| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.93 | 709,695 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,341,665 |
| World Capitals Quiz | 0 | - | 5.00 | 3,929,040 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,183,637 |
| South America Capitals Quiz | 0 | - | 4.99 | 361,906 |
| Biggest Cities in Texas | 0 | - | 4.21 | 95,277 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,955 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,169,265 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,888 |
| Biggest Cities in New Jersey | 0 | - | 3.97 | 22,151 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 288,394 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.55 | 90,026 |
| Biggest English-Speaking Cities | 0 | - | 4.39 | 127,874 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.84 | 99,249 |
| Biggest Cities by Language | 0 | - | 4.95 | 194,366 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,565 |
| Biggest Mediterranean Cities | 0 | - | 4.67 | 69,397 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 307,072 |
| Jewish Cities Quiz | 0 | - | 4.32 | 55,836 |
| Biggest Cities in Japan | 0 | - | 4.68 | 66,737 |
| Biggest US Cities by Decade | 0 | - | 4.92 | 133,069 |
| Biggest Cities in Russia | 0 | - | 4.49 | 68,893 |
| Fastest Growing U.S. Cities | 0 | - | 4.26 | 58,204 |
| Africa Capitals Quiz | 0 | - | 4.99 | 529,670 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 107,538 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 41,805 |
| Biggest Cities in Poland | 0 | - | 4.72 | 40,296 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.38 | 10,705 |
| Biggest Cities Starting With A | 0 | - | 4.55 | 87,171 |
| Biggest Cities Starting With B | 0 | - | 4.38 | 121,121 |
| Biggest Cities Starting With C | 0 | - | 3.99 | 79,432 |
| Biggest Cities Starting With D | 0 | - | 4.46 | 84,866 |
| Biggest Cities Starting With H | 0 | - | 4.48 | 75,835 |
| Biggest Cities Starting With K | 0 | - | 4.35 | 63,531 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 85,163 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 98,952 |
| Biggest Cities Starting With P | 0 | - | 4.44 | 87,728 |
| Biggest Cities Starting With S | 0 | - | 4.34 | 92,907 |
| Biggest Cities Starting With T | 0 | - | 4.25 | 93,464 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 21,089 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.34 | 75,286 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.32 | 62,629 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 70,614 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 76,670 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.12 | 61,498 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.07 | 57,346 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 18,017 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.82 | 52,841 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,587 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,489 |
| Biggest U.S. Cities A-Z | 0 | - | 4.55 | 109,316 |
| Biggest World Cities A-Z | 0 | - | 4.39 | 167,260 |
| Biggest Cities in France | 0 | - | 4.53 | 161,931 |
| Biggest Cities in Spain | 0 | - | 4.66 | 133,203 |
| Biggest Cities in Italy | 0 | - | 4.64 | 189,505 |
| Biggest Cities in California | 0 | - | 4.30 | 120,037 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,536 |
| Biggest Cities in the World Quiz | 0 | - | 4.82 | 572,753 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,923 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 84,243 |
| Biggest Cities in Ohio | 0 | - | 4.33 | 41,370 |
| Biggest Cities in The Netherlands | 0 | - | 4.43 | 36,525 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 29,905 |
| Biggest Cities in New York State | 0 | - | 4.20 | 51,288 |
| Biggest Cities in Europe | 0 | - | 4.64 | 404,391 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,558 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,293 |
| Biggest Cities in Canada | 0 | - | 4.57 | 108,971 |
| Biggest Cities in Sweden | 0 | - | 4.71 | 24,680 |
| North America Capitals Quiz | 0 | - | 4.99 | 155,355 |
| Capitals of Oceania Quiz | 0 | - | 4.98 | 186,068 |
| Asia Capitals Quiz | 0 | - | 4.97 | 503,043 |
| Biggest Cities in China | 0 | - | 4.46 | 118,537 |
| Summer Olympics Host Cities | 0 | - | 4.97 | 161,189 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 39,107 |
| Biggest Cities in Germany | 0 | - | 4.94 | 227,104 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,492 |
| Capitals in their Native Languages | 0 | - | 4.93 | 106,598 |
| Second Biggest Cities Quiz | 0 | - | 4.19 | 36,632 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 135,097 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,956 |
| Biggest Cities in Louisiana | 0 | - | 3.98 | 16,372 |
| Biggest Cities in Colorado | 0 | - | 3.97 | 27,127 |
| Biggest Cities in Arizona | 0 | - | 4.24 | 24,831 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,353 |
| Biggest Cities in Illinois | 0 | - | 4.30 | 21,546 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,851 |
| Biggest Cities in Wisconsin | 0 | - | 4.35 | 20,621 |
| Biggest Cities in Georgia | 0 | - | 3.72 | 19,412 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,212 |
| Biggest Cities in Missouri | 0 | - | 4.18 | 14,224 |
| Biggest Cities in Oregon | 0 | - | 4.02 | 16,727 |
| Biggest Cities in Alaska | 0 | - | 4.39 | 16,863 |
| Biggest City by Time Zone | 0 | - | 4.74 | 49,838 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.42 | 78,260 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,919 |
| Biggest Cities in Switzerland | 0 | - | 4.56 | 38,371 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 110,097 |
| Biggest Cities in India | 0 | - | 4.52 | 54,982 |
| Biggest Cities in Asia | 0 | - | 4.87 | 86,091 |
| Biggest City by Island | 0 | - | 4.49 | 42,292 |
| Official Cities in the UK | 0 | - | 4.89 | 198,012 |
