| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.91 | 746,475 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,411,792 |
| Biggest Cities in Texas | 0 | - | 4.24 | 105,771 |
| Biggest Cities in Washington State | 0 | - | 4.38 | 26,327 |
| Biggest Urban Areas in the UK | 0 | - | 4.38 | 160,677 |
| Biggest Cities in New Jersey | 0 | - | 4.04 | 23,367 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 301,495 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.61 | 93,295 |
| Biggest English-Speaking Cities | 0 | - | 4.38 | 130,621 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.84 | 102,654 |
| Biggest Cities by Language | 0 | - | 4.95 | 201,666 |
| Biggest Nordic Cities | 0 | - | 4.36 | 57,954 |
| Biggest Mediterranean Cities | 0 | - | 4.60 | 71,584 |
| Biggest Cities in Japan | 0 | - | 4.68 | 70,068 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 145,917 |
| Biggest Cities in Russia | 0 | - | 4.48 | 71,783 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 44,688 |
| Biggest Cities in Poland | 0 | - | 4.55 | 43,317 |
| Countries that Border China | 0 | - | 4.96 | 219,790 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.39 | 11,680 |
| Biggest Cities Starting With A | 0 | - | 4.50 | 104,317 |
| Biggest Cities Starting With B | 0 | - | 4.29 | 138,628 |
| Biggest Cities Starting With D | 0 | - | 4.48 | 100,611 |
| Biggest Cities Starting With H | 0 | - | 4.53 | 90,054 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 102,276 |
| Biggest Cities Starting With M | 0 | - | 4.52 | 119,458 |
| Biggest Cities Starting With P | 0 | - | 4.48 | 106,461 |
| Biggest Cities Starting With S | 0 | - | 4.36 | 106,853 |
| Biggest Cities in Mexico | 0 | - | 4.54 | 22,900 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.35 | 78,071 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.34 | 65,103 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.21 | 73,126 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.11 | 79,100 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.09 | 63,120 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.12 | 58,915 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.12 | 19,268 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.84 | 54,058 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.17 | 57,203 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.26 | 64,309 |
| Biggest U.S. Cities A-Z | 0 | - | 4.52 | 114,863 |
| Biggest World Cities A-Z | 0 | - | 4.38 | 173,898 |
| Biggest Cities in France | 0 | - | 4.45 | 171,889 |
| Biggest Cities in Spain | 0 | - | 4.60 | 140,696 |
| Biggest Cities in Italy | 0 | - | 4.60 | 199,849 |
| Biggest Cities in California | 0 | - | 4.33 | 124,150 |
| Biggest Cities in Florida | 0 | - | 4.18 | 63,860 |
| Biggest Cities in the World Quiz | 0 | - | 4.80 | 604,066 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 21,409 |
| Biggest Cities in Africa Quiz | 0 | - | 4.89 | 87,225 |
| Biggest Cities in Ohio | 0 | - | 4.35 | 43,331 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 45,413 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 31,067 |
| Biggest Cities in New York State | 0 | - | 4.24 | 53,153 |
| Biggest Cities in Europe | 0 | - | 4.50 | 422,801 |
| Biggest Cities in Indiana | 0 | - | 4.24 | 18,543 |
| Biggest Cities in Tennessee | 0 | - | 4.23 | 18,175 |
| Biggest Cities in Canada | 0 | - | 4.60 | 113,227 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 33,578 |
| Countries Bordering China Since 1914 | 0 | - | 4.91 | 79,505 |
| Asia Capitals Quiz | 0 | - | 4.98 | 535,167 |
| Biggest Cities in China | 0 | - | 4.42 | 125,487 |
| Asian Cities by Clue | 0 | - | 4.63 | 23,691 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 40,554 |
| Biggest Cities in Germany | 0 | - | 4.94 | 240,187 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.39 | 57,301 |
| Biggest City in Each U.S. State | 0 | - | 4.83 | 140,674 |
| Biggest City in Every Country | 0 | - | 4.97 | 71,308 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 17,229 |
| Biggest Cities in Colorado | 0 | - | 4.01 | 28,378 |
| Biggest Cities in Arizona | 0 | - | 4.20 | 26,490 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 21,488 |
| Biggest Cities in Illinois | 0 | - | 4.31 | 22,885 |
| Biggest Cities in North Carolina | 0 | - | 4.53 | 29,857 |
| Biggest Cities in Wisconsin | 0 | - | 4.42 | 21,817 |
| Biggest Cities in Georgia | 0 | - | 3.81 | 20,403 |
| Biggest Cities in Massachusetts | 0 | - | 4.33 | 25,664 |
| Biggest Cities in Missouri | 0 | - | 4.17 | 14,986 |
| Biggest Cities in Oregon | 0 | - | 4.05 | 17,571 |
| Biggest Cities in Alaska | 0 | - | 4.26 | 22,128 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.45 | 94,579 |
| Biggest English Cities by Century | 0 | - | 4.92 | 91,364 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 40,659 |
| Biggest European Cities by Letter | 0 | - | 4.47 | 113,459 |
| Biggest Cities in India | 0 | - | 4.60 | 57,964 |
| Biggest Cities in Asia | 0 | - | 4.91 | 89,407 |
| Japanese Prefectures | 0 | - | 4.97 | 89,180 |
| North Korea Country Quiz | 0 | - | 3.95 | 27,305 |
| Japan Country Quiz | 0 | - | 4.90 | 109,329 |
| Asia Capital to Country | 0 | - | 4.95 | 99,473 |
| Biggest Cities in History | 0 | - | 4.46 | 74,312 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.94 | 61,547 |
| Five Biggest Cities by Country | 0 | - | 4.60 | 141,917 |
| China Cities Map Quiz | 0 | - | 4.82 | 82,264 |
| Provinces of China Map Quiz | 0 | - | 4.95 | 78,466 |
| Provinces of China | 0 | - | 4.97 | 131,059 |
| South Korea Country Quiz | 0 | - | 4.52 | 65,900 |
| Hong Kong Facts | 0 | - | 4.39 | 21,716 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 58,359 |
| Countries of the Japanese Empire | 0 | - | 4.96 | 80,084 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.50 | 60,594 |
| Biggest Cities in Portugal | 0 | - | 4.36 | 17,228 |
| Countries Closest to Japan | 0 | - | 4.94 | 106,961 |
