| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.91 | 746,480 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,411,827 |
| Biggest Cities in Texas | 0 | - | 4.24 | 105,776 |
| Biggest Cities in Washington State | 0 | - | 4.38 | 26,329 |
| Biggest Urban Areas in the UK | 0 | - | 4.38 | 160,678 |
| Biggest Cities in New Jersey | 0 | - | 4.04 | 23,367 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 301,504 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.61 | 93,296 |
| Biggest English-Speaking Cities | 0 | - | 4.38 | 130,623 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.84 | 102,656 |
| Biggest Cities by Language | 0 | - | 4.95 | 201,671 |
| Biggest Nordic Cities | 0 | - | 4.36 | 57,957 |
| Biggest Mediterranean Cities | 0 | - | 4.60 | 71,584 |
| Biggest Cities in Japan | 0 | - | 4.68 | 70,069 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 145,918 |
| 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 | 219,799 |
| 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 | 138,632 |
| Biggest Cities Starting With D | 0 | - | 4.48 | 100,612 |
| Biggest Cities Starting With H | 0 | - | 4.53 | 90,058 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 102,279 |
| Biggest Cities Starting With M | 0 | - | 4.52 | 119,463 |
| Biggest Cities Starting With P | 0 | - | 4.48 | 106,465 |
| Biggest Cities Starting With S | 0 | - | 4.36 | 106,864 |
| Biggest Cities in Mexico | 0 | - | 4.54 | 22,902 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.35 | 78,072 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.34 | 65,105 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.21 | 73,127 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.11 | 79,102 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.09 | 63,121 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.12 | 58,917 |
| 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 | 114,864 |
| Biggest World Cities A-Z | 0 | - | 4.38 | 173,902 |
| Biggest Cities in France | 0 | - | 4.45 | 171,896 |
| Biggest Cities in Spain | 0 | - | 4.60 | 140,701 |
| Biggest Cities in Italy | 0 | - | 4.60 | 199,855 |
| Biggest Cities in California | 0 | - | 4.33 | 124,153 |
| Biggest Cities in Florida | 0 | - | 4.18 | 63,862 |
| Biggest Cities in the World Quiz | 0 | - | 4.80 | 604,078 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 21,409 |
| Biggest Cities in Africa Quiz | 0 | - | 4.89 | 87,227 |
| Biggest Cities in Ohio | 0 | - | 4.35 | 43,333 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 45,413 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 31,068 |
| Biggest Cities in New York State | 0 | - | 4.24 | 53,153 |
| Biggest Cities in Europe | 0 | - | 4.50 | 422,807 |
| 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 | 113,231 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 33,579 |
| Countries Bordering China Since 1914 | 0 | - | 4.91 | 79,598 |
| Asia Capitals Quiz | 0 | - | 4.98 | 535,202 |
| Biggest Cities in China | 0 | - | 4.42 | 125,490 |
| Asian Cities by Clue | 0 | - | 4.63 | 23,692 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 40,555 |
| Biggest Cities in Germany | 0 | - | 4.94 | 240,194 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.39 | 57,301 |
| Biggest City in Each U.S. State | 0 | - | 4.83 | 140,677 |
| Biggest City in Every Country | 0 | - | 4.97 | 71,309 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 17,230 |
| Biggest Cities in Colorado | 0 | - | 4.01 | 28,380 |
| Biggest Cities in Arizona | 0 | - | 4.20 | 26,491 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 21,488 |
| Biggest Cities in Illinois | 0 | - | 4.31 | 22,887 |
| Biggest Cities in North Carolina | 0 | - | 4.53 | 29,861 |
| 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 | 17,572 |
| 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 | 91,366 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 40,661 |
| Biggest European Cities by Letter | 0 | - | 4.47 | 113,461 |
| Biggest Cities in India | 0 | - | 4.60 | 57,967 |
| Biggest Cities in Asia | 0 | - | 4.91 | 89,408 |
| Japanese Prefectures | 0 | - | 4.97 | 89,195 |
| North Korea Country Quiz | 0 | - | 3.95 | 27,305 |
| Japan Country Quiz | 0 | - | 4.90 | 109,340 |
| Asia Capital to Country | 0 | - | 4.95 | 99,474 |
| Biggest Cities in History | 0 | - | 4.46 | 74,313 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.94 | 61,548 |
| Five Biggest Cities by Country | 0 | - | 4.60 | 141,918 |
| China Cities Map Quiz | 0 | - | 4.82 | 82,266 |
| Provinces of China Map Quiz | 0 | - | 4.95 | 78,469 |
| Provinces of China | 0 | - | 4.97 | 131,076 |
