| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.93 | 706,454 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,335,147 |
| World Capitals Quiz | 0 | - | 5.00 | 3,911,760 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,178,900 |
| South America Capitals Quiz | 0 | - | 4.99 | 359,785 |
| Biggest Cities in Texas | 0 | - | 4.20 | 94,864 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,870 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,621 |
| Biggest Cities in New Jersey | 0 | - | 3.97 | 22,077 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 287,394 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.54 | 89,705 |
| Biggest English-Speaking Cities | 0 | - | 4.39 | 127,665 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.83 | 98,984 |
| Biggest Cities by Language | 0 | - | 4.95 | 193,586 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,455 |
| Biggest Mediterranean Cities | 0 | - | 4.73 | 69,216 |
| Ancient City to Country | 0 | - | 4.78 | 83,370 |
| Jewish Cities Quiz | 0 | - | 4.31 | 55,716 |
| Biggest Cities in Japan | 0 | - | 4.73 | 66,455 |
| Biggest US Cities by Decade | 0 | - | 4.93 | 132,663 |
| Biggest Cities in Russia | 0 | - | 4.48 | 68,673 |
| Fastest Growing U.S. Cities | 0 | - | 4.26 | 58,130 |
| Africa Capitals Quiz | 0 | - | 4.99 | 526,557 |
| Former Capitals Quiz | 0 | - | 4.74 | 54,435 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 41,546 |
| Biggest Cities in Poland | 0 | - | 4.73 | 40,053 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.36 | 10,634 |
| Biggest Cities Starting With A | 0 | - | 4.54 | 86,826 |
| Biggest Cities Starting With B | 0 | - | 4.38 | 120,768 |
| Biggest Cities Starting With C | 0 | - | 3.99 | 79,247 |
| Biggest Cities Starting With D | 0 | - | 4.46 | 84,600 |
| Biggest Cities Starting With H | 0 | - | 4.48 | 75,314 |
| Biggest Cities Starting With K | 0 | - | 4.35 | 63,322 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 84,826 |
| Biggest Cities Starting With M | 0 | - | 4.47 | 98,517 |
| Biggest Cities Starting With P | 0 | - | 4.44 | 87,379 |
| Biggest Cities Starting With S | 0 | - | 4.34 | 92,568 |
| Biggest Cities Starting With T | 0 | - | 4.25 | 93,098 |
| Biggest Cities in Mexico | 0 | - | 4.51 | 20,952 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.34 | 74,983 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.31 | 62,364 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 70,165 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 76,418 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.10 | 61,297 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.09 | 57,164 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 17,861 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.81 | 52,690 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,391 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,275 |
| Biggest U.S. Cities A-Z | 0 | - | 4.53 | 108,963 |
| Biggest World Cities A-Z | 0 | - | 4.38 | 166,660 |
| Biggest Cities in France | 0 | - | 4.52 | 161,172 |
| Biggest Cities in Spain | 0 | - | 4.64 | 132,569 |
| Biggest Cities in Italy | 0 | - | 4.57 | 188,654 |
| Biggest Cities in California | 0 | - | 4.30 | 119,727 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,315 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 570,156 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,822 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 83,976 |
| Biggest Cities in Ohio | 0 | - | 4.33 | 41,240 |
| Biggest Cities in The Netherlands | 0 | - | 4.42 | 33,631 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 29,842 |
| Biggest Cities in New York State | 0 | - | 4.23 | 51,161 |
| Biggest Cities in Europe | 0 | - | 4.56 | 403,020 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,476 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,229 |
| Biggest Cities in Canada | 0 | - | 4.56 | 108,612 |
| Biggest Cities in Sweden | 0 | - | 4.71 | 24,510 |
| Asia Capitals Quiz | 0 | - | 4.97 | 500,588 |
| Biggest Cities in China | 0 | - | 4.41 | 117,952 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 39,005 |
| Biggest Cities in Germany | 0 | - | 4.94 | 225,909 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,371 |
| Second Biggest Cities Quiz | 0 | - | 4.19 | 36,566 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 134,340 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,705 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 16,321 |
| Biggest Cities in Colorado | 0 | - | 3.97 | 27,045 |
| Biggest Cities in Arizona | 0 | - | 4.24 | 24,718 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,285 |
| Biggest Cities in Illinois | 0 | - | 4.30 | 21,423 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,728 |
| Biggest Cities in Wisconsin | 0 | - | 4.41 | 20,553 |
| Biggest Cities in Georgia | 0 | - | 3.72 | 19,352 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,134 |
| Biggest Cities in Missouri | 0 | - | 4.18 | 14,173 |
| Biggest Cities in Oregon | 0 | - | 4.02 | 16,662 |
| Biggest Cities in Alaska | 0 | - | 4.39 | 16,777 |
| Biggest City by Time Zone | 0 | - | 4.74 | 49,724 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.42 | 78,115 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,470 |
| Biggest Cities in Switzerland | 0 | - | 4.55 | 38,163 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 109,608 |
| Biggest Cities in India | 0 | - | 4.51 | 54,756 |
| Biggest Cities in Asia | 0 | - | 4.87 | 85,808 |
| Biggest City by Island | 0 | - | 4.49 | 42,163 |
| Most Populous Countries in 1900 | 0 | - | 4.86 | 146,822 |
| Biggest Cities in History | 0 | - | 4.49 | 70,369 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 39,782 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.29 | 37,840 |
| Random Capital to Country | 0 | - | 4.99 | 2,069,944 |
| Random Country to Capital | 0 | - | 4.98 | 693,224 |
