| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.93 | 712,928 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,348,798 |
| Biggest Cities in Texas | 0 | - | 4.21 | 95,648 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 25,040 |
| Dog Breed Picture Quiz | 0 | - | 4.25 | 175,881 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 157,146 |
| Biggest Cities in New Jersey | 0 | - | 3.97 | 22,228 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 289,602 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.57 | 90,420 |
| Biggest English-Speaking Cities | 0 | - | 4.38 | 128,124 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.84 | 99,676 |
| Biggest Cities by Language | 0 | - | 4.95 | 194,975 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,680 |
| Biggest Mediterranean Cities | 0 | - | 4.64 | 69,611 |
| Jewish Cities Quiz | 0 | - | 4.32 | 55,938 |
| Biggest Cities in Japan | 0 | - | 4.68 | 66,968 |
| Biggest US Cities by Decade | 0 | - | 4.93 | 133,481 |
| Biggest Cities in Russia | 0 | - | 4.49 | 69,093 |
| Fastest Growing U.S. Cities | 0 | - | 4.26 | 58,250 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 42,017 |
| Biggest Cities in Poland | 0 | - | 4.73 | 40,525 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.38 | 10,794 |
| Biggest Cities Starting With A | 0 | - | 4.55 | 87,486 |
| Biggest Cities Starting With B | 0 | - | 4.38 | 121,447 |
| Biggest Cities Starting With C | 0 | - | 3.99 | 79,586 |
| Biggest Cities Starting With D | 0 | - | 4.47 | 85,111 |
| Biggest Cities Starting With H | 0 | - | 4.48 | 76,112 |
| Biggest Cities Starting With K | 0 | - | 4.34 | 63,695 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 85,437 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 99,303 |
| Biggest Cities Starting With P | 0 | - | 4.44 | 88,003 |
| Biggest Cities Starting With S | 0 | - | 4.34 | 93,132 |
| Biggest Cities Starting With T | 0 | - | 4.25 | 93,694 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 21,214 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.34 | 75,489 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.32 | 62,806 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 70,777 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 76,840 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.12 | 61,597 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.07 | 57,457 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 18,103 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.82 | 52,921 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,705 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,609 |
| Biggest U.S. Cities A-Z | 0 | - | 4.55 | 109,737 |
| Biggest World Cities A-Z | 0 | - | 4.39 | 167,729 |
| Biggest Cities in France | 0 | - | 4.53 | 162,771 |
| Biggest Cities in Spain | 0 | - | 4.66 | 133,883 |
| Biggest Cities in Italy | 0 | - | 4.64 | 190,353 |
| Biggest Cities in California | 0 | - | 4.30 | 120,286 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,674 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 575,482 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 20,046 |
| Biggest Cities in Africa Quiz | 0 | - | 4.89 | 84,452 |
| Biggest Cities in Ohio | 0 | - | 4.34 | 41,492 |
| Biggest Cities in The Netherlands | 0 | - | 4.42 | 37,187 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 29,968 |
| Biggest Cities in New York State | 0 | - | 4.20 | 51,396 |
| Biggest Cities in Europe | 0 | - | 4.57 | 405,979 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,629 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,345 |
| Biggest Cities in Canada | 0 | - | 4.57 | 109,284 |
| Biggest Cities in Sweden | 0 | - | 4.71 | 24,862 |
| Biggest Cities in China | 0 | - | 4.45 | 119,148 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 39,185 |
| Biggest Cities in Germany | 0 | - | 4.94 | 228,217 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,636 |
| Second Biggest Cities Quiz | 0 | - | 4.19 | 36,717 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 135,576 |
| Biggest City in Every Country | 0 | - | 4.97 | 67,214 |
| Biggest Cities in Louisiana | 0 | - | 3.98 | 16,415 |
| Biggest Cities in Colorado | 0 | - | 3.97 | 27,198 |
| Biggest Cities in Arizona | 0 | - | 4.25 | 24,918 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,437 |
| Biggest Cities in Illinois | 0 | - | 4.30 | 21,640 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,939 |
| Biggest Cities in Wisconsin | 0 | - | 4.37 | 20,697 |
| Biggest Cities in Georgia | 0 | - | 3.72 | 19,476 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,299 |
| Biggest Cities in Missouri | 0 | - | 4.18 | 14,269 |
| Biggest Cities in Oregon | 0 | - | 4.02 | 16,773 |
| Biggest Cities in Alaska | 0 | - | 4.39 | 16,929 |
| Biggest City by Time Zone | 0 | - | 4.74 | 49,954 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.41 | 80,663 |
| Biggest English Cities by Century | 0 | - | 4.92 | 86,338 |
| Biggest Cities in Switzerland | 0 | - | 4.56 | 38,561 |
| National Animals | 0 | - | 4.15 | 69,633 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 110,293 |
| Biggest Cities in India | 0 | - | 4.52 | 55,198 |
| Biggest Cities in Asia | 0 | - | 4.89 | 86,394 |
| Biggest City by Island | 0 | - | 4.49 | 42,442 |
| Biggest Cities in History | 0 | - | 4.48 | 71,159 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 40,045 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.29 | 37,991 |
| Countries with the Most Sheep | 0 | - | 4.85 | 75,707 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.96 | 58,698 |
| Five Biggest Cities by Country | 0 | - | 4.74 | 123,105 |
| Countries that Catch the Most Fish | 0 | - | 4.86 | 90,633 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,481 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,476 |
| Biggest Coastal City by Country | 0 | - | 4.56 | 24,302 |
