| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 93,782 |
| Biggest Cities in Mexico | 0 | - | 4.51 | 35,046 |
| Biggest Cities in Germany | 0 | - | 4.95 | 268,475 |
| Biggest Cities in the World | 0 | - | 4.90 | 704,169 |
| Biggest Cities in Asia | 0 | - | 4.94 | 98,408 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 44,536 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.93 | 43,166 |
| All Cities in China with Population of 1 Million | 0 | - | 4.81 | 39,672 |
| Biggest Cities in Sweden | 0 | - | 4.84 | 37,898 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 79,669 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 203,601 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 122,882 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 378,913 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 310,407 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 100,564 |
| Biggest Cities in the United States | 0 | - | 4.93 | 850,498 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 339,020 |
| Biggest Cities in Canada | 0 | - | 4.66 | 122,610 |
| Biggest City by Time Zone | 0 | - | 4.85 | 56,140 |
| Biggest City in Every Country | 0 | - | 4.98 | 81,671 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 174,679 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 94,520 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 99,898 |
| Biggest Cities with Exceptions | 0 | - | 4.91 | 67,006 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.84 | 73,549 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.95 | 67,090 |
| Biggest Cities in Deserts | 0 | - | 4.94 | 43,046 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.91 | 61,005 |
| Ten Southernmost Megacities | 0 | - | 4.81 | 47,042 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 56,885 |
| Biggest Cities in 4 Random Countries on a Map | 0 | - | 4.99 | 109,844 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 49,270 |
| Cities of China (With Some Help) | 0 | - | 4.87 | 28,724 |
| Saint Lucia Country Quiz | 0 | - | 4.66 | 16,610 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.95 | 144,941 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.84 | 44,826 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.91 | 105,341 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 523,916 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 71,035 |
| 500 Biggest U.S. Urban Areas | 0 | - | 4.87 | 101,371 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.82 | 53,912 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.87 | 110,317 |
| Biggest Cities by Language | 0 | - | 4.95 | 216,650 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 65,419 |
| Most Populous World Capitals | 0 | - | 4.94 | 162,631 |
| Biggest European Cities by Century | 0 | - | 4.98 | 120,669 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 62,128 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.88 | 51,716 |
| Megacities on a World Map | 0 | - | 4.98 | 223,972 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.47 | 46,962 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 60,993 |
| All 3M Cities on the World Map | 0 | - | 4.95 | 64,862 |
| Biggest Cities in France - Extreme | 0 | - | 4.90 | 45,698 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 92,319 |
| Biggest City in Each U.S. State | 0 | - | 4.86 | 153,885 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 156,900 |
| Biggest Cities in Europe | 0 | - | 4.75 | 490,632 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.91 | 30,541 |
| Megacities on an Empty Map | 0 | - | 4.95 | 88,934 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.46 | 28,913 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.45 | 61,165 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.70 | 56,920 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.70 | 75,294 |
| Largest Nordic Cities on a Map | 0 | - | 4.82 | 30,952 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.41 | 13,467 |
| Biggest English Cities by Century | 0 | - | 4.90 | 100,641 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.83 | 64,567 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 68,700 |
| Biggest Cities in Australia on a Map | 0 | - | 4.62 | 33,741 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.38 | 37,979 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.25 | 95,625 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 53,016 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.79 | 69,693 |
| Biggest Mediterranean Cities | 0 | - | 4.58 | 87,329 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.63 | 37,685 |
| Cities on Interstate 90 on a Map | 0 | - | 4.44 | 29,349 |
| Biggest Cities in Japan | 0 | - | 4.66 | 76,773 |
| Biggest Cities in Russia | 0 | - | 4.49 | 77,714 |
| Biggest Cities in France | 0 | - | 4.72 | 203,573 |
| Biggest Cities in Spain | 0 | - | 4.55 | 156,550 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 51,283 |
| Biggest Cities in Poland | 0 | - | 4.57 | 49,165 |
| Biggest Cities in the UK | 0 | - | 4.46 | 95,347 |
| Biggest Cities in China | 0 | - | 4.55 | 142,064 |
| Cities of Ireland | 0 | - | 4.49 | 46,645 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 44,176 |
| Biggest Cities in India | 0 | - | 4.71 | 63,393 |
| Biggest Cities in Italy | 0 | - | 4.70 | 221,801 |
| Five Biggest Cities by Country - Extreme | 0 | - | 4.96 | 30,866 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.76 | 67,105 |
| All Cities in India with Population of 1 Million | 0 | - | 4.80 | 41,894 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.50 | 98,336 |
| Biggest Cities by Trait #1 | 0 | - | 4.43 | 43,413 |
| Biggest City by Region | 0 | - | 4.50 | 34,092 |
| Most Populous 2nd Cities | 0 | - | 4.75 | 54,105 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.96 | 79,011 |
| Largest World Capitals with Exceptions | 0 | - | 4.72 | 50,702 |
| Two Largest Cities by First Two Letters | 0 | - | 4.58 | 78,137 |
| Ten Northernmost Megacities | 0 | - | 4.50 | 47,472 |
| Biggest Cities in New Zealand | 0 | - | 4.57 | 23,021 |
