| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.93 | 709,605 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,341,392 |
| World Capitals Quiz | 0 | - | 5.00 | 3,928,494 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,183,384 |
| South America Capitals Quiz | 0 | - | 4.99 | 361,810 |
| Biggest Cities in Texas | 0 | - | 4.21 | 95,273 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,953 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,169,130 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,869 |
| Biggest Cities in New Jersey | 0 | - | 3.97 | 22,148 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 288,365 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.55 | 90,013 |
| Biggest English-Speaking Cities | 0 | - | 4.39 | 127,862 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.84 | 99,231 |
| Biggest Cities by Language | 0 | - | 4.95 | 194,338 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,560 |
| Biggest Mediterranean Cities | 0 | - | 4.67 | 69,390 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 307,039 |
| Jewish Cities Quiz | 0 | - | 4.32 | 55,832 |
| Biggest Cities in Japan | 0 | - | 4.68 | 66,726 |
| Biggest US Cities by Decade | 0 | - | 4.92 | 133,059 |
| Biggest Cities in Russia | 0 | - | 4.49 | 68,883 |
| Fastest Growing U.S. Cities | 0 | - | 4.26 | 58,201 |
| Africa Capitals Quiz | 0 | - | 4.99 | 529,544 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 107,528 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 41,792 |
| Biggest Cities in Poland | 0 | - | 4.72 | 40,289 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.38 | 10,704 |
| Biggest Cities Starting With A | 0 | - | 4.55 | 87,160 |
| Biggest Cities Starting With B | 0 | - | 4.38 | 121,111 |
| Biggest Cities Starting With C | 0 | - | 3.99 | 79,427 |
| Biggest Cities Starting With D | 0 | - | 4.46 | 84,859 |
| Biggest Cities Starting With H | 0 | - | 4.48 | 75,826 |
| Biggest Cities Starting With K | 0 | - | 4.35 | 63,521 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 85,141 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 98,934 |
| Biggest Cities Starting With P | 0 | - | 4.44 | 87,717 |
| Biggest Cities Starting With S | 0 | - | 4.34 | 92,901 |
| Biggest Cities Starting With T | 0 | - | 4.25 | 93,455 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 21,086 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.34 | 75,282 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.32 | 62,626 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 70,609 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 76,666 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.12 | 61,497 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.07 | 57,343 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 18,015 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.82 | 52,839 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,582 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,486 |
| Biggest U.S. Cities A-Z | 0 | - | 4.55 | 109,304 |
| Biggest World Cities A-Z | 0 | - | 4.39 | 167,243 |
| Biggest Cities in France | 0 | - | 4.53 | 161,902 |
| Biggest Cities in Spain | 0 | - | 4.66 | 133,191 |
| Biggest Cities in Italy | 0 | - | 4.64 | 189,472 |
| Biggest Cities in California | 0 | - | 4.30 | 120,033 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,534 |
| Biggest Cities in the World Quiz | 0 | - | 4.82 | 572,658 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,920 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 84,235 |
| Biggest Cities in Ohio | 0 | - | 4.33 | 41,367 |
| Biggest Cities in The Netherlands | 0 | - | 4.43 | 36,470 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 29,903 |
| Biggest Cities in New York State | 0 | - | 4.20 | 51,286 |
| Biggest Cities in Europe | 0 | - | 4.64 | 404,348 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,556 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,293 |
| Biggest Cities in Canada | 0 | - | 4.57 | 108,954 |
| Biggest Cities in Sweden | 0 | - | 4.71 | 24,670 |
| North America Capitals Quiz | 0 | - | 4.99 | 155,330 |
| Capitals of Oceania Quiz | 0 | - | 4.98 | 186,027 |
| Asia Capitals Quiz | 0 | - | 4.97 | 502,953 |
| Biggest Cities in China | 0 | - | 4.46 | 118,501 |
| Summer Olympics Host Cities | 0 | - | 4.97 | 161,174 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 39,107 |
| Biggest Cities in Germany | 0 | - | 4.94 | 227,071 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,487 |
| Capitals in their Native Languages | 0 | - | 4.93 | 106,589 |
| Second Biggest Cities Quiz | 0 | - | 4.19 | 36,630 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 135,087 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,940 |
| 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 | 24,828 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,353 |
| Biggest Cities in Illinois | 0 | - | 4.30 | 21,544 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,850 |
| Biggest Cities in Wisconsin | 0 | - | 4.35 | 20,621 |
| Biggest Cities in Georgia | 0 | - | 3.72 | 19,411 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,208 |
| 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 | 16,860 |
| Biggest City by Time Zone | 0 | - | 4.74 | 49,835 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.42 | 78,251 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,899 |
| Biggest Cities in Switzerland | 0 | - | 4.56 | 38,364 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 110,090 |
| Biggest Cities in India | 0 | - | 4.52 | 54,974 |
| Biggest Cities in Asia | 0 | - | 4.87 | 86,078 |
| Biggest City by Island | 0 | - | 4.49 | 42,288 |
| Official Cities in the UK | 0 | - | 4.89 | 197,970 |
| Biggest Cities in History | 0 | - | 4.47 | 70,739 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 39,911 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.29 | 37,917 |