| Biggest Cities in History | 0 | - | 4.47 | 70,747 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 39,916 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.29 | 37,919 |
| Random Capital to Country | 0 | - | 4.99 | 2,078,478 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,470 |
| Random Country to Capital | 0 | - | 4.98 | 695,994 |
| Five Biggest Cities by Country | 0 | - | 4.77 | 122,660 |
| Coldest World Capitals | 0 | - | 4.97 | 105,374 |
| Europe Capital to Country | 0 | - | 4.99 | 199,308 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,307 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,282 |
| Biggest Coastal City by Country | 0 | - | 4.56 | 24,147 |
| Same Letter Country and Capital | 0 | - | 4.98 | 103,551 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.53 | 58,832 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 16,008 |
| Most Populous World Capitals | 0 | - | 4.89 | 128,330 |
| Biggest City by Region | 0 | - | 4.50 | 29,228 |
| Most Populous 2nd Cities | 0 | - | 4.53 | 39,337 |
| Biggest City by Region #2 | 0 | - | 4.44 | 19,925 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,496 |
| Biggest European Cities by Century | 0 | - | 4.96 | 105,335 |
| Capitals of Most Populated Countries | 0 | - | 4.97 | 107,795 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 224,978 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,908 |
| Biggest Cities by Latitude | 0 | - | 4.73 | 24,137 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,357 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 39,450 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,753 |
| Biggest Axis-Controlled Cities | 0 | - | 4.24 | 31,544 |
| Biggest Two-Word Cities | 0 | - | 4.73 | 34,042 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 58,397 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.74 | 55,641 |
| World Capitals by Map | 0 | - | 5.00 | 190,959 |
| Cities of Ireland | 0 | - | 4.40 | 35,730 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,903 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 146,482 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 73,262 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,424 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 118,431 |
| Cities of China (With Some Help) | 0 | - | 4.77 | 23,640 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 34,048 |
| Biggest Cities with Exceptions | 0 | - | 4.88 | 42,827 |
| Top 50 Countries by Population - In Order | 0 | - | 4.96 | 217,983 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.89 | 32,499 |
| Biggest Cities in the UK | 0 | - | 4.42 | 79,942 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 81,910 |
| World Capitals by Proximity | 0 | - | 4.91 | 263,795 |
| Biggest World Cities in 1850 | 0 | - | 4.53 | 47,653 |
| Megacities on a World Map | 0 | - | 4.97 | 200,009 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 174,897 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.78 | 48,902 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 95,610 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 73,779 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,758 |
| Ten Northernmost Megacities | 0 | - | 4.41 | 44,142 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 74,694 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 313,334 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 101,286 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,309 |
| U.S. State Capitals Map Quiz | 0 | - | 4.89 | 109,154 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.92 | 154,644 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 50,127 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.88 | 176,580 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.57 | 34,758 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.44 | 35,984 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 435,278 |
| Megacities on an Empty Map | 0 | - | 4.96 | 77,316 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 52,127 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 54,093 |
| All Cities in China with Population of 1 Million | 0 | - | 4.64 | 29,385 |
| Northernmost Major City by Country | 0 | - | 4.50 | 28,157 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.93 | 21,215 |
| All Cities in India with Population of 1 Million | 0 | - | 4.79 | 32,923 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 55,404 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.46 | 42,538 |
| Two Largest Cities by First Two Letters | 0 | - | 4.65 | 56,294 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,599 |
| Largest World Capitals with Exceptions | 0 | - | 4.67 | 37,866 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.72 | 62,156 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,346 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.53 | 43,419 |
| Biggest Cities Near a Border | 0 | - | 4.11 | 14,612 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,554 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 262,055 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.92 | 79,822 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,920 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,612 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.34 | 22,200 |
| Ten Southernmost Megacities | 0 | - | 4.80 | 40,595 |
| Biggest Cities by Trait #2 | 0 | - | 4.31 | 12,328 |
| Flags to Largest Cities | 0 | - | 4.55 | 23,134 |
| 500 Biggest US Cities | 0 | - | 4.88 | 76,241 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,477 |
| Saint Lucia Country Quiz | 0 | - | 4.57 | 13,907 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 54,468 |
| Random European Capital to Country | 0 | - | 4.97 | 128,912 |
| Random European Country to Capital | 0 | - | 4.90 | 104,057 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 32,018 |
