| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.92 | 708,846 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,340,070 |
| World Capitals Quiz | 0 | - | 5.00 | 3,924,462 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,182,353 |
| South America Capitals Quiz | 0 | - | 4.99 | 361,425 |
| Biggest Cities in Texas | 0 | - | 4.20 | 95,044 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,934 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,168,225 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,819 |
| Biggest Cities in New Jersey | 0 | - | 3.97 | 22,128 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 288,134 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.55 | 89,941 |
| Biggest English-Speaking Cities | 0 | - | 4.39 | 127,828 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.84 | 99,177 |
| Biggest Cities by Language | 0 | - | 4.95 | 194,208 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,524 |
| Biggest Mediterranean Cities | 0 | - | 4.73 | 69,349 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 306,862 |
| Jewish Cities Quiz | 0 | - | 4.31 | 55,803 |
| Biggest Cities in Japan | 0 | - | 4.68 | 66,633 |
| Biggest US Cities by Decade | 0 | - | 4.92 | 132,978 |
| Biggest Cities in Russia | 0 | - | 4.48 | 68,843 |
| Fastest Growing U.S. Cities | 0 | - | 4.26 | 58,183 |
| Africa Capitals Quiz | 0 | - | 4.99 | 528,909 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 107,463 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 41,744 |
| Biggest Cities in Poland | 0 | - | 4.73 | 40,225 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.38 | 10,685 |
| Biggest Cities Starting With A | 0 | - | 4.55 | 87,097 |
| Biggest Cities Starting With B | 0 | - | 4.38 | 121,040 |
| Biggest Cities Starting With C | 0 | - | 3.99 | 79,395 |
| Biggest Cities Starting With D | 0 | - | 4.46 | 84,810 |
| Biggest Cities Starting With H | 0 | - | 4.48 | 75,778 |
| Biggest Cities Starting With K | 0 | - | 4.35 | 63,470 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 85,075 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 98,839 |
| Biggest Cities Starting With P | 0 | - | 4.44 | 87,652 |
| Biggest Cities Starting With S | 0 | - | 4.34 | 92,850 |
| Biggest Cities Starting With T | 0 | - | 4.25 | 93,371 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 21,061 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.34 | 75,226 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.32 | 62,579 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 70,563 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 76,624 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.12 | 61,452 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.07 | 57,311 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 17,996 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.82 | 52,821 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,544 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,445 |
| Biggest U.S. Cities A-Z | 0 | - | 4.54 | 109,189 |
| Biggest World Cities A-Z | 0 | - | 4.39 | 167,104 |
| Biggest Cities in France | 0 | - | 4.52 | 161,733 |
| Biggest Cities in Spain | 0 | - | 4.65 | 133,012 |
| Biggest Cities in Italy | 0 | - | 4.63 | 189,262 |
| Biggest Cities in California | 0 | - | 4.30 | 119,964 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,495 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 571,994 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,905 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 84,186 |
| Biggest Cities in Ohio | 0 | - | 4.33 | 41,343 |
| Biggest Cities in The Netherlands | 0 | - | 4.42 | 36,110 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 29,885 |
| Biggest Cities in New York State | 0 | - | 4.20 | 51,262 |
| Biggest Cities in Europe | 0 | - | 4.63 | 404,024 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,537 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,276 |
| Biggest Cities in Canada | 0 | - | 4.57 | 108,859 |
| Biggest Cities in Sweden | 0 | - | 4.71 | 24,631 |
| North America Capitals Quiz | 0 | - | 4.99 | 155,165 |
| Capitals of Oceania Quiz | 0 | - | 4.98 | 185,809 |
| Asia Capitals Quiz | 0 | - | 4.97 | 502,402 |
| Biggest Cities in China | 0 | - | 4.42 | 118,368 |
| Summer Olympics Host Cities | 0 | - | 4.97 | 161,061 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 39,088 |
| Biggest Cities in Germany | 0 | - | 4.94 | 226,802 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,466 |
| Capitals in their Native Languages | 0 | - | 4.93 | 106,523 |
| Second Biggest Cities Quiz | 0 | - | 4.19 | 36,613 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 134,984 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,875 |
| Biggest Cities in Louisiana | 0 | - | 3.98 | 16,359 |
| Biggest Cities in Colorado | 0 | - | 3.97 | 27,118 |
| Biggest Cities in Arizona | 0 | - | 4.24 | 24,809 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,339 |
| Biggest Cities in Illinois | 0 | - | 4.30 | 21,500 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,818 |
| Biggest Cities in Wisconsin | 0 | - | 4.35 | 20,604 |
| Biggest Cities in Georgia | 0 | - | 3.72 | 19,393 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,194 |
| Biggest Cities in Missouri | 0 | - | 4.18 | 14,211 |
| Biggest Cities in Oregon | 0 | - | 4.02 | 16,712 |
| Biggest Cities in Alaska | 0 | - | 4.39 | 16,843 |
| Biggest City by Time Zone | 0 | - | 4.74 | 49,809 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.42 | 78,223 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,796 |
| Biggest Cities in Switzerland | 0 | - | 4.56 | 38,328 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 109,814 |
| Biggest Cities in India | 0 | - | 4.52 | 54,919 |
| Biggest Cities in Asia | 0 | - | 4.87 | 86,025 |
| Biggest City by Island | 0 | - | 4.49 | 42,256 |
| Official Cities in the UK | 0 | - | 4.89 | 197,706 |