| Random Capital to Country | 0 | - | 4.99 | 2,078,180 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,459 |
| Random Country to Capital | 0 | - | 4.98 | 695,903 |
| Five Biggest Cities by Country | 0 | - | 4.77 | 122,642 |
| Coldest World Capitals | 0 | - | 4.97 | 105,370 |
| Europe Capital to Country | 0 | - | 4.99 | 199,279 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,299 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,278 |
| Biggest Coastal City by Country | 0 | - | 4.56 | 24,139 |
| Same Letter Country and Capital | 0 | - | 4.98 | 103,539 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.53 | 58,817 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 16,003 |
| Most Populous World Capitals | 0 | - | 4.89 | 128,312 |
| Biggest City by Region | 0 | - | 4.50 | 29,223 |
| Most Populous 2nd Cities | 0 | - | 4.53 | 39,331 |
| Biggest City by Region #2 | 0 | - | 4.44 | 19,920 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,494 |
| Biggest European Cities by Century | 0 | - | 4.96 | 105,318 |
| Capitals of Most Populated Countries | 0 | - | 4.97 | 107,782 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 224,942 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,907 |
| Biggest Cities by Latitude | 0 | - | 4.73 | 24,136 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,340 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 39,449 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,745 |
| Biggest Axis-Controlled Cities | 0 | - | 4.24 | 31,542 |
| Biggest Two-Word Cities | 0 | - | 4.73 | 34,036 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 58,389 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.74 | 55,629 |
| World Capitals by Map | 0 | - | 5.00 | 190,914 |
| Cities of Ireland | 0 | - | 4.40 | 35,725 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,897 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 146,460 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 73,253 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,419 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 118,422 |
| Cities of China (With Some Help) | 0 | - | 4.77 | 23,633 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 34,045 |
| Biggest Cities with Exceptions | 0 | - | 4.88 | 42,822 |
| Top 50 Countries by Population - In Order | 0 | - | 4.96 | 217,952 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.89 | 32,497 |
| Biggest Cities in the UK | 0 | - | 4.42 | 79,932 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 81,896 |
| World Capitals by Proximity | 0 | - | 4.91 | 263,761 |
| Biggest World Cities in 1850 | 0 | - | 4.53 | 47,641 |
| Megacities on a World Map | 0 | - | 4.97 | 199,990 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 174,861 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.78 | 48,897 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 95,590 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 73,771 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,751 |
| Ten Northernmost Megacities | 0 | - | 4.41 | 44,138 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 74,686 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 313,275 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 101,271 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,307 |
| U.S. State Capitals Map Quiz | 0 | - | 4.89 | 109,137 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.92 | 154,616 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 50,117 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.88 | 176,557 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.57 | 34,751 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.44 | 35,974 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 435,191 |
| Megacities on an Empty Map | 0 | - | 4.96 | 77,308 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 52,117 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 54,083 |
| All Cities in China with Population of 1 Million | 0 | - | 4.64 | 29,049 |
| Northernmost Major City by Country | 0 | - | 4.50 | 28,154 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.93 | 21,206 |
| All Cities in India with Population of 1 Million | 0 | - | 4.79 | 32,910 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 55,394 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.46 | 42,527 |
| Two Largest Cities by First Two Letters | 0 | - | 4.65 | 56,284 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,595 |
| Largest World Capitals with Exceptions | 0 | - | 4.67 | 37,857 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.72 | 62,151 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,342 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.53 | 43,412 |
| Biggest Cities Near a Border | 0 | - | 4.11 | 14,611 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,546 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 262,011 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.92 | 79,804 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,913 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,607 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.34 | 22,195 |
| Ten Southernmost Megacities | 0 | - | 4.80 | 39,990 |
| Biggest Cities by Trait #2 | 0 | - | 4.31 | 12,320 |
| Flags to Largest Cities | 0 | - | 4.55 | 23,122 |
| 500 Biggest US Cities | 0 | - | 4.88 | 76,223 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,474 |
| Saint Lucia Country Quiz | 0 | - | 4.57 | 13,905 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 54,460 |
| Random European Capital to Country | 0 | - | 4.97 | 128,876 |
| Random European Country to Capital | 0 | - | 4.90 | 104,046 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 32,008 |
