| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.93 | 707,426 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,337,230 |
| World Capitals Quiz | 0 | - | 5.00 | 3,916,926 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,180,308 |
| South America Capitals Quiz | 0 | - | 4.99 | 360,312 |
| Biggest Cities in Texas | 0 | - | 4.20 | 94,936 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,898 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,166,496 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,697 |
| Biggest Cities in New Jersey | 0 | - | 3.97 | 22,092 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 287,718 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.55 | 89,812 |
| Biggest English-Speaking Cities | 0 | - | 4.39 | 127,737 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.84 | 99,078 |
| Biggest Cities by Language | 0 | - | 4.95 | 193,989 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,484 |
| Biggest Mediterranean Cities | 0 | - | 4.73 | 69,268 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 306,473 |
| Jewish Cities Quiz | 0 | - | 4.31 | 55,755 |
| Biggest Cities in Japan | 0 | - | 4.73 | 66,527 |
| Biggest US Cities by Decade | 0 | - | 4.92 | 132,766 |
| Biggest Cities in Russia | 0 | - | 4.48 | 68,749 |
| Fastest Growing U.S. Cities | 0 | - | 4.26 | 58,147 |
| Africa Capitals Quiz | 0 | - | 4.99 | 527,483 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 107,329 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 41,631 |
| Biggest Cities in Poland | 0 | - | 4.73 | 40,132 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.38 | 10,652 |
| Biggest Cities Starting With A | 0 | - | 4.55 | 86,944 |
| Biggest Cities Starting With B | 0 | - | 4.38 | 120,866 |
| Biggest Cities Starting With C | 0 | - | 3.99 | 79,301 |
| Biggest Cities Starting With D | 0 | - | 4.46 | 84,686 |
| Biggest Cities Starting With H | 0 | - | 4.48 | 75,429 |
| Biggest Cities Starting With K | 0 | - | 4.35 | 63,369 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 84,922 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 98,653 |
| Biggest Cities Starting With P | 0 | - | 4.44 | 87,490 |
| Biggest Cities Starting With S | 0 | - | 4.34 | 92,691 |
| Biggest Cities Starting With T | 0 | - | 4.25 | 93,207 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 20,999 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.34 | 75,068 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.31 | 62,439 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 70,228 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 76,476 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.10 | 61,350 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.06 | 57,209 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 17,905 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.81 | 52,729 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,436 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,340 |
| Biggest U.S. Cities A-Z | 0 | - | 4.54 | 109,066 |
| Biggest World Cities A-Z | 0 | - | 4.38 | 166,858 |
| Biggest Cities in France | 0 | - | 4.52 | 161,384 |
| Biggest Cities in Spain | 0 | - | 4.64 | 132,749 |
| Biggest Cities in Italy | 0 | - | 4.57 | 188,897 |
| Biggest Cities in California | 0 | - | 4.30 | 119,834 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,417 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 570,892 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,855 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 84,066 |
| Biggest Cities in Ohio | 0 | - | 4.33 | 41,284 |
| Biggest Cities in The Netherlands | 0 | - | 4.42 | 33,683 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 29,861 |
| Biggest Cities in New York State | 0 | - | 4.20 | 51,202 |
| Biggest Cities in Europe | 0 | - | 4.63 | 403,438 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,500 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,245 |
| Biggest Cities in Canada | 0 | - | 4.57 | 108,726 |
| Biggest Cities in Sweden | 0 | - | 4.71 | 24,564 |
| North America Capitals Quiz | 0 | - | 4.99 | 154,691 |
| Capitals of Oceania Quiz | 0 | - | 4.98 | 185,158 |
| Asia Capitals Quiz | 0 | - | 4.97 | 501,347 |
| Biggest Cities in China | 0 | - | 4.43 | 118,152 |
| Summer Olympics Host Cities | 0 | - | 4.97 | 160,882 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 39,046 |
| Biggest Cities in Germany | 0 | - | 4.94 | 226,296 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,412 |
| Capitals in their Native Languages | 0 | - | 4.93 | 106,406 |
| Second Biggest Cities Quiz | 0 | - | 4.19 | 36,588 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 134,483 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,782 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 16,333 |
| Biggest Cities in Colorado | 0 | - | 3.97 | 27,075 |
| Biggest Cities in Arizona | 0 | - | 4.24 | 24,758 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,309 |
| Biggest Cities in Illinois | 0 | - | 4.30 | 21,463 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,769 |
| Biggest Cities in Wisconsin | 0 | - | 4.35 | 20,576 |
| Biggest Cities in Georgia | 0 | - | 3.72 | 19,375 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,159 |
| Biggest Cities in Missouri | 0 | - | 4.18 | 14,196 |
| Biggest Cities in Oregon | 0 | - | 4.02 | 16,687 |
| Biggest Cities in Alaska | 0 | - | 4.39 | 16,805 |
| Biggest City by Time Zone | 0 | - | 4.74 | 49,765 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.42 | 78,163 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,618 |
| Biggest Cities in Switzerland | 0 | - | 4.55 | 38,223 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 109,665 |
| Biggest Cities in India | 0 | - | 4.52 | 54,818 |
| Biggest Cities in Asia | 0 | - | 4.87 | 85,906 |
| Biggest City by Island | 0 | - | 4.49 | 42,202 |
| Official Cities in the UK | 0 | - | 4.89 | 197,281 |
