| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.93 | 707,830 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,338,056 |
| Biggest Cities in Texas | 0 | - | 4.20 | 94,958 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,912 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,733 |
| Biggest Cities in New Jersey | 0 | - | 3.97 | 22,097 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 287,828 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.55 | 89,859 |
| Biggest English-Speaking Cities | 0 | - | 4.39 | 127,763 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.84 | 99,106 |
| Biggest Cities by Language | 0 | - | 4.95 | 194,056 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,495 |
| Biggest Mediterranean Cities | 0 | - | 4.73 | 69,292 |
| Biggest Cities in Japan | 0 | - | 4.72 | 66,549 |
| Biggest US Cities by Decade | 0 | - | 4.92 | 132,836 |
| Biggest Cities in Russia | 0 | - | 4.49 | 68,777 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 41,655 |
| Biggest Cities in Poland | 0 | - | 4.73 | 40,166 |
| Countries that Border China | 0 | - | 4.97 | 212,019 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.38 | 10,663 |
| Biggest Cities Starting With A | 0 | - | 4.55 | 86,980 |
| Biggest Cities Starting With B | 0 | - | 4.38 | 120,900 |
| Biggest Cities Starting With D | 0 | - | 4.46 | 84,718 |
| Biggest Cities Starting With H | 0 | - | 4.48 | 75,470 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 84,963 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 98,704 |
| Biggest Cities Starting With P | 0 | - | 4.44 | 87,528 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 21,015 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.34 | 75,109 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.31 | 62,472 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 70,262 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 76,515 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.10 | 61,382 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.06 | 57,234 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 17,933 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.81 | 52,760 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,470 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,374 |
| Biggest U.S. Cities A-Z | 0 | - | 4.54 | 109,107 |
| Biggest World Cities A-Z | 0 | - | 4.38 | 166,935 |
| Biggest Cities in France | 0 | - | 4.52 | 161,474 |
| Biggest Cities in Spain | 0 | - | 4.64 | 132,824 |
| Biggest Cities in Italy | 0 | - | 4.63 | 188,981 |
| Biggest Cities in California | 0 | - | 4.30 | 119,870 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,443 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 571,219 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,867 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 84,117 |
| Biggest Cities in Ohio | 0 | - | 4.33 | 41,299 |
| Biggest Cities in The Netherlands | 0 | - | 4.42 | 33,702 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 29,867 |
| Biggest Cities in New York State | 0 | - | 4.20 | 51,219 |
| Biggest Cities in Europe | 0 | - | 4.63 | 403,616 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,507 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,254 |
| Biggest Cities in Canada | 0 | - | 4.57 | 108,771 |
| Biggest Cities in Sweden | 0 | - | 4.71 | 24,581 |
| Countries Bordering China Since 1914 | 0 | - | 4.94 | 70,134 |
| Asia Capitals Quiz | 0 | - | 4.97 | 501,711 |
| Biggest Cities in China | 0 | - | 4.43 | 118,220 |
| Asian Cities by Clue | 0 | - | 4.66 | 22,430 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 39,058 |
| Biggest Cities in Germany | 0 | - | 4.94 | 226,457 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,428 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 134,832 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,809 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 16,340 |
| Biggest Cities in Colorado | 0 | - | 3.97 | 27,087 |
| Biggest Cities in Arizona | 0 | - | 4.24 | 24,770 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,319 |
| Biggest Cities in Illinois | 0 | - | 4.30 | 21,473 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,783 |
| Biggest Cities in Wisconsin | 0 | - | 4.35 | 20,585 |
| Biggest Cities in Georgia | 0 | - | 3.72 | 19,381 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,168 |
| Biggest Cities in Missouri | 0 | - | 4.18 | 14,201 |
| Biggest Cities in Oregon | 0 | - | 4.02 | 16,694 |
| Biggest Cities in Alaska | 0 | - | 4.39 | 16,816 |
| Biggest City by Time Zone | 0 | - | 4.74 | 49,779 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.42 | 78,180 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,688 |
| Biggest Cities in Switzerland | 0 | - | 4.55 | 38,256 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 109,692 |
| Biggest Cities in India | 0 | - | 4.52 | 54,855 |
| Biggest Cities in Asia | 0 | - | 4.87 | 85,933 |
| Japanese Prefectures | 0 | - | 4.97 | 78,299 |
| Biggest City by Island | 0 | - | 4.49 | 42,216 |
| North Korea Country Quiz | 0 | - | 3.92 | 25,546 |
| Japan Country Quiz | 0 | - | 4.91 | 103,340 |
| Asia Capital to Country | 0 | - | 4.96 | 95,687 |
| Biggest Cities in History | 0 | - | 4.49 | 70,567 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 39,845 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,342 |
| Five Biggest Cities by Country | 0 | - | 4.76 | 122,396 |
| China Cities Map Quiz | 0 | - | 4.86 | 78,693 |
| Provinces of China Map Quiz | 0 | - | 4.95 | 75,225 |
| Provinces of China | 0 | - | 4.97 | 117,878 |
| South Korea Country Quiz | 0 | - | 4.53 | 62,398 |
| Hong Kong Facts | 0 | - | 4.37 | 20,801 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,211 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,184 |
