| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.93 | 709,336 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,340,920 |
| Biggest Cities in Texas | 0 | - | 4.21 | 95,254 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,944 |
| Dog Breed Picture Quiz | 0 | - | 4.26 | 175,236 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,849 |
| Biggest Cities in New Jersey | 0 | - | 3.97 | 22,142 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 288,275 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.55 | 89,982 |
| Biggest English-Speaking Cities | 0 | - | 4.39 | 127,851 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.84 | 99,214 |
| Biggest Cities by Language | 0 | - | 4.95 | 194,294 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,544 |
| Biggest Mediterranean Cities | 0 | - | 4.67 | 69,376 |
| Jewish Cities Quiz | 0 | - | 4.32 | 55,827 |
| Biggest Cities in Japan | 0 | - | 4.68 | 66,679 |
| Biggest US Cities by Decade | 0 | - | 4.92 | 133,042 |
| Biggest Cities in Russia | 0 | - | 4.49 | 68,866 |
| Fastest Growing U.S. Cities | 0 | - | 4.26 | 58,194 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 41,772 |
| Biggest Cities in Poland | 0 | - | 4.73 | 40,273 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.38 | 10,699 |
| Biggest Cities Starting With A | 0 | - | 4.55 | 87,139 |
| Biggest Cities Starting With B | 0 | - | 4.38 | 121,080 |
| Biggest Cities Starting With C | 0 | - | 3.99 | 79,411 |
| Biggest Cities Starting With D | 0 | - | 4.46 | 84,841 |
| Biggest Cities Starting With H | 0 | - | 4.48 | 75,809 |
| Biggest Cities Starting With K | 0 | - | 4.35 | 63,502 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 85,118 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 98,895 |
| Biggest Cities Starting With P | 0 | - | 4.44 | 87,691 |
| Biggest Cities Starting With S | 0 | - | 4.34 | 92,879 |
| Biggest Cities Starting With T | 0 | - | 4.25 | 93,427 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 21,079 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.34 | 75,269 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.32 | 62,611 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 70,596 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 76,652 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.12 | 61,484 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.07 | 57,333 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 18,010 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.82 | 52,832 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,572 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,470 |
| Biggest U.S. Cities A-Z | 0 | - | 4.55 | 109,273 |
| Biggest World Cities A-Z | 0 | - | 4.39 | 167,194 |
| Biggest Cities in France | 0 | - | 4.53 | 161,836 |
| Biggest Cities in Spain | 0 | - | 4.65 | 133,126 |
| Biggest Cities in Italy | 0 | - | 4.64 | 189,387 |
| Biggest Cities in California | 0 | - | 4.30 | 120,015 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,519 |
| Biggest Cities in the World Quiz | 0 | - | 4.82 | 572,340 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,914 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 84,208 |
| Biggest Cities in Ohio | 0 | - | 4.33 | 41,360 |
| Biggest Cities in The Netherlands | 0 | - | 4.42 | 36,340 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 29,900 |
| Biggest Cities in New York State | 0 | - | 4.20 | 51,283 |
| Biggest Cities in Europe | 0 | - | 4.64 | 404,212 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,552 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,287 |
| Biggest Cities in Canada | 0 | - | 4.58 | 108,920 |
| Biggest Cities in Sweden | 0 | - | 4.71 | 24,650 |
| Biggest Cities in China | 0 | - | 4.42 | 118,435 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 39,102 |
| Biggest Cities in Germany | 0 | - | 4.94 | 226,967 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,482 |
| Second Biggest Cities Quiz | 0 | - | 4.19 | 36,623 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 135,054 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,911 |
| Biggest Cities in Louisiana | 0 | - | 3.98 | 16,369 |
| Biggest Cities in Colorado | 0 | - | 3.97 | 27,126 |
| Biggest Cities in Arizona | 0 | - | 4.24 | 24,826 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,350 |
| Biggest Cities in Illinois | 0 | - | 4.30 | 21,516 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,842 |
| Biggest Cities in Wisconsin | 0 | - | 4.35 | 20,618 |
| Biggest Cities in Georgia | 0 | - | 3.72 | 19,402 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,202 |
| Biggest Cities in Missouri | 0 | - | 4.18 | 14,222 |
| Biggest Cities in Oregon | 0 | - | 4.02 | 16,722 |
| Biggest Cities in Alaska | 0 | - | 4.39 | 16,858 |
| Biggest City by Time Zone | 0 | - | 4.74 | 49,825 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.42 | 78,239 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,869 |
| Biggest Cities in Switzerland | 0 | - | 4.56 | 38,355 |
| National Animals | 0 | - | 4.16 | 69,533 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 110,071 |
| Biggest Cities in India | 0 | - | 4.53 | 54,957 |
| Biggest Cities in Asia | 0 | - | 4.87 | 86,056 |
| Biggest City by Island | 0 | - | 4.49 | 42,277 |
| Biggest Cities in History | 0 | - | 4.47 | 70,720 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 39,899 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.29 | 37,904 |
| Countries with the Most Sheep | 0 | - | 4.85 | 75,495 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,445 |
| Five Biggest Cities by Country | 0 | - | 4.77 | 122,594 |
| Countries that Catch the Most Fish | 0 | - | 4.86 | 90,322 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,284 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,259 |
| Biggest Coastal City by Country | 0 | - | 4.56 | 24,131 |
