| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.92 | 709,311 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,340,891 |
| World Capitals Quiz | 0 | - | 5.00 | 3,926,943 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,182,964 |
| South America Capitals Quiz | 0 | - | 4.99 | 361,675 |
| Biggest Cities in Texas | 0 | - | 4.21 | 95,252 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,943 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,848 |
| Biggest Cities in New Jersey | 0 | - | 3.97 | 22,142 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 288,271 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.55 | 89,980 |
| Biggest English-Speaking Cities | 0 | - | 4.39 | 127,849 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.84 | 99,211 |
| Biggest Cities by Language | 0 | - | 4.95 | 194,290 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,544 |
| Biggest Mediterranean Cities | 0 | - | 4.67 | 69,375 |
| Ancient City to Country | 0 | - | 4.73 | 83,901 |
| 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 | 133,040 |
| Biggest Cities in Russia | 0 | - | 4.48 | 68,866 |
| Fastest Growing U.S. Cities | 0 | - | 4.26 | 58,194 |
| Africa Capitals Quiz | 0 | - | 4.99 | 529,270 |
| Former Capitals Quiz | 0 | - | 4.74 | 54,527 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 41,770 |
| Biggest Cities in Poland | 0 | - | 4.73 | 40,270 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.38 | 10,699 |
| Biggest Cities Starting With A | 0 | - | 4.54 | 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 | 75,808 |
| Biggest Cities Starting With K | 0 | - | 4.35 | 63,501 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 85,116 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 98,890 |
| Biggest Cities Starting With P | 0 | - | 4.44 | 87,689 |
| Biggest Cities Starting With S | 0 | - | 4.34 | 92,878 |
| Biggest Cities Starting With T | 0 | - | 4.25 | 93,425 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 21,079 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.34 | 75,267 |
| 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 | 76,650 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.12 | 61,483 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.07 | 57,332 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 18,009 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.82 | 52,832 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,571 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,469 |
| Biggest U.S. Cities A-Z | 0 | - | 4.54 | 109,271 |
| Biggest World Cities A-Z | 0 | - | 4.39 | 167,190 |
| Biggest Cities in France | 0 | - | 4.52 | 161,831 |
| Biggest Cities in Spain | 0 | - | 4.65 | 133,122 |
| Biggest Cities in Italy | 0 | - | 4.63 | 189,382 |
| 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 | - | 4.84 | 572,326 |
| 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 | 36,339 |
| 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 | 404,207 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,551 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,285 |
| Biggest Cities in Canada | 0 | - | 4.57 | 108,907 |
| Biggest Cities in Sweden | 0 | - | 4.71 | 24,650 |
| Asia Capitals Quiz | 0 | - | 4.97 | 502,751 |
| Biggest Cities in China | 0 | - | 4.42 | 118,433 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 39,102 |
| Biggest Cities in Germany | 0 | - | 4.94 | 226,963 |
| 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 | 135,051 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,910 |
| 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 | 20,349 |
| Biggest Cities in Illinois | 0 | - | 4.30 | 21,515 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,841 |
| Biggest Cities in Wisconsin | 0 | - | 4.35 | 20,617 |
| 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 | 85,867 |
| Biggest Cities in Switzerland | 0 | - | 4.56 | 38,354 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 110,071 |
| Biggest Cities in India | 0 | - | 4.52 | 54,956 |
| Biggest Cities in Asia | 0 | - | 4.87 | 86,056 |
| Biggest City by Island | 0 | - | 4.49 | 42,277 |
| Most Populous Countries in 1900 | 0 | - | 4.86 | 147,225 |
| Biggest Cities in History | 0 | - | 4.47 | 70,719 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 39,898 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.29 | 37,904 |
| Random Capital to Country | 0 | - | 4.99 | 2,077,297 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,442 |
| Random Country to Capital | 0 | - | 4.98 | 695,606 |
| Five Biggest Cities by Country | 0 | - | 4.76 | 122,594 |
| Most Populous Countries in 1950 | 0 | - | 4.64 | 63,463 |
| Europe Capital to Country | 0 | - | 4.99 | 199,218 |
| Important Cities in European History | 0 | - | 4.49 | 88,451 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,281 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,258 |
| Biggest Coastal City by Country | 0 | - | 4.56 | 24,131 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.53 | 58,766 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 15,989 |
| Most Populous World Capitals | 0 | - | 4.89 | 128,292 |