| Five Biggest Cities by Country | 0 | - | 4.76 | 122,212 |
| Most Populous Countries in 1950 | 0 | - | 4.64 | 63,247 |
| Europe Capital to Country | 0 | - | 4.99 | 198,729 |
| Important Cities in European History | 0 | - | 4.49 | 88,269 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,155 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,128 |
| Biggest Coastal City by Country | 0 | - | 4.56 | 24,002 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.49 | 51,805 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 15,901 |
| Most Populous World Capitals | 0 | - | 4.89 | 127,749 |
| Biggest City by Region | 0 | - | 4.50 | 29,036 |
| Most Populous 2nd Cities | 0 | - | 4.52 | 39,112 |
| Biggest City by Region #2 | 0 | - | 4.46 | 19,746 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,409 |
| City-States | 0 | - | 4.53 | 31,433 |
| Biggest European Cities by Century | 0 | - | 4.96 | 104,926 |
| Capitals of Most Populated Countries | 0 | - | 4.97 | 107,492 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,856 |
| Biggest Cities by Latitude | 0 | - | 4.73 | 24,046 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,071 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 39,313 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,553 |
| Biggest Axis-Controlled Cities | 0 | - | 4.24 | 31,474 |
| Biggest Two-Word Cities | 0 | - | 4.71 | 33,829 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 58,101 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.73 | 55,370 |
| Cities of Ireland | 0 | - | 4.39 | 35,615 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,790 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 145,787 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 72,974 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,288 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.92 | 117,956 |
| Cities of China (With Some Help) | 0 | - | 4.77 | 23,455 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 33,790 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 42,633 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.89 | 32,360 |
| Biggest Cities in the UK | 0 | - | 4.42 | 79,571 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 81,560 |
| World Capitals by Proximity | 0 | - | 4.91 | 263,130 |
| Biggest World Cities in 1850 | 0 | - | 4.52 | 47,479 |
| Megacities on a World Map | 0 | - | 4.97 | 199,046 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 167,591 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.78 | 48,760 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 94,914 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 73,319 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,589 |
| Most Populous Countries by Year | 0 | - | 4.77 | 78,843 |
| Ten Northernmost Megacities | 0 | - | 4.41 | 44,019 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.93 | 74,224 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 301,348 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,222 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 49,935 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.54 | 34,621 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.44 | 35,844 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 433,061 |
| Megacities on an Empty Map | 0 | - | 4.96 | 76,968 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 51,869 |
| All 3M Cities on the World Map | 0 | - | 4.93 | 53,660 |
| All Cities in China with Population of 1 Million | 0 | - | 4.65 | 27,371 |
| Northernmost Major City by Country | 0 | - | 4.50 | 28,067 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 20,726 |
| All Cities in India with Population of 1 Million | 0 | - | 4.78 | 31,873 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 55,076 |
| Cities by Founder and Date | 0 | - | 4.50 | 25,955 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 42,295 |
| Two Largest Cities by First Two Letters | 0 | - | 4.65 | 56,078 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,475 |
| Cities Founded by the French in North America | 0 | - | 4.54 | 35,354 |
| Largest World Capitals with Exceptions | 0 | - | 4.65 | 37,455 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.71 | 61,958 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.96 | 57,414 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.84 | 54,200 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.88 | 60,296 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 47,841 |
| First Countries to Reach 5 Million People | 0 | - | 4.91 | 98,763 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,189 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.52 | 43,259 |
| Biggest Cities Near a Border | 0 | - | 4.11 | 14,522 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,370 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 260,683 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.93 | 79,305 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,708 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,514 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.33 | 22,124 |
| Ten Southernmost Megacities | 0 | - | 4.67 | 32,333 |
| Biggest Cities by Trait #2 | 0 | - | 4.31 | 12,247 |
| Flags to Largest Cities | 0 | - | 4.55 | 22,854 |
| 500 Biggest US Cities | 0 | - | 4.90 | 75,523 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,409 |
| Saint Lucia Country Quiz | 0 | - | 4.64 | 13,824 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.50 | 27,691 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 54,104 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 31,704 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.82 | 44,972 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 50,709 |
| Biggest Cities in the World - 2100 | 0 | - | 4.29 | 67,497 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 66,874 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.58 | 21,628 |
