Cities in Portugal | 0 | - | 4.41 | 18,827 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.45 | 60,451 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.48 | 97,576 |
| Biggest Cities by Trait #1 | 0 | - | 4.45 | 43,101 |
| Biggest City by Region | 0 | - | 4.49 | 33,689 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 53,449 |
| Largest World Capitals with Exceptions | 0 | - | 4.72 | 50,398 |
| Two Largest Cities by First Two Letters | 0 | - | 4.58 | 76,787 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 47,059 |
| All Cities in China with Population of 1 Million | 0 | - | 4.79 | 38,730 |
| Biggest Nordic Cities | 0 | - | 4.38 | 59,690 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.97 | 78,092 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.49 | 60,549 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 40,390 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 34,016 |
| Biggest English-Speaking Cities | 0 | - | 4.42 | 136,306 |
| Biggest City by Island | 0 | - | 4.57 | 45,798 |
| Biggest Cities in History | 0 | - | 4.50 | 80,363 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 68,014 |
| Largest Cities in Alexander's Empire | 0 | - | 4.56 | 38,637 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.49 | 40,175 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 24,466 |
| Biggest World Cities in 1850 | 0 | - | 4.58 | 64,636 |
| Biggest Cities Starting With A | 0 | - | 4.56 | 112,341 |
| Biggest Cities Starting With D | 0 | - | 4.49 | 106,976 |
| Biggest Cities Starting With H | 0 | - | 4.55 | 97,795 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 110,672 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 129,027 |
| Biggest Cities Starting With P | 0 | - | 4.47 | 114,853 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 43,272 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.79 | 65,059 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 61,614 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.46 | 37,812 |
| Biggest Cities in Japan | 0 | - | 4.66 | 75,712 |
| Biggest Cities in Canada | 0 | - | 4.66 | 120,909 |
| Biggest Cities in India | 0 | - | 4.72 | 62,480 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 137,393 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.95 | 109,960 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.79 | 99,607 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 70,241 |
| Second Biggest Cities Quiz | 0 | - | 4.25 | 38,996 |
| Biggest Coastal City by Country | 0 | - | 4.59 | 27,037 |
| Five Biggest Cities by Country | 0 | - | 4.67 | 152,650 |
| Biggest City by Region #2 | 0 | - | 4.46 | 23,146 |
| Biggest Cities by Latitude | 0 | - | 4.76 | 26,255 |
| Northernmost Major City by Country | 0 | - | 4.56 | 30,902 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.67 | 56,369 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.71 | 74,616 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.79 | 42,489 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 30,268 |
| Flags to Largest Cities | 0 | - | 4.54 | 32,061 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.47 | 20,750 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 48,467 |
| All Cities in India with Population of 1 Million | 0 | - | 4.79 | 41,060 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 22,781 |
| Biggest Cities in North Carolina | 0 | - | 4.66 | 32,014 |
| Biggest World Cities A-Z | 0 | - | 4.55 | 194,214 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,312,883 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 349,931 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 126,458 |
| Countries with Megacities | 0 | - | 4.99 | 197,730 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 171,966 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 98,206 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 95,777 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.96 | 64,175 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 248,434 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.38 | 37,294 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.25 | 91,704 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 52,652 |
| Biggest Cities in the World - 2100 | 0 | - | 4.29 | 81,352 |
| Cities on Interstate 90 on a Map | 0 | - | 4.41 | 27,906 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 28,580 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 39,829 |
| Biggest Cities Starting With B | 0 | - | 4.35 | 148,208 |
| Biggest Cities Starting With C | 0 | - | 4.07 | 97,070 |
| Biggest Cities Starting With K | 0 | - | 4.30 | 78,866 |
| Biggest Cities Starting With S | 0 | - | 4.39 | 114,803 |
| Biggest Cities Starting With T | 0 | - | 4.30 | 116,388 |
| James Bond Countries Visited Map | 0 | - | 4.99 | 54,815 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.41 | 13,146 |
| Biggest Cities in Mexico | 0 | - | 4.54 | 29,333 |
| Biggest U.S. Cities A-Z | 0 | - | 4.70 | 128,632 |
| Biggest Trading Partners - UK | 0 | - | 4.86 | 57,105 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 117,084 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 66,232 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 245,281 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 109,187 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 99,301 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 70,088 |
| Countries by Population Range - Tile Select | 0 | - | 4.87 | 50,601 |
| Jewish Cities Quiz | 0 | - | 4.31 | 59,290 |
| U.S. Cities by Hispanic Population | 0 | - | 4.26 | 24,563 |
| Biggest Cities by Trait #2 | 0 | - | 4.38 | 14,197 |
| The Most Populous U.S. City by Category | 0 | - | 4.36 | 14,720 |
| Saint Lucia Country Quiz | 0 | - | 4.66 | 16,338 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.39 | 87,210 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.39 | 73,385 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.31 | 81,694 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.09 | 87,392 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.18 | 69,371 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.23 | 64,879 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.23 | 60,473 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.27 | 67,822 |
| Biggest Cities in Washington State | 0 | - | 4.45 | 29,411 |
| Biggest Cities in California | 0 | - | 4.35 | 130,553 |
| Biggest Cities in Florida | 0 | - | 4.20 | 67,436 |
| Biggest Cities in New York State | 0 | - | 4.29 | 55,900 |
| Biggest Cities in Pennsylvania | 0 | - | 4.14 | 42,715 |
| Biggest Cities in Ohio | 0 | - | 4.37 | 45,751 |
| Biggest Cities in Texas | 0 | - | 4.26 | 111,486 |
| Biggest Cities in Wisconsin | 0 | - | 4.45 | 23,410 |
| Countries of Europe by Population | 0 | - | 4.98 | 127,325 |
| Most Populous Countries by Year | 0 | - | 4.81 | 93,898 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 78,814 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 96,792 |
| Countries with the Most People Bordering Them | 0 | - | 4.95 | 75,513 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 93,650 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 70,414 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 86,014 |
| Biggest Cities Near a Border | 0 | - | 4.20 | 28,544 |
| Cities in Squares on a Map - North America | 0 | - | 4.36 | 19,400 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.21 | 17,095 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 205,504 |
| First Countries to Reach 5 Million People | 0 | - | 4.90 | 109,713 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.86 | 68,696 |
