| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.93 | 706,947 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,336,172 |
| World Capitals Quiz | 0 | - | 5.00 | 3,914,290 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,179,689 |
| South America Capitals Quiz | 0 | - | 4.99 | 360,080 |
| Biggest Cities in Texas | 0 | - | 4.20 | 94,902 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,883 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,165,852 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,659 |
| Biggest Cities in New Jersey | 0 | - | 3.97 | 22,083 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 287,581 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.54 | 89,763 |
| Biggest English-Speaking Cities | 0 | - | 4.39 | 127,700 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.84 | 99,037 |
| Biggest Cities by Language | 0 | - | 4.95 | 193,658 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,469 |
| Biggest Mediterranean Cities | 0 | - | 4.73 | 69,246 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 306,295 |
| Jewish Cities Quiz | 0 | - | 4.31 | 55,734 |
| Biggest Cities in Japan | 0 | - | 4.72 | 66,497 |
| Biggest US Cities by Decade | 0 | - | 4.92 | 132,730 |
| Biggest Cities in Russia | 0 | - | 4.48 | 68,707 |
| Fastest Growing U.S. Cities | 0 | - | 4.26 | 58,138 |
| Africa Capitals Quiz | 0 | - | 4.99 | 526,994 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 107,284 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 41,600 |
| Biggest Cities in Poland | 0 | - | 4.72 | 40,092 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.38 | 10,642 |
| Biggest Cities Starting With A | 0 | - | 4.54 | 86,869 |
| Biggest Cities Starting With B | 0 | - | 4.38 | 120,815 |
| Biggest Cities Starting With C | 0 | - | 3.99 | 79,268 |
| Biggest Cities Starting With D | 0 | - | 4.46 | 84,638 |
| Biggest Cities Starting With H | 0 | - | 4.48 | 75,370 |
| Biggest Cities Starting With K | 0 | - | 4.35 | 63,339 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 84,875 |
| Biggest Cities Starting With M | 0 | - | 4.47 | 98,579 |
| Biggest Cities Starting With P | 0 | - | 4.44 | 87,430 |
| Biggest Cities Starting With S | 0 | - | 4.34 | 92,615 |
| Biggest Cities Starting With T | 0 | - | 4.25 | 93,148 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 20,976 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.34 | 75,022 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.31 | 62,392 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 70,190 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 76,439 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.10 | 61,315 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.06 | 57,176 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 17,874 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.81 | 52,700 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,404 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,297 |
| Biggest U.S. Cities A-Z | 0 | - | 4.54 | 109,013 |
| Biggest World Cities A-Z | 0 | - | 4.38 | 166,774 |
| Biggest Cities in France | 0 | - | 4.52 | 161,285 |
| Biggest Cities in Spain | 0 | - | 4.64 | 132,674 |
| Biggest Cities in Italy | 0 | - | 4.57 | 188,778 |
| Biggest Cities in California | 0 | - | 4.30 | 119,786 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,373 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 570,526 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,842 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 84,027 |
| Biggest Cities in Ohio | 0 | - | 4.33 | 41,263 |
| Biggest Cities in The Netherlands | 0 | - | 4.42 | 33,669 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 29,853 |
| Biggest Cities in New York State | 0 | - | 4.20 | 51,175 |
| Biggest Cities in Europe | 0 | - | 4.57 | 403,239 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,486 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,238 |
| Biggest Cities in Canada | 0 | - | 4.56 | 108,678 |
| Biggest Cities in Sweden | 0 | - | 4.71 | 24,541 |
| North America Capitals Quiz | 0 | - | 4.99 | 154,554 |
| Capitals of Oceania Quiz | 0 | - | 4.98 | 184,949 |
| Asia Capitals Quiz | 0 | - | 4.97 | 500,991 |
| Biggest Cities in China | 0 | - | 4.42 | 118,075 |
| Summer Olympics Host Cities | 0 | - | 4.97 | 160,829 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 39,031 |
| Biggest Cities in Germany | 0 | - | 4.94 | 226,065 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,395 |
| Capitals in their Native Languages | 0 | - | 4.93 | 106,374 |
| Second Biggest Cities Quiz | 0 | - | 4.19 | 36,579 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 134,409 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,745 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 16,329 |
| Biggest Cities in Colorado | 0 | - | 3.97 | 27,058 |
| Biggest Cities in Arizona | 0 | - | 4.24 | 24,737 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,297 |
| Biggest Cities in Illinois | 0 | - | 4.30 | 21,439 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,753 |
| Biggest Cities in Wisconsin | 0 | - | 4.35 | 20,564 |
| Biggest Cities in Georgia | 0 | - | 3.72 | 19,365 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,146 |
| Biggest Cities in Missouri | 0 | - | 4.18 | 14,178 |
| Biggest Cities in Oregon | 0 | - | 4.02 | 16,678 |
| Biggest Cities in Alaska | 0 | - | 4.39 | 16,793 |
| Biggest City by Time Zone | 0 | - | 4.74 | 49,739 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.42 | 78,143 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,536 |
| Biggest Cities in Switzerland | 0 | - | 4.55 | 38,193 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 109,636 |
| Biggest Cities in India | 0 | - | 4.51 | 54,786 |
| Biggest Cities in Asia | 0 | - | 4.87 | 85,857 |
| Biggest City by Island | 0 | - | 4.49 | 42,189 |
| Official Cities in the UK | 0 | - | 4.89 | 197,110 |