| Biggest Cities in History | 0 | - | 4.49 | 70,505 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 39,822 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.29 | 37,863 |
| Random Capital to Country | 0 | - | 4.99 | 2,072,473 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,300 |
| Random Country to Capital | 0 | - | 4.98 | 693,996 |
| Five Biggest Cities by Country | 0 | - | 4.76 | 122,341 |
| Coldest World Capitals | 0 | - | 4.97 | 105,223 |
| Europe Capital to Country | 0 | - | 4.99 | 198,898 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,197 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,164 |
| Biggest Coastal City by Country | 0 | - | 4.56 | 24,051 |
| Same Letter Country and Capital | 0 | - | 4.98 | 103,373 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.49 | 54,443 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 15,929 |
| Most Populous World Capitals | 0 | - | 4.89 | 127,966 |
| Biggest City by Region | 0 | - | 4.50 | 29,123 |
| Most Populous 2nd Cities | 0 | - | 4.53 | 39,205 |
| Biggest City by Region #2 | 0 | - | 4.44 | 19,816 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,441 |
| Biggest European Cities by Century | 0 | - | 4.96 | 105,042 |
| Capitals of Most Populated Countries | 0 | - | 4.97 | 107,598 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 224,523 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,870 |
| Biggest Cities by Latitude | 0 | - | 4.73 | 24,077 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,157 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 39,356 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,602 |
| Biggest Axis-Controlled Cities | 0 | - | 4.24 | 31,497 |
| Biggest Two-Word Cities | 0 | - | 4.71 | 33,893 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 58,185 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.73 | 55,451 |
| World Capitals by Map | 0 | - | 5.00 | 190,024 |
| Cities of Ireland | 0 | - | 4.40 | 35,644 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,820 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 145,993 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 73,051 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,323 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 118,142 |
| Cities of China (With Some Help) | 0 | - | 4.77 | 23,519 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.90 | 33,887 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 42,704 |
| Top 50 Countries by Population - In Order | 0 | - | 4.96 | 217,444 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.89 | 32,413 |
| Biggest Cities in the UK | 0 | - | 4.42 | 79,679 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 81,682 |
| World Capitals by Proximity | 0 | - | 4.91 | 263,327 |
| Biggest World Cities in 1850 | 0 | - | 4.52 | 47,528 |
| Megacities on a World Map | 0 | - | 4.97 | 199,476 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 173,212 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.78 | 48,803 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 95,305 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 73,546 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,646 |
| Ten Northernmost Megacities | 0 | - | 4.41 | 44,048 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.93 | 74,496 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 310,716 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 100,974 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,255 |
| U.S. State Capitals Map Quiz | 0 | - | 4.89 | 108,816 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.91 | 154,224 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 49,988 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.88 | 176,043 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.57 | 34,666 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.44 | 35,894 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 433,799 |
| Megacities on an Empty Map | 0 | - | 4.96 | 77,066 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 51,944 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 53,806 |
| All Cities in China with Population of 1 Million | 0 | - | 4.66 | 27,500 |
| Northernmost Major City by Country | 0 | - | 4.50 | 28,099 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.93 | 20,880 |
| All Cities in India with Population of 1 Million | 0 | - | 4.80 | 32,628 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 55,173 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.46 | 42,375 |
| Two Largest Cities by First Two Letters | 0 | - | 4.65 | 56,148 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,508 |
| Largest World Capitals with Exceptions | 0 | - | 4.66 | 37,634 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.71 | 62,010 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,240 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.53 | 43,320 |
| Biggest Cities Near a Border | 0 | - | 4.11 | 14,566 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,455 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 261,204 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.93 | 79,506 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,780 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,548 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.33 | 22,148 |
| Ten Southernmost Megacities | 0 | - | 4.68 | 32,373 |
| Biggest Cities by Trait #2 | 0 | - | 4.31 | 12,273 |
| Flags to Largest Cities | 0 | - | 4.55 | 22,954 |
| 500 Biggest US Cities | 0 | - | 4.88 | 75,741 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,427 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 13,851 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 54,230 |
| Random European Capital to Country | 0 | - | 4.97 | 128,482 |
| Random European Country to Capital | 0 | - | 4.90 | 103,802 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 31,812 |