| Countries of the Japanese Empire | 0 | - | 4.95 | 74,811 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.52 | 57,191 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 15,941 |
| Countries Closest to Japan | 0 | - | 4.95 | 102,032 |
| Most Populous World Capitals | 0 | - | 4.89 | 128,124 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,449 |
| Biggest European Cities by Century | 0 | - | 4.96 | 105,094 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 71,941 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,870 |
| Overseas Chinese Population | 0 | - | 4.57 | 35,715 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,193 |
| China A-Z | 0 | - | 4.64 | 51,597 |
| Japan A-Z | 0 | - | 4.41 | 33,092 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,635 |
| BTS Members (K-Pop) | 0 | - | 3.08 | 21,005 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 58,230 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.73 | 55,490 |
| Cities of Ireland | 0 | - | 4.40 | 35,657 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,839 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 146,075 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 73,090 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,341 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 118,200 |
| Cities of China (With Some Help) | 0 | - | 4.77 | 23,540 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.90 | 33,927 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 42,731 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 127,030 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.89 | 32,428 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 40,162 |
| Biggest Cities in the UK | 0 | - | 4.42 | 79,734 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 81,720 |
| Asian Cities by Map #1 | 0 | - | 4.49 | 29,851 |
| Biggest World Cities in 1850 | 0 | - | 4.52 | 47,549 |
| Megacities on a World Map | 0 | - | 4.97 | 199,560 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 173,805 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.78 | 48,822 |
| Asian Capitals by Map | 0 | - | 4.98 | 29,652 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 95,376 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 73,592 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,667 |
| Ten Northernmost Megacities | 0 | - | 4.41 | 44,064 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.93 | 74,539 |
| Cities of the Pearl River Delta | 0 | - | 4.60 | 12,537 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 311,674 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,265 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 50,010 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.57 | 34,682 |
| World Capitals Closest to Bangkok | 0 | - | 4.94 | 34,322 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 434,080 |
| Megacities on an Empty Map | 0 | - | 4.96 | 77,118 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.86 | 41,244 |
| Middle East Capital Cities Quiz | 0 | - | 4.95 | 62,892 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 51,972 |
| Southeast Asian Cities by Map | 0 | - | 4.55 | 17,611 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 61,447 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 53,846 |
| All Cities in China with Population of 1 Million | 0 | - | 4.66 | 27,552 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.93 | 20,937 |
| All Cities in India with Population of 1 Million | 0 | - | 4.80 | 32,702 |
| Asian Coastal Capitals | 0 | - | 4.55 | 17,688 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 55,222 |
| Most-Visited Countries by Japanese | 0 | - | 4.94 | 44,770 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.46 | 42,405 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 49,546 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.91 | 75,975 |
| Two Largest Cities by First Two Letters | 0 | - | 4.65 | 56,177 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,526 |
| Chinese Geography on the Map | 0 | - | 4.53 | 18,664 |
| Most Guessed Asian Capitals | 0 | - | 4.43 | 40,844 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.71 | 62,032 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,256 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.53 | 43,342 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,476 |
| Flags of Countries that Border China | 0 | - | 4.91 | 69,351 |
| Closest Countries to North Korea | 0 | - | 4.94 | 93,620 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 261,392 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.93 | 79,556 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,814 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,564 |
| Which City in the Middle East? | 0 | - | 4.46 | 46,011 |
| China by Picture | 0 | - | 4.53 | 44,901 |
| Countries that Visit Japan the Most | 0 | - | 4.89 | 60,679 |
| 500 Biggest US Cities | 0 | - | 4.88 | 75,823 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,443 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 13,858 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 54,268 |
| Random Asian Capital to Country | 0 | - | 4.97 | 63,055 |
| Random Asian Country to Capital | 0 | - | 4.92 | 64,505 |
| Countries that Beat China | 0 | - | 4.68 | 73,892 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 31,858 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.82 | 45,181 |
| North Korea... or South Korea? | 0 | - | 4.43 | 67,200 |
| Taiwan Country Quiz | 0 | - | 4.86 | 31,104 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 50,990 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 80,365 |
| China Multiple Choice | 0 | - | 4.42 | 32,183 |
| Asian Cities by Wikipedia Descriptions | 0 | - | 4.48 | 21,858 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.58 | 21,673 |
| Countries Closest to Taiwan | 0 | - | 4.86 | 67,467 |