| Top Countries for Shark Attacks | 0 | - | 4.53 | 38,983 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.53 | 59,080 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 16,113 |
| Most Populous World Capitals | 0 | - | 4.90 | 128,654 |
| Countries with Wild Tigers | 0 | - | 4.96 | 99,995 |
| Countries with Wild Penguins | 0 | - | 4.89 | 74,492 |
| Biggest City by Region | 0 | - | 4.50 | 29,449 |
| Most Populous 2nd Cities | 0 | - | 4.52 | 48,246 |
| Biggest City by Region #2 | 0 | - | 4.44 | 20,092 |
| U.S. States with the Most Endangered Species | 0 | - | 4.47 | 12,406 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,594 |
| Biggest European Cities by Century | 0 | - | 4.96 | 105,805 |
| Capitals of Most Populated Countries | 0 | - | 4.97 | 108,125 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,955 |
| Biggest Cities by Latitude | 0 | - | 4.73 | 24,217 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,636 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 39,616 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.65 | 58,991 |
| Biggest Axis-Controlled Cities | 0 | - | 4.24 | 31,608 |
| Biggest Two-Word Cities | 0 | - | 4.73 | 34,252 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 58,728 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.74 | 55,924 |
| Cities of Ireland | 0 | - | 4.40 | 35,845 |
| Largest Cities in Alexander's Empire | 0 | - | 4.42 | 35,765 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 147,107 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 73,575 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.80 | 46,558 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 118,903 |
| Where Do Musk Oxen Live? | 0 | - | 4.56 | 12,827 |
| Cities of China (With Some Help) | 0 | - | 4.78 | 23,828 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 34,293 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 43,068 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.91 | 34,616 |
| Biggest Cities in the UK | 0 | - | 4.42 | 80,403 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 82,241 |
| Biggest World Cities in 1850 | 0 | - | 4.52 | 47,914 |
| Megacities on a World Map | 0 | - | 4.97 | 200,620 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 175,763 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.79 | 49,073 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 96,011 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.84 | 74,079 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.78 | 38,941 |
| Ten Northernmost Megacities | 0 | - | 4.42 | 44,255 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 75,013 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 315,279 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,401 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 50,340 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.55 | 34,890 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.45 | 36,138 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 437,407 |
| Megacities on an Empty Map | 0 | - | 4.96 | 77,646 |
| Top 10 Countries with the Most Horses | 0 | - | 4.40 | 49,116 |
| Top 15 Countries with the Most Cows | 0 | - | 4.81 | 83,137 |
| Countries with More Cows than People | 0 | - | 4.39 | 44,455 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 52,433 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 54,480 |
| Countries with NO Snakes | 0 | - | 4.42 | 43,450 |
| All Cities in China with Population of 1 Million | 0 | - | 4.67 | 30,601 |
| Northernmost Major City by Country | 0 | - | 4.50 | 28,246 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.93 | 21,550 |
| All Cities in India with Population of 1 Million | 0 | - | 4.79 | 33,223 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 55,728 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.46 | 42,790 |
| Capital Cities by Body of Water | 0 | - | 4.87 | 49,127 |
| U.S. States with More Cows than People | 0 | - | 4.45 | 37,063 |
| Countries with the Most Wild Elephants | 0 | - | 4.41 | 40,253 |
| Animal Populations of Countries | 0 | - | 4.45 | 36,442 |
| Two Largest Cities by First Two Letters | 0 | - | 4.65 | 56,523 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,723 |
| Countries with the Most Wolves | 0 | - | 4.89 | 69,586 |
| Largest World Capitals with Exceptions | 0 | - | 4.66 | 38,150 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.72 | 62,408 |
| Countries With The Most Bird Species | 0 | - | 4.78 | 3,755 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,483 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.53 | 43,573 |
| Countries with the Most Venomous Animal Species | 0 | - | 4.88 | 60,085 |
| Biggest Cities Near a Border | 0 | - | 4.11 | 14,705 |
| Biggest Cities in Deserts | 0 | - | 4.87 | 37,731 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 263,254 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.92 | 80,380 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 62,139 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,744 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.33 | 22,293 |
| Ten Southernmost Megacities | 0 | - | 4.82 | 42,389 |
| Biggest Cities by Trait #2 | 0 | - | 4.31 | 12,394 |
| Flags to Largest Cities | 0 | - | 4.57 | 23,422 |
| 500 Biggest US Cities | 0 | - | 4.89 | 77,057 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,555 |
| Saint Lucia Country Quiz | 0 | - | 4.58 | 13,979 |
| European Countries with NO Wolves | 0 | - | 4.46 | 40,678 |
| Capitals by River | 0 | - | 4.50 | 30,159 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 54,841 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 32,308 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.84 | 45,911 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.90 | 52,015 |
| Biggest Cities in the World - 2100 | 0 | - | 4.28 | 68,405 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.58 | 21,826 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.63 | 27,835 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.79 | 42,398 |
