| Quiz | Points | Best | Rating | Takes |
|---|
| All 1M Cities by Proximity | 0 | - | 5.00 | 503,725 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 655,420 |
| Biggest City in Every Country | 0 | - | 4.98 | 75,451 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 163,919 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 89,379 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 92,089 |
| Biggest Cities with Exceptions | 0 | - | 4.84 | 51,807 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.84 | 57,110 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 363,231 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.94 | 62,663 |
| Biggest Cities in Deserts | 0 | - | 4.93 | 41,317 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.89 | 58,093 |
| 100 Biggest Cities in the World with Exceptions | 0 | - | 4.97 | 53,441 |
| Biggest Cities in the United States | 0 | - | 4.90 | 799,328 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 318,342 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 195,615 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 107,098 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 298,353 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 94,735 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.85 | 107,288 |
| Biggest Cities by Language | 0 | - | 4.95 | 211,097 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 64,120 |
| Most Populous World Capitals | 0 | - | 4.91 | 144,265 |
| Biggest European Cities by Century | 0 | - | 4.96 | 116,907 |
| Megacities on a World Map | 0 | - | 4.98 | 217,075 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 58,881 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 61,897 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.82 | 50,997 |
| Every 1,000,000+ City on a Map | 0 | - | 4.98 | 80,651 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 148,424 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 152,683 |
| Biggest Cities in Asia | 0 | - | 4.91 | 93,912 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 42,311 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 89,651 |
| Megacities on an Empty Map | 0 | - | 4.96 | 85,949 |
| African Cities in the Top 200 Worldwide | 0 | - | 4.93 | 40,373 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.82 | 62,597 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 66,617 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 129,227 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.85 | 43,376 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 87,959 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 68,154 |
| 500 Biggest US Cities | 0 | - | 4.83 | 94,336 |
| Biggest City by Time Zone | 0 | - | 4.79 | 52,840 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.46 | 97,032 |
| Biggest Cities by Trait #1 | 0 | - | 4.42 | 42,663 |
| Biggest City by Region | 0 | - | 4.45 | 32,838 |
| Most Populous 2nd Cities | 0 | - | 4.52 | 52,551 |
| Largest World Capitals with Exceptions | 0 | - | 4.70 | 50,063 |
| Two Largest Cities by First Two Letters | 0 | - | 4.63 | 66,474 |
| Ten Northernmost Megacities | 0 | - | 4.42 | 46,585 |
| Ten Southernmost Megacities | 0 | - | 4.78 | 45,747 |
| Biggest Cities in Europe | 0 | - | 4.50 | 445,229 |
| Biggest Cities in France - Extreme | 0 | - | 4.90 | 42,100 |
| Biggest Cities in Germany | 0 | - | 4.94 | 258,149 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 27,764 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 134,941 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 107,705 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.97 | 63,114 |
| Biggest City by Island | 0 | - | 4.51 | 45,378 |
| Biggest Cities in History | 0 | - | 4.47 | 78,627 |
| Top 10 World Cities Through History | 0 | - | 4.42 | 67,271 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.47 | 39,598 |
| Biggest World Cities in 1850 | 0 | - | 4.63 | 63,971 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 36,655 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.88 | 73,158 |
| All Cities in India with Population of 1 Million | 0 | - | 4.82 | 39,785 |
| Biggest Cities Starting With A | 0 | - | 4.47 | 110,192 |
| Biggest Cities Starting With D | 0 | - | 4.47 | 105,491 |
| Biggest Cities Starting With H | 0 | - | 4.53 | 95,834 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 108,405 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 126,257 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 112,541 |
| Fastest Growing U.S. Cities | 0 | - | 4.32 | 69,599 |
| Second Biggest Cities Quiz | 0 | - | 4.20 | 38,697 |
| Biggest Coastal City by Country | 0 | - | 4.56 | 26,874 |
| Biggest City by Region #2 | 0 | - | 4.45 | 22,619 |
| Biggest Cities by Latitude | 0 | - | 4.74 | 26,026 |
| Northernmost Major City by Country | 0 | - | 4.53 | 30,475 |
| Cities of China (With Some Help) | 0 | - | 4.88 | 27,751 |
| Largest World Cities With Four Letters | 0 | - | 4.43 | 42,880 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.70 | 67,837 |
| Biggest Mediterranean Cities | 0 | - | 4.60 | 74,087 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.53 | 36,059 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,290,877 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 345,351 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 122,272 |
| Countries with Megacities | 0 | - | 4.99 | 191,818 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 166,768 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 95,640 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 91,936 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 61,563 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 242,007 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.68 | 97,794 |
| Biggest English-Speaking Cities | 0 | - | 4.38 | 135,078 |
| Biggest English Cities by Century | 0 | - | 4.93 | 98,148 |
| Five Biggest Cities by Country | 0 | - | 4.50 | 149,850 |
| Biggest Cities in the World - 2100 | 0 | - | 4.26 | 79,006 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 39,684 |
| Biggest World Cities A-Z | 0 | - | 4.41 | 189,245 |