| Most Populous World Capitals | 0 | - | 4.89 | 132,425 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 26,788 |
| Biggest European Cities by Century | 0 | - | 4.95 | 110,971 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 75,178 |
| U.S. Cities by Hispanic Population | 0 | - | 4.23 | 23,531 |
| Overseas Chinese Population | 0 | - | 4.53 | 37,867 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.93 | 63,840 |
| China A-Z | 0 | - | 4.52 | 54,971 |
| Japan A-Z | 0 | - | 4.45 | 35,489 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.60 | 61,148 |
| BTS Members (K-Pop) | 0 | - | 3.07 | 22,161 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 62,345 |
| Cities of Ireland | 0 | - | 4.42 | 37,127 |
| Four Main Islands of Japan | 0 | - | 4.46 | 22,116 |
| Largest Cities in Alexander's Empire | 0 | - | 4.47 | 37,011 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 153,830 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 84,763 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.79 | 48,175 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.92 | 123,689 |
| Cities of China (With Some Help) | 0 | - | 4.84 | 25,624 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.90 | 39,838 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 45,120 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.95 | 134,043 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.82 | 41,394 |
| Asian Capitals - Map Quiz | 0 | - | 4.96 | 44,518 |
| Biggest Cities in the UK | 0 | - | 4.42 | 84,679 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.93 | 86,314 |
| Asian Cities by Map #1 | 0 | - | 4.49 | 37,291 |
| Megacities on a World Map | 0 | - | 4.98 | 207,268 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 183,486 |
| Asian Capitals by Map | 0 | - | 4.98 | 37,364 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 100,449 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 77,653 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.79 | 40,780 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.96 | 84,764 |
| Cities of the Pearl River Delta | 0 | - | 4.60 | 13,536 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 336,847 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.30 | 33,978 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 52,145 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.47 | 36,168 |
| World Capitals Closest to Bangkok | 0 | - | 4.93 | 36,134 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 471,561 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.15 | 73,111 |
| Megacities on an Empty Map | 0 | - | 4.96 | 81,148 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.87 | 43,326 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.79 | 4,250 |
| Middle East Capital Cities Quiz | 0 | - | 4.95 | 66,415 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 55,687 |
| Southeast Asian Cities by Map | 0 | - | 4.62 | 23,436 |
| Biggest Mongol Empire Countries | 0 | - | 4.90 | 63,702 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 57,604 |
| All Cities in China with Population of 1 Million | 0 | - | 4.54 | 33,396 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 24,259 |
| All Cities in India with Population of 1 Million | 0 | - | 4.82 | 35,982 |
| Asian Coastal Capitals | 0 | - | 4.53 | 18,933 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 58,699 |
| Most-Visited Countries by Japanese | 0 | - | 4.94 | 48,565 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 46,411 |
| Biggest Trading Partners - China | 0 | - | 4.97 | 64,757 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.91 | 79,099 |
| U.S. States by Second Most Populous City | 0 | - | 4.41 | 37,822 |
| Chinese Geography on the Map | 0 | - | 4.54 | 20,240 |
| Most Guessed Asian Capitals | 0 | - | 4.48 | 59,818 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.70 | 64,735 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.47 | 56,163 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.61 | 53,209 |
| Biggest Cities in Deserts | 0 | - | 4.93 | 39,476 |
| Flags of Countries that Border China | 0 | - | 4.91 | 73,856 |
| Closest Countries to North Korea | 0 | - | 4.90 | 97,671 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 277,769 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 86,230 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 64,845 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 31,947 |
| Which City in Asia? | 0 | - | 4.44 | 37,515 |
| Which City in the Middle East? | 0 | - | 4.47 | 47,870 |
| China by Picture | 0 | - | 4.49 | 48,588 |
| Countries that Visit Japan the Most | 0 | - | 4.92 | 64,318 |
| 500 Biggest US Cities | 0 | - | 4.85 | 84,007 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 27,373 |
| Saint Lucia Country Quiz | 0 | - | 4.62 | 14,864 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 65,920 |
| Random Asian Capital to Country | 0 | - | 4.95 | 78,716 |
| Random Asian Country to Capital | 0 | - | 4.91 | 68,790 |
| Countries that Beat China | 0 | - | 4.60 | 91,589 |
| Biggest Cities in France - Extreme | 0 | - | 4.85 | 36,124 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.71 | 51,245 |
| North Korea... or South Korea? | 0 | - | 4.45 | 71,104 |
| Random Asian City to Country | 0 | - | 4.42 | 32,154 |
| Taiwan Country Quiz | 0 | - | 4.80 | 36,585 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.84 | 62,235 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 85,025 |
| China Multiple Choice | 0 | - | 4.44 | 33,480 |
| Asian Cities by Wikipedia Descriptions | 0 | - | 4.56 | 22,949 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.56 | 22,890 |
| Countries Closest to Taiwan | 0 | - | 4.79 | 70,161 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.56 | 31,043 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.85 | 54,520 |
| Random Asian Capitals on a Map | 0 | - | 4.82 | 40,889 |