| Biggest Cities in History | 0 | - | 4.47 | 70,670 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 39,882 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.29 | 37,896 |
| Random Capital to Country | 0 | - | 4.99 | 2,076,144 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,415 |
| Random Country to Capital | 0 | - | 4.98 | 695,148 |
| Five Biggest Cities by Country | 0 | - | 4.76 | 122,527 |
| Coldest World Capitals | 0 | - | 4.97 | 105,313 |
| Europe Capital to Country | 0 | - | 4.99 | 199,141 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,263 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,233 |
| Biggest Coastal City by Country | 0 | - | 4.56 | 24,117 |
| Same Letter Country and Capital | 0 | - | 4.98 | 103,476 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.57 | 58,659 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 15,974 |
| Most Populous World Capitals | 0 | - | 4.89 | 128,243 |
| Biggest City by Region | 0 | - | 4.50 | 29,183 |
| Most Populous 2nd Cities | 0 | - | 4.53 | 39,286 |
| Biggest City by Region #2 | 0 | - | 4.44 | 19,877 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,466 |
| Biggest European Cities by Century | 0 | - | 4.96 | 105,230 |
| Capitals of Most Populated Countries | 0 | - | 4.97 | 107,710 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 224,809 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,892 |
| Biggest Cities by Latitude | 0 | - | 4.73 | 24,112 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,265 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 39,413 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,694 |
| Biggest Axis-Controlled Cities | 0 | - | 4.24 | 31,534 |
| Biggest Two-Word Cities | 0 | - | 4.71 | 33,994 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 58,327 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.73 | 55,560 |
| World Capitals by Map | 0 | - | 5.00 | 190,587 |
| Cities of Ireland | 0 | - | 4.40 | 35,696 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,872 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 146,296 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 73,191 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,390 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 118,337 |
| Cities of China (With Some Help) | 0 | - | 4.77 | 23,583 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.90 | 33,998 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 42,780 |
| Top 50 Countries by Population - In Order | 0 | - | 4.96 | 217,751 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.89 | 32,467 |
| Biggest Cities in the UK | 0 | - | 4.42 | 79,836 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 81,815 |
| World Capitals by Proximity | 0 | - | 4.91 | 263,617 |
| Biggest World Cities in 1850 | 0 | - | 4.52 | 47,607 |
| Megacities on a World Map | 0 | - | 4.97 | 199,780 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 174,568 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.78 | 48,867 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 95,504 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 73,702 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,716 |
| Ten Northernmost Megacities | 0 | - | 4.41 | 44,085 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.93 | 74,625 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 312,755 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 101,183 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,291 |
| U.S. State Capitals Map Quiz | 0 | - | 4.89 | 109,044 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.91 | 154,509 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 50,071 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.88 | 176,410 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.57 | 34,724 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.44 | 35,949 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 434,678 |
| Megacities on an Empty Map | 0 | - | 4.96 | 77,220 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 52,058 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 53,989 |
| All Cities in China with Population of 1 Million | 0 | - | 4.66 | 27,647 |
| Northernmost Major City by Country | 0 | - | 4.50 | 28,132 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.93 | 21,094 |
| All Cities in India with Population of 1 Million | 0 | - | 4.80 | 32,838 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 55,313 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.46 | 42,461 |
| Two Largest Cities by First Two Letters | 0 | - | 4.65 | 56,233 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,571 |
| Largest World Capitals with Exceptions | 0 | - | 4.66 | 37,777 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.71 | 62,104 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,310 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.53 | 43,382 |
| Biggest Cities Near a Border | 0 | - | 4.11 | 14,594 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,513 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 261,735 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.93 | 79,692 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,868 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,589 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.33 | 22,172 |
| Ten Southernmost Megacities | 0 | - | 4.68 | 32,429 |
| Biggest Cities by Trait #2 | 0 | - | 4.31 | 12,309 |
| Flags to Largest Cities | 0 | - | 4.55 | 23,074 |
| 500 Biggest US Cities | 0 | - | 4.88 | 76,044 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,462 |
| Saint Lucia Country Quiz | 0 | - | 4.57 | 13,891 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 54,375 |
| Random European Capital to Country | 0 | - | 4.97 | 128,729 |
| Random European Country to Capital | 0 | - | 4.90 | 103,974 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 31,951 |