| Biggest Cities Starting With B | 0 | - | 4.29 | 145,390 |
| Biggest Cities Starting With C | 0 | - | 4.03 | 95,575 |
| Biggest Cities Starting With K | 0 | - | 4.27 | 77,606 |
| Biggest Cities Starting With S | 0 | - | 4.35 | 112,709 |
| Biggest Cities Starting With T | 0 | - | 4.28 | 114,453 |
| Counties of the UK and Ireland | 0 | - | 4.95 | 99,994 |
| Capitals of the Most Populated Countries | 0 | - | 4.97 | 115,315 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 64,553 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 241,601 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 107,309 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 88,978 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.95 | 63,723 |
| Biggest European Cities by Letter | 0 | - | 4.52 | 117,442 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.51 | 62,493 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 54,969 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.21 | 86,961 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 39,714 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 33,547 |
| Biggest Cities by Trait #2 | 0 | - | 4.33 | 13,967 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 32,111 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 69,722 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 60,894 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 50,204 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.46 | 37,478 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.57 | 34,921 |
| Biggest Cities in Japan | 0 | - | 4.70 | 74,186 |
| Biggest Cities in Russia | 0 | - | 4.46 | 75,404 |
| Biggest Cities in France | 0 | - | 4.62 | 195,355 |
| Biggest Cities in Spain | 0 | - | 4.48 | 150,886 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 49,153 |
| Biggest Cities in Poland | 0 | - | 4.56 | 47,118 |
| Biggest Cities in the UK | 0 | - | 4.41 | 91,584 |
| Biggest Cities in China | 0 | - | 4.44 | 134,852 |
| Cities of Ireland | 0 | - | 4.43 | 39,139 |
| Biggest Cities in Canada | 0 | - | 4.68 | 118,671 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 42,946 |
| Biggest Cities in India | 0 | - | 4.61 | 61,425 |
| Biggest Cities in Italy | 0 | - | 4.63 | 213,386 |
| Biggest U.S. Cities A-Z | 0 | - | 4.51 | 121,196 |
| Great Plains States and Provinces on a Map | 0 | - | 4.95 | 36,332 |
| Countries of Europe by Population | 0 | - | 4.98 | 122,280 |
| Most Populous Country by First Two Letters | 0 | - | 4.68 | 65,922 |
| Demographics Multiple Choice | 0 | - | 4.70 | 39,315 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.98 | 77,790 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 94,546 |
| Countries with the Most People Bordering Them | 0 | - | 4.96 | 73,575 |
| Populous Countries Bordering Smaller Countries | 0 | - | 4.97 | 91,447 |
| Densest Countries Bordering Each Other | 0 | - | 4.93 | 63,726 |
| Jewish Cities Quiz | 0 | - | 4.31 | 58,919 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 59,591 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.60 | 55,655 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.51 | 73,683 |
| Biggest Cities Near a Border | 0 | - | 4.19 | 19,342 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.70 | 42,266 |
| Flags to Largest Cities | 0 | - | 4.63 | 30,085 |
| Cities in Squares on a Map - North America | 0 | - | 4.36 | 18,982 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 47,608 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.76 | 62,198 |
| All Cities in China with Population of 1 Million | 0 | - | 4.62 | 37,171 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.31 | 82,197 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.30 | 68,780 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 76,868 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.09 | 82,547 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.12 | 65,403 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.14 | 61,149 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.19 | 59,402 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.27 | 66,819 |
| Most Populous Countries in 2050 | 0 | - | 4.89 | 202,329 |
| First Countries to Reach 5 Million People | 0 | - | 4.87 | 108,012 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.97 | 75,094 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.91 | 52,966 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.91 | 66,119 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 85,590 |
| Countries with the Highest Population Density | 0 | - | 4.88 | 141,908 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 138,132 |
| Australian States and Territories | 0 | - | 4.96 | 127,047 |
| Counties of England | 0 | - | 4.96 | 666,749 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 201,326 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 157,967 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 154,550 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 79,183 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.92 | 83,107 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 143,599 |
| Biggest Nordic Cities | 0 | - | 4.35 | 59,375 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.37 | 29,634 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 28,430 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.47 | 20,283 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 22,539 |
| Most Populous Countries in 1900 | 0 | - | 4.89 | 160,243 |
| Regions of Italy | 0 | - | 4.87 | 58,488 |
| Provinces of China | 0 | - | 4.97 | 149,051 |
| States of Germany | 0 | - | 4.95 | 119,391 |
| Most Populous Islands | 0 | - | 4.64 | 111,107 |
| Islands by Largest City #1 | 0 | - | 4.44 | 81,797 |
| Countries Gaining the Most Population by 2070 | 0 | - | 4.47 | 48,506 |
| Largest Cities in Alexander's Empire | 0 | - | 4.48 | 38,379 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.29 | 36,359 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.43 | 52,099 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.61 | 24,212 |
| Largest Nordic Cities on a Map | 0 | - | 4.61 | 22,098 |
