| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.93 | 704,414 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,331,033 |
| World Capitals Quiz | 0 | - | 5.00 | 3,901,883 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,175,881 |
| South America Capitals Quiz | 0 | - | 4.99 | 358,704 |
| Biggest Cities in Texas | 0 | - | 4.20 | 94,720 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,800 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,423 |
| Biggest Cities in New Jersey | 0 | - | 3.97 | 22,041 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 286,736 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.55 | 89,469 |
| Biggest English-Speaking Cities | 0 | - | 4.39 | 127,518 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.82 | 98,837 |
| Biggest Cities by Language | 0 | - | 4.95 | 193,262 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,394 |
| Biggest Mediterranean Cities | 0 | - | 4.73 | 69,092 |
| Ancient City to Country | 0 | - | 4.78 | 83,260 |
| Jewish Cities Quiz | 0 | - | 4.31 | 55,646 |
| Biggest Cities in Japan | 0 | - | 4.73 | 66,298 |
| Biggest US Cities by Decade | 0 | - | 4.93 | 132,419 |
| Biggest Cities in Russia | 0 | - | 4.48 | 68,531 |
| Fastest Growing U.S. Cities | 0 | - | 4.26 | 58,092 |
| Africa Capitals Quiz | 0 | - | 4.99 | 524,624 |
| Former Capitals Quiz | 0 | - | 4.74 | 54,356 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 41,377 |
| Biggest Cities in Poland | 0 | - | 4.73 | 39,912 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.36 | 10,596 |
| Biggest Cities Starting With A | 0 | - | 4.54 | 86,535 |
| Biggest Cities Starting With B | 0 | - | 4.38 | 120,449 |
| Biggest Cities Starting With C | 0 | - | 3.99 | 79,119 |
| Biggest Cities Starting With D | 0 | - | 4.46 | 84,403 |
| Biggest Cities Starting With H | 0 | - | 4.49 | 75,048 |
| Biggest Cities Starting With K | 0 | - | 4.35 | 63,200 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 84,548 |
| Biggest Cities Starting With M | 0 | - | 4.47 | 98,205 |
| Biggest Cities Starting With P | 0 | - | 4.44 | 87,079 |
| Biggest Cities Starting With S | 0 | - | 4.34 | 92,290 |
| Biggest Cities Starting With T | 0 | - | 4.25 | 92,525 |
| Biggest Cities in Mexico | 0 | - | 4.51 | 20,843 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.36 | 74,771 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.31 | 62,180 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 69,990 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 76,000 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.10 | 61,189 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.09 | 57,072 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 17,780 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.81 | 52,611 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,279 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,167 |
| Biggest U.S. Cities A-Z | 0 | - | 4.53 | 108,716 |
| Biggest World Cities A-Z | 0 | - | 4.38 | 166,360 |
| Biggest Cities in France | 0 | - | 4.50 | 160,651 |
| Biggest Cities in Spain | 0 | - | 4.65 | 132,185 |
| Biggest Cities in Italy | 0 | - | 4.57 | 188,210 |
| Biggest Cities in California | 0 | - | 4.32 | 119,552 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,217 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 568,520 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,766 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 83,802 |
| Biggest Cities in Ohio | 0 | - | 4.33 | 41,168 |
| Biggest Cities in The Netherlands | 0 | - | 4.42 | 33,511 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 29,803 |
| Biggest Cities in New York State | 0 | - | 4.23 | 51,085 |
| Biggest Cities in Europe | 0 | - | 4.57 | 402,093 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,424 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,181 |
| Biggest Cities in Canada | 0 | - | 4.56 | 108,159 |
| Biggest Cities in Sweden | 0 | - | 4.67 | 24,410 |
| Asia Capitals Quiz | 0 | - | 4.97 | 498,824 |
| Biggest Cities in China | 0 | - | 4.41 | 117,431 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 38,953 |
| Biggest Cities in Germany | 0 | - | 4.94 | 225,248 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,278 |
| Second Biggest Cities Quiz | 0 | - | 4.19 | 36,519 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 134,033 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,548 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 16,288 |
| Biggest Cities in Colorado | 0 | - | 3.97 | 27,003 |
| Biggest Cities in Arizona | 0 | - | 4.24 | 24,651 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,248 |
| Biggest Cities in Illinois | 0 | - | 4.29 | 21,366 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,652 |
| Biggest Cities in Wisconsin | 0 | - | 4.41 | 20,486 |
| Biggest Cities in Georgia | 0 | - | 3.72 | 19,321 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,085 |
| Biggest Cities in Missouri | 0 | - | 4.18 | 14,142 |
| Biggest Cities in Oregon | 0 | - | 4.02 | 16,599 |
| Biggest Cities in Alaska | 0 | - | 4.38 | 16,709 |
| Biggest City by Time Zone | 0 | - | 4.74 | 49,644 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.42 | 78,022 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,197 |
| Biggest Cities in Switzerland | 0 | - | 4.55 | 38,054 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 109,470 |
| Biggest Cities in India | 0 | - | 4.52 | 54,617 |
| Biggest Cities in Asia | 0 | - | 4.87 | 85,515 |
| Biggest City by Island | 0 | - | 4.49 | 42,062 |
| Most Populous Countries in 1900 | 0 | - | 4.86 | 146,534 |
| Biggest Cities in History | 0 | - | 4.49 | 70,060 |
| Biggest Cities by Trait #1 | 0 | - | 4.43 | 39,701 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.29 | 37,807 |
| Random Capital to Country | 0 | - | 4.99 | 2,064,606 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,084 |
