| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.93 | 714,753 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,352,671 |
| World Capitals Quiz | 0 | - | 5.00 | 3,957,273 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,192,232 |
| South America Capitals Quiz | 0 | - | 4.99 | 364,964 |
| Biggest Cities in Texas | 0 | - | 4.22 | 97,924 |
| Biggest Cities in Washington State | 0 | - | 4.34 | 25,109 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,176,468 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 157,313 |
| Biggest Cities in New Jersey | 0 | - | 3.99 | 22,287 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.57 | 90,584 |
| Biggest English-Speaking Cities | 0 | - | 4.38 | 128,250 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.84 | 99,820 |
| Biggest Cities by Language | 0 | - | 4.95 | 195,359 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,742 |
| Biggest Mediterranean Cities | 0 | - | 4.64 | 69,734 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 308,510 |
| Jewish Cities Quiz | 0 | - | 4.33 | 55,998 |
| Biggest Cities in Japan | 0 | - | 4.68 | 67,088 |
| Biggest US Cities by Decade | 0 | - | 4.93 | 133,874 |
| Biggest Cities in Russia | 0 | - | 4.49 | 69,268 |
| Fastest Growing U.S. Cities | 0 | - | 4.29 | 60,489 |
| Africa Capitals Quiz | 0 | - | 4.99 | 534,726 |
| North American Sports Cities | 0 | - | 4.81 | 146,206 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 108,004 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 42,150 |
| Biggest Cities in Poland | 0 | - | 4.73 | 40,663 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.38 | 10,827 |
| Biggest Cities Starting With A | 0 | - | 4.54 | 87,659 |
| Biggest Cities Starting With B | 0 | - | 4.38 | 121,629 |
| Biggest Cities Starting With C | 0 | - | 3.99 | 79,675 |
| Biggest Cities Starting With D | 0 | - | 4.47 | 85,260 |
| Biggest Cities Starting With H | 0 | - | 4.48 | 76,275 |
| Biggest Cities Starting With K | 0 | - | 4.34 | 63,801 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 85,592 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 99,497 |
| Biggest Cities Starting With P | 0 | - | 4.45 | 88,149 |
| Biggest Cities Starting With S | 0 | - | 4.34 | 93,284 |
| Biggest Cities Starting With T | 0 | - | 4.25 | 93,819 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 21,275 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.34 | 75,600 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.32 | 62,922 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 70,924 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.08 | 76,948 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.12 | 61,669 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.07 | 57,528 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 18,158 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.82 | 52,978 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,783 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,708 |
| Biggest U.S. Cities A-Z | 0 | - | 4.55 | 110,009 |
| Biggest World Cities A-Z | 0 | - | 4.39 | 168,013 |
| Biggest Cities in France | 0 | - | 4.53 | 163,244 |
| Biggest Cities in Spain | 0 | - | 4.65 | 134,255 |
| Biggest Cities in Italy | 0 | - | 4.64 | 190,824 |
| Biggest Cities in California | 0 | - | 4.31 | 120,474 |
| Biggest Cities in Florida | 0 | - | 4.14 | 61,805 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 577,095 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 20,105 |
| Biggest Cities in Africa Quiz | 0 | - | 4.89 | 84,595 |
| Biggest Cities in Ohio | 0 | - | 4.35 | 41,611 |
| Biggest Cities in The Netherlands | 0 | - | 4.42 | 37,366 |
| Biggest Cities in Michigan | 0 | - | 4.00 | 30,040 |
| Biggest Cities in New York State | 0 | - | 4.22 | 51,496 |
| Biggest Cities in Europe | 0 | - | 4.57 | 406,887 |
| Biggest Cities in Indiana | 0 | - | 4.17 | 17,689 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,381 |
| Biggest Cities in Canada | 0 | - | 4.57 | 109,429 |
| Biggest Cities in Sweden | 0 | - | 4.68 | 24,948 |
| North America Capitals Quiz | 0 | - | 4.99 | 156,852 |
| Capitals of Oceania Quiz | 0 | - | 4.98 | 187,855 |
| Asia Capitals Quiz | 0 | - | 4.98 | 507,419 |
| Biggest Cities in China | 0 | - | 4.46 | 119,448 |
| Summer Olympics Host Cities | 0 | - | 4.97 | 161,919 |
| Biggest Cities in Pennsylvania | 0 | - | 4.11 | 39,242 |
| Biggest Cities in Germany | 0 | - | 4.94 | 228,836 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,710 |
| Capitals in their Native Languages | 0 | - | 4.93 | 107,079 |
| Second Biggest Cities Quiz | 0 | - | 4.19 | 36,752 |
| Biggest City in Each U.S. State | 0 | - | 4.86 | 135,821 |
| Biggest City in Every Country | 0 | - | 4.97 | 67,369 |
| Biggest Cities in Louisiana | 0 | - | 4.00 | 16,461 |
| Biggest Cities in Colorado | 0 | - | 3.98 | 27,264 |
| Biggest Cities in Arizona | 0 | - | 4.26 | 25,006 |
| Biggest Cities in Virginia | 0 | - | 4.17 | 20,487 |
| Biggest Cities in Illinois | 0 | - | 4.31 | 21,704 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 26,030 |
| Biggest Cities in Wisconsin | 0 | - | 4.38 | 20,754 |
| Biggest Cities in Georgia | 0 | - | 3.74 | 19,525 |
| Biggest Cities in Massachusetts | 0 | - | 4.32 | 21,508 |
| Biggest Cities in Missouri | 0 | - | 4.19 | 14,306 |
| Biggest Cities in Oregon | 0 | - | 4.03 | 16,824 |
| Biggest Cities in Alaska | 0 | - | 4.40 | 17,003 |
| Biggest City by Time Zone | 0 | - | 4.77 | 50,016 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.40 | 82,642 |
| Biggest English Cities by Century | 0 | - | 4.92 | 86,598 |
| Biggest Cities in Switzerland | 0 | - | 4.56 | 38,668 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 110,440 |
| Biggest Cities in India | 0 | - | 4.52 | 55,330 |
| Biggest Cities in Asia | 0 | - | 4.89 | 86,570 |
| Biggest City by Island | 0 | - | 4.49 | 42,528 |
| Official Cities in the UK | 0 | - | 4.89 | 199,833 |