| Top Countries for Shark Attacks | 0 | - | 4.52 | 38,720 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.53 | 58,771 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 15,989 |
| Most Populous World Capitals | 0 | - | 4.89 | 128,292 |
| Countries with Wild Tigers | 0 | - | 4.96 | 99,564 |
| Countries with Wild Penguins | 0 | - | 4.89 | 74,228 |
| Biggest City by Region | 0 | - | 4.50 | 29,212 |
| Most Populous 2nd Cities | 0 | - | 4.54 | 39,311 |
| Biggest City by Region #2 | 0 | - | 4.44 | 19,892 |
| U.S. States with the Most Endangered Species | 0 | - | 4.47 | 12,293 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,476 |
| Biggest European Cities by Century | 0 | - | 4.96 | 105,291 |
| Capitals of Most Populated Countries | 0 | - | 4.97 | 107,756 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,900 |
| Biggest Cities by Latitude | 0 | - | 4.73 | 24,122 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,311 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 39,438 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,731 |
| Biggest Axis-Controlled Cities | 0 | - | 4.24 | 31,540 |
| Biggest Two-Word Cities | 0 | - | 4.72 | 34,019 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 58,369 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.74 | 55,603 |
| Cities of Ireland | 0 | - | 4.40 | 35,712 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,891 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 146,399 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 73,227 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,412 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 118,397 |
| Where Do Musk Oxen Live? | 0 | - | 4.57 | 12,719 |
| Cities of China (With Some Help) | 0 | - | 4.77 | 23,603 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 34,026 |
| Biggest Cities with Exceptions | 0 | - | 4.88 | 42,805 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.89 | 32,489 |
| Biggest Cities in the UK | 0 | - | 4.42 | 79,887 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 81,866 |
| Biggest World Cities in 1850 | 0 | - | 4.53 | 47,629 |
| Megacities on a World Map | 0 | - | 4.97 | 199,874 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 174,786 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.78 | 48,887 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 95,546 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 73,744 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,736 |
| Ten Northernmost Megacities | 0 | - | 4.41 | 44,125 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 74,659 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 313,096 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,300 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 50,101 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.57 | 34,739 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.44 | 35,964 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 435,017 |
| Megacities on an Empty Map | 0 | - | 4.96 | 77,278 |
| Top 10 Countries with the Most Horses | 0 | - | 4.40 | 48,967 |
| Top 15 Countries with the Most Cows | 0 | - | 4.79 | 82,798 |
| Countries with More Cows than People | 0 | - | 4.38 | 44,361 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 52,101 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 54,040 |
| Countries with NO Snakes | 0 | - | 4.42 | 43,260 |
| All Cities in China with Population of 1 Million | 0 | - | 4.67 | 27,681 |
| Northernmost Major City by Country | 0 | - | 4.50 | 28,146 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.93 | 21,163 |
| All Cities in India with Population of 1 Million | 0 | - | 4.79 | 32,874 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 55,361 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.46 | 42,505 |
| Capital Cities by Body of Water | 0 | - | 4.87 | 48,967 |
| U.S. States with More Cows than People | 0 | - | 4.45 | 36,985 |
| Countries with the Most Wild Elephants | 0 | - | 4.40 | 40,131 |
| Animal Populations of Countries | 0 | - | 4.45 | 36,274 |
| Two Largest Cities by First Two Letters | 0 | - | 4.65 | 56,266 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,583 |
| Countries with the Most Wolves | 0 | - | 4.89 | 69,296 |
| Largest World Capitals with Exceptions | 0 | - | 4.66 | 37,824 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.72 | 62,138 |
| Countries With The Most Bird Species | 0 | - | 4.74 | 3,596 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,328 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.53 | 43,402 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.88 | 59,798 |
| Biggest Cities Near a Border | 0 | - | 4.11 | 14,606 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,531 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 261,901 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.92 | 79,754 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,897 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,602 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.34 | 22,186 |
| Ten Southernmost Megacities | 0 | - | 4.79 | 38,763 |
| Biggest Cities by Trait #2 | 0 | - | 4.31 | 12,314 |
| Flags to Largest Cities | 0 | - | 4.55 | 23,106 |
| 500 Biggest US Cities | 0 | - | 4.88 | 76,154 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,469 |
| Saint Lucia Country Quiz | 0 | - | 4.57 | 13,900 |
| European Countries with NO Wolves | 0 | - | 4.46 | 40,504 |
| Capitals by River | 0 | - | 4.50 | 30,039 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 54,424 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 31,984 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.82 | 45,393 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.90 | 51,273 |
| Biggest Cities in the World - 2100 | 0 | - | 4.27 | 67,920 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.58 | 21,717 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.64 | 27,551 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.82 | 42,109 |