| Biggest City by Region | 0 | - | 4.50 | 29,211 |
| Most Populous 2nd Cities | 0 | - | 4.53 | 39,308 |
| Biggest City by Region #2 | 0 | - | 4.44 | 19,892 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,476 |
| City-States | 0 | - | 4.53 | 31,550 |
| Capitals of Most Populated Countries | 0 | - | 4.97 | 107,754 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,899 |
| Biggest Cities by Latitude | 0 | - | 4.73 | 24,122 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,310 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 39,437 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,730 |
| Biggest Axis-Controlled Cities | 0 | - | 4.24 | 31,540 |
| Biggest Two-Word Cities | 0 | - | 4.71 | 34,019 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 58,368 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.73 | 55,601 |
| Cities of Ireland | 0 | - | 4.40 | 35,711 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,891 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 146,396 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 73,224 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,409 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 118,394 |
| Cities of China (With Some Help) | 0 | - | 4.77 | 23,602 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.90 | 34,025 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 42,804 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.89 | 32,488 |
| Biggest Cities in the UK | 0 | - | 4.42 | 79,886 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 81,863 |
| World Capitals by Proximity | 0 | - | 4.91 | 263,715 |
| Biggest World Cities in 1850 | 0 | - | 4.52 | 47,628 |
| Megacities on a World Map | 0 | - | 4.97 | 199,867 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 174,785 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.78 | 48,886 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 95,545 |
| 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 |
| Most Populous Countries by Year | 0 | - | 4.78 | 79,363 |
| Ten Northernmost Megacities | 0 | - | 4.41 | 44,122 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.93 | 74,657 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 313,084 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,300 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 50,097 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.57 | 34,739 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.44 | 35,963 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 435,000 |
| Megacities on an Empty Map | 0 | - | 4.96 | 77,276 |
| 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 | 54,039 |
| All Cities in China with Population of 1 Million | 0 | - | 4.67 | 27,680 |
| Northernmost Major City by Country | 0 | - | 4.50 | 28,146 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.93 | 21,153 |
| All Cities in India with Population of 1 Million | 0 | - | 4.80 | 32,873 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 55,356 |
| Cities by Founder and Date | 0 | - | 4.50 | 26,010 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.46 | 42,501 |
| Two Largest Cities by First Two Letters | 0 | - | 4.65 | 56,264 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,582 |
| Cities Founded by the French in North America | 0 | - | 4.51 | 35,441 |
| Largest World Capitals with Exceptions | 0 | - | 4.66 | 37,823 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.71 | 62,138 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.96 | 57,599 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.84 | 54,386 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.88 | 60,451 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 48,006 |
| First Countries to Reach 5 Million People | 0 | - | 4.91 | 99,207 |
| 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 | 43,401 |
| Biggest Cities Near a Border | 0 | - | 4.11 | 14,606 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,530 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 261,895 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.93 | 79,750 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,894 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,600 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.33 | 22,184 |
| Ten Southernmost Megacities | 0 | - | 4.68 | 38,462 |
| Biggest Cities by Trait #2 | 0 | - | 4.31 | 12,314 |
| Flags to Largest Cities | 0 | - | 4.55 | 23,105 |
| 500 Biggest US Cities | 0 | - | 4.88 | 76,150 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,469 |
| Saint Lucia Country Quiz | 0 | - | 4.57 | 13,900 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.50 | 27,764 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 54,422 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 31,983 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.82 | 45,386 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 51,273 |
| Biggest Cities in the World - 2100 | 0 | - | 4.27 | 67,917 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 67,105 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.58 | 21,717 |