| Biggest Cities in History | 0 | - | 4.49 | 70,448 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 39,804 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.29 | 37,852 |
| Random Capital to Country | 0 | - | 4.99 | 2,071,301 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,270 |
| Random Country to Capital | 0 | - | 4.98 | 693,616 |
| Five Biggest Cities by Country | 0 | - | 4.76 | 122,279 |
| Coldest World Capitals | 0 | - | 4.97 | 105,195 |
| Europe Capital to Country | 0 | - | 4.99 | 198,824 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,175 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,151 |
| Biggest Coastal City by Country | 0 | - | 4.56 | 24,027 |
| Same Letter Country and Capital | 0 | - | 4.98 | 103,328 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.49 | 51,827 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 15,915 |
| Most Populous World Capitals | 0 | - | 4.89 | 127,805 |
| Biggest City by Region | 0 | - | 4.50 | 29,075 |
| Most Populous 2nd Cities | 0 | - | 4.52 | 39,170 |
| Biggest City by Region #2 | 0 | - | 4.46 | 19,787 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,427 |
| Biggest European Cities by Century | 0 | - | 4.96 | 104,990 |
| Capitals of Most Populated Countries | 0 | - | 4.97 | 107,546 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 224,432 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,864 |
| Biggest Cities by Latitude | 0 | - | 4.73 | 24,063 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,110 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 39,334 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,576 |
| Biggest Axis-Controlled Cities | 0 | - | 4.24 | 31,488 |
| Biggest Two-Word Cities | 0 | - | 4.71 | 33,864 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 58,151 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.73 | 55,413 |
| World Capitals by Map | 0 | - | 5.00 | 189,816 |
| Cities of Ireland | 0 | - | 4.39 | 35,631 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,804 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 145,891 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 73,010 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,305 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.92 | 118,061 |
| Cities of China (With Some Help) | 0 | - | 4.76 | 23,493 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.90 | 33,843 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 42,667 |
| Top 50 Countries by Population - In Order | 0 | - | 4.96 | 217,312 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.89 | 32,393 |
| Biggest Cities in the UK | 0 | - | 4.42 | 79,625 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 81,625 |
| World Capitals by Proximity | 0 | - | 4.91 | 263,230 |
| Biggest World Cities in 1850 | 0 | - | 4.52 | 47,503 |
| Megacities on a World Map | 0 | - | 4.97 | 199,283 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 171,653 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.78 | 48,781 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 95,171 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 73,469 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,622 |
| Ten Northernmost Megacities | 0 | - | 4.41 | 44,036 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.93 | 74,412 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 308,264 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 100,892 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,236 |
| U.S. State Capitals Map Quiz | 0 | - | 4.89 | 108,769 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.91 | 154,153 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 49,959 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.88 | 175,945 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.56 | 34,648 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.44 | 35,871 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 433,417 |
| Megacities on an Empty Map | 0 | - | 4.96 | 77,027 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 51,907 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 53,726 |
| All Cities in China with Population of 1 Million | 0 | - | 4.66 | 27,440 |
| Northernmost Major City by Country | 0 | - | 4.50 | 28,084 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 20,820 |
| All Cities in India with Population of 1 Million | 0 | - | 4.80 | 32,393 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 55,129 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.46 | 42,339 |
| Two Largest Cities by First Two Letters | 0 | - | 4.65 | 56,121 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,489 |
| Largest World Capitals with Exceptions | 0 | - | 4.66 | 37,574 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.71 | 61,986 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,218 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.52 | 43,292 |
| Biggest Cities Near a Border | 0 | - | 4.11 | 14,547 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,412 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 260,936 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.93 | 79,413 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,739 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,530 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.33 | 22,136 |
| Ten Southernmost Megacities | 0 | - | 4.67 | 32,353 |
| Biggest Cities by Trait #2 | 0 | - | 4.31 | 12,261 |
| Flags to Largest Cities | 0 | - | 4.55 | 22,910 |
| 500 Biggest US Cities | 0 | - | 4.90 | 75,644 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,419 |
| Saint Lucia Country Quiz | 0 | - | 4.64 | 13,842 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 54,170 |
| Random European Capital to Country | 0 | - | 4.97 | 128,369 |
| Random European Country to Capital | 0 | - | 4.90 | 103,721 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 31,755 |