| Random Country to Capital | 0 | - | 4.98 | 691,128 |
| Five Biggest Cities by Country | 0 | - | 4.76 | 121,913 |
| Most Populous Countries in 1950 | 0 | - | 4.64 | 63,108 |
| Europe Capital to Country | 0 | - | 4.99 | 198,350 |
| Important Cities in European History | 0 | - | 4.49 | 88,125 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,053 |
| Biggest Coastal City by Country | 0 | - | 4.56 | 23,904 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.49 | 51,730 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 15,840 |
| Most Populous World Capitals | 0 | - | 4.89 | 127,564 |
| Biggest City by Region | 0 | - | 4.50 | 28,934 |
| Most Populous 2nd Cities | 0 | - | 4.53 | 38,985 |
| Biggest City by Region #2 | 0 | - | 4.46 | 19,682 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,341 |
| City-States | 0 | - | 4.53 | 31,349 |
| Biggest European Cities by Century | 0 | - | 4.97 | 104,686 |
| Capitals of Most Populated Countries | 0 | - | 4.97 | 107,300 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,818 |
| Biggest Cities by Latitude | 0 | - | 4.73 | 24,003 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.91 | 58,902 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 39,096 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,434 |
| Biggest Axis-Controlled Cities | 0 | - | 4.24 | 31,437 |
| Biggest Two-Word Cities | 0 | - | 4.71 | 33,694 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 57,882 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.73 | 55,174 |
| Cities of Ireland | 0 | - | 4.39 | 35,560 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,726 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 145,361 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 72,751 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,215 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.92 | 117,674 |
| Cities of China (With Some Help) | 0 | - | 4.77 | 23,328 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 33,665 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 42,519 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.88 | 32,270 |
| Biggest Cities in the UK | 0 | - | 4.42 | 78,928 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.93 | 81,357 |
| World Capitals by Proximity | 0 | - | 4.91 | 262,683 |
| Biggest World Cities in 1850 | 0 | - | 4.52 | 47,380 |
| Megacities on a World Map | 0 | - | 4.97 | 198,339 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 153,183 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.78 | 48,665 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 94,016 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 72,745 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.84 | 38,472 |
| Most Populous Countries by Year | 0 | - | 4.77 | 78,566 |
| Ten Northernmost Megacities | 0 | - | 4.41 | 43,960 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.93 | 73,449 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 300,174 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,151 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 49,815 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.54 | 34,548 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.44 | 35,747 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 431,729 |
| Megacities on an Empty Map | 0 | - | 4.96 | 76,745 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 51,668 |
| All 3M Cities on the World Map | 0 | - | 4.93 | 53,387 |
| All Cities in China with Population of 1 Million | 0 | - | 4.65 | 27,019 |
| Northernmost Major City by Country | 0 | - | 4.50 | 28,020 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 20,350 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 28,883 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 54,877 |
| Cities by Founder and Date | 0 | - | 4.50 | 25,913 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 42,092 |
| Two Largest Cities by First Two Letters | 0 | - | 4.65 | 55,932 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,408 |
| Cities Founded by the French in North America | 0 | - | 4.54 | 35,284 |
| Largest World Capitals with Exceptions | 0 | - | 4.65 | 36,962 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.71 | 61,824 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.96 | 57,232 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.84 | 54,051 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.88 | 60,153 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 47,703 |
| First Countries to Reach 5 Million People | 0 | - | 4.91 | 97,375 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,094 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.52 | 43,160 |
| Biggest Cities Near a Border | 0 | - | 4.12 | 14,490 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,290 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 259,778 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.93 | 78,963 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,565 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,453 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.33 | 22,078 |
| Ten Southernmost Megacities | 0 | - | 4.67 | 32,231 |
| Biggest Cities by Trait #2 | 0 | - | 4.30 | 12,191 |
| Flags to Largest Cities | 0 | - | 4.55 | 22,649 |
| 500 Biggest US Cities | 0 | - | 4.90 | 75,099 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,332 |
| Saint Lucia Country Quiz | 0 | - | 4.64 | 13,778 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.50 | 27,640 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 53,924 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 31,495 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.82 | 44,675 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 50,324 |
| Biggest Cities in the World - 2100 | 0 | - | 4.29 | 67,247 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 66,663 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.58 | 21,568 |