| Biggest English-Speaking Cities | 0 | - | 4.43 | 137,605 |
| Biggest European Cities by Letter | 0 | - | 4.66 | 120,447 |
| Biggest City by Island | 0 | - | 4.57 | 46,156 |
| Biggest Cities in History | 0 | - | 4.50 | 81,991 |
| Top 10 World Cities Through History | 0 | - | 4.43 | 68,612 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.65 | 63,395 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.50 | 63,333 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.50 | 40,679 |
| U.S. States by Second Most Populous City | 0 | - | 4.43 | 40,899 |
| Biggest "Saint" Cities - United States | 0 | - | 4.47 | 34,447 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.45 | 37,562 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.58 | 37,289 |
| Biggest World Cities in 1850 | 0 | - | 4.64 | 65,228 |
| Biggest Urban Areas in the UK | 0 | - | 4.40 | 169,168 |
| Biggest Cities in Portugal | 0 | - | 4.42 | 19,164 |
| Biggest U.S. Cities A-Z | 0 | - | 4.71 | 132,878 |
| Biggest Cities Starting With A | 0 | - | 4.55 | 114,264 |
| Biggest Cities Starting With D | 0 | - | 4.49 | 108,515 |
| Biggest Cities Starting With H | 0 | - | 4.57 | 99,464 |
| Biggest Cities Starting With L | 0 | - | 4.44 | 112,467 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 131,169 |
| Biggest Cities Starting With P | 0 | - | 4.48 | 116,538 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.78 | 42,688 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.79 | 100,795 |
| Fastest Growing U.S. Cities | 0 | - | 4.36 | 70,710 |
| Second Biggest Cities Quiz | 0 | - | 4.25 | 39,282 |
| Biggest Nordic Cities | 0 | - | 4.38 | 59,954 |
| Biggest Coastal City by Country | 0 | - | 4.60 | 27,163 |
| Five Biggest Cities by Country | 0 | - | 4.69 | 154,988 |
| Biggest City by Region #2 | 0 | - | 4.46 | 23,412 |
| Biggest Cities by Latitude | 0 | - | 4.76 | 26,460 |
| Northernmost Major City by Country | 0 | - | 4.56 | 31,250 |
| Flags to Largest Cities | 0 | - | 4.55 | 33,085 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.49 | 21,243 |
| Biggest Cities in North Carolina | 0 | - | 4.66 | 32,578 |
| Biggest World Cities A-Z | 0 | - | 4.58 | 206,355 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,330,585 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 353,733 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 140,036 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 111,733 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.79 | 65,668 |
| Largest Cities in Alexander's Empire | 0 | - | 4.56 | 38,822 |
| Biggest Cities in the World - 2100 | 0 | - | 4.29 | 83,316 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.59 | 24,690 |
| Biggest Cities in Turkey on a Map | 0 | - | 4.21 | 17,610 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 39,987 |
| Biggest Cities Starting With B | 0 | - | 4.36 | 150,669 |
| Biggest Cities Starting With C | 0 | - | 4.08 | 98,206 |
| Biggest Cities Starting With K | 0 | - | 4.30 | 80,116 |
| Biggest Cities Starting With S | 0 | - | 4.40 | 116,778 |
| Biggest Cities Starting With T | 0 | - | 4.30 | 118,069 |
| Word Scramble - U.S. States | 0 | - | 4.96 | 465,067 |
| Biggest Cities in the Sun Belt on a Map | 0 | - | 4.79 | 19,725 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 129,336 |
| Countries with Megacities | 0 | - | 4.99 | 202,231 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 175,700 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.97 | 100,131 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 98,490 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 66,080 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 253,570 |
| Largest World Cities With Four Letters | 0 | - | 4.38 | 43,622 |
| Biggest Cities in Washington State | 0 | - | 4.44 | 30,480 |
| Biggest Cities in California | 0 | - | 4.35 | 132,161 |
| Biggest Cities in Florida | 0 | - | 4.20 | 68,248 |
| Biggest Cities in New York State | 0 | - | 4.29 | 56,548 |
| Biggest Cities in Pennsylvania | 0 | - | 4.14 | 43,214 |
| Biggest Cities in Ohio | 0 | - | 4.37 | 46,329 |
| Biggest Cities in Texas | 0 | - | 4.26 | 112,647 |
| Biggest Cities in Wisconsin | 0 | - | 4.45 | 23,739 |
| Random State Capital to U.S. State | 0 | - | 4.85 | 76,601 |
| Which City in Canada? | 0 | - | 4.90 | 46,020 |
| Countries Closest to United States A-Z | 0 | - | 4.84 | 108,751 |
| Countries Closest to Alaska | 0 | - | 4.92 | 100,525 |
| Countries Closest to Maine | 0 | - | 4.86 | 60,026 |
| Cartoon Versions of U.S. States | 0 | - | 4.82 | 53,405 |
| U.S. State Shapes Quiz #2 | 0 | - | 4.82 | 91,626 |
| U.S. States that Start with M - Shape Quiz | 0 | - | 4.94 | 52,589 |
| U.S. State Flags | 0 | - | 4.88 | 140,820 |
| Great Plains States and Provinces on a Map | 0 | - | 4.94 | 39,450 |
| Hawaiian Islands | 0 | - | 4.86 | 38,973 |
| Rivers of the United States | 0 | - | 4.92 | 58,251 |
| U.S. States that Border Canada | 0 | - | 4.90 | 167,318 |
| U.S. States that Border Tennessee | 0 | - | 4.84 | 58,140 |
| Capitals of the Most Populated Countries | 0 | - | 4.96 | 118,248 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.94 | 67,588 |
| Countries of Europe by Population | 0 | - | 4.98 | 131,821 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 248,631 |
| Most Populous Countries by Year | 0 | - | 4.81 | 95,988 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 110,727 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 104,354 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.94 | 72,430 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.97 | 79,441 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 98,563 |
| Countries with the Most People Bordering Them | 0 | - | 4.97 | 85,032 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.98 | 95,209 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 73,134 |
| Countries with a Population Under 1 Million by Clue | 0 | - | 4.99 | 87,059 |
| Countries by Population Range - Tile Select | 0 | - | 4.84 | 51,438 |
| Jewish Cities Quiz | 0 | - | 4.31 | 59,612 |
| U.S. Cities by Hispanic Population | 0 | - | 4.27 | 24,776 |