| Biggest Cities in History | 0 | - | 4.49 | 71,447 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 40,098 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 38,040 |
| Random Capital to Country | 0 | - | 4.99 | 2,092,264 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.96 | 58,835 |
| Random Country to Capital | 0 | - | 4.98 | 701,268 |
| Five Biggest Cities by Country | 0 | - | 4.65 | 136,579 |
| Coldest World Capitals | 0 | - | 4.97 | 105,780 |
| Europe Capital to Country | 0 | - | 4.99 | 200,275 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,571 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,552 |
| Biggest Coastal City by Country | 0 | - | 4.56 | 24,397 |
| Same Letter Country and Capital | 0 | - | 4.98 | 104,095 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.53 | 59,163 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 16,166 |
| Most Populous World Capitals | 0 | - | 4.90 | 128,863 |
| Biggest City by Region | 0 | - | 4.50 | 29,546 |
| Most Populous 2nd Cities | 0 | - | 4.52 | 48,461 |
| Biggest City by Region #2 | 0 | - | 4.44 | 20,152 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,658 |
| Biggest European Cities by Century | 0 | - | 4.96 | 106,055 |
| Capitals of Most Populated Countries | 0 | - | 4.97 | 108,314 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,976 |
| Biggest Cities by Latitude | 0 | - | 4.73 | 24,262 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.91 | 59,821 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 39,748 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 59,114 |
| Biggest Axis-Controlled Cities | 0 | - | 4.24 | 31,655 |
| Biggest Two-Word Cities | 0 | - | 4.73 | 34,388 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 59,036 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.74 | 56,189 |
| World Capitals by Map | 0 | - | 5.00 | 193,694 |
| Cities of Ireland | 0 | - | 4.40 | 35,912 |
| Largest Cities in Alexander's Empire | 0 | - | 4.42 | 35,949 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 147,463 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 73,771 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.80 | 46,665 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 119,164 |
| Cities of China (With Some Help) | 0 | - | 4.78 | 23,915 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 34,421 |
| Biggest Cities with Exceptions | 0 | - | 4.88 | 43,171 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.90 | 35,101 |
| Biggest Cities in the UK | 0 | - | 4.42 | 80,611 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 82,776 |
| World Capitals by Proximity | 0 | - | 4.92 | 265,020 |
| Biggest World Cities in 1850 | 0 | - | 4.52 | 48,008 |
| Megacities on a World Map | 0 | - | 4.97 | 201,065 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 176,144 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.79 | 49,152 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 96,203 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.84 | 74,271 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.78 | 39,032 |
| Ten Northernmost Megacities | 0 | - | 4.42 | 44,329 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 75,157 |
| 100 Biggest Cities on a World Map | 0 | - | 4.98 | 316,463 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 101,974 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,460 |
| U.S. State Capitals Map Quiz | 0 | - | 4.89 | 109,885 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.92 | 156,027 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.42 | 50,497 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.88 | 177,641 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.55 | 35,001 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.45 | 36,219 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 438,874 |
| Megacities on an Empty Map | 0 | - | 4.96 | 77,843 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 52,640 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 54,718 |
| All Cities in China with Population of 1 Million | 0 | - | 4.67 | 30,749 |
| Northernmost Major City by Country | 0 | - | 4.50 | 28,309 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.93 | 21,753 |
| All Cities in India with Population of 1 Million | 0 | - | 4.79 | 33,369 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 55,914 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.46 | 42,990 |
| Two Largest Cities by First Two Letters | 0 | - | 4.65 | 56,674 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,787 |
| Largest World Capitals with Exceptions | 0 | - | 4.67 | 42,775 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.71 | 62,546 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,573 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.53 | 43,653 |
| Biggest Cities Near a Border | 0 | - | 4.11 | 14,743 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,822 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 263,980 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.92 | 80,677 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 62,261 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,804 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.33 | 22,343 |
| Ten Southernmost Megacities | 0 | - | 4.82 | 42,504 |
| Biggest Cities by Trait #2 | 0 | - | 4.32 | 12,440 |
| Flags to Largest Cities | 0 | - | 4.54 | 23,557 |
| 500 Biggest US Cities | 0 | - | 4.87 | 77,619 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.43 | 26,602 |
| Saint Lucia Country Quiz | 0 | - | 4.58 | 14,029 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 55,061 |
| Random European Capital to Country | 0 | - | 4.97 | 129,907 |
| Random European Country to Capital | 0 | - | 4.90 | 104,726 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 32,496 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.84 | 46,199 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.90 | 52,395 |