| South Korea Country Quiz | 0 | - | 4.52 | 65,901 |
| 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 | 80,086 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.50 | 60,595 |
| Biggest Cities in Portugal | 0 | - | 4.36 | 17,228 |
| Countries Closest to Japan | 0 | - | 4.94 | 106,965 |
| Most Populous World Capitals | 0 | - | 4.89 | 132,426 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 26,788 |
| Biggest European Cities by Century | 0 | - | 4.95 | 110,972 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.92 | 75,182 |
| U.S. Cities by Hispanic Population | 0 | - | 4.23 | 23,531 |
| Overseas Chinese Population | 0 | - | 4.53 | 37,868 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.93 | 63,843 |
| China A-Z | 0 | - | 4.52 | 54,974 |
| Japan A-Z | 0 | - | 4.45 | 35,491 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.60 | 61,149 |
| BTS Members (K-Pop) | 0 | - | 3.07 | 22,162 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 62,347 |
| Cities of Ireland | 0 | - | 4.42 | 37,128 |
| Four Main Islands of Japan | 0 | - | 4.46 | 22,117 |
| Largest Cities in Alexander's Empire | 0 | - | 4.47 | 37,011 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 153,863 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 84,767 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.79 | 48,177 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.92 | 123,689 |
| Cities of China (With Some Help) | 0 | - | 4.84 | 25,626 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.90 | 39,841 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 45,124 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.95 | 134,050 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.82 | 41,395 |
| Asian Capitals - Map Quiz | 0 | - | 4.96 | 44,519 |
| Biggest Cities in the UK | 0 | - | 4.42 | 84,680 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.93 | 86,315 |
| Asian Cities by Map #1 | 0 | - | 4.49 | 37,292 |
| Megacities on a World Map | 0 | - | 4.98 | 207,275 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 183,494 |
| Asian Capitals by Map | 0 | - | 4.98 | 37,368 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 100,453 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 77,655 |
| 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 | 336,860 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.30 | 33,980 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 52,146 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.47 | 36,169 |
| World Capitals Closest to Bangkok | 0 | - | 4.93 | 36,134 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 471,581 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.15 | 73,115 |
| Megacities on an Empty Map | 0 | - | 4.96 | 81,151 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.87 | 43,329 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.79 | 4,255 |
| Middle East Capital Cities Quiz | 0 | - | 4.95 | 66,418 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 55,688 |
| Southeast Asian Cities by Map | 0 | - | 4.62 | 23,438 |
| Biggest Mongol Empire Countries | 0 | - | 4.90 | 63,705 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 57,604 |
| All Cities in China with Population of 1 Million | 0 | - | 4.54 | 33,402 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 24,260 |
| All Cities in India with Population of 1 Million | 0 | - | 4.82 | 35,984 |
| Asian Coastal Capitals | 0 | - | 4.53 | 18,934 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 58,699 |
| Most-Visited Countries by Japanese | 0 | - | 4.94 | 48,569 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 46,415 |
| Biggest Trading Partners - China | 0 | - | 4.97 | 64,760 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.91 | 79,100 |
| U.S. States by Second Most Populous City | 0 | - | 4.41 | 37,824 |
| Chinese Geography on the Map | 0 | - | 4.54 | 20,242 |
| Most Guessed Asian Capitals | 0 | - | 4.48 | 59,820 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.70 | 64,735 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.47 | 56,164 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.61 | 53,211 |
| Biggest Cities in Deserts | 0 | - | 4.93 | 39,477 |
| Flags of Countries that Border China | 0 | - | 4.91 | 73,860 |
| Closest Countries to North Korea | 0 | - | 4.90 | 97,675 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 277,781 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 86,233 |
| 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 | 37,516 |
| Which City in the Middle East? | 0 | - | 4.47 | 47,870 |
| China by Picture | 0 | - | 4.49 | 48,592 |
| Countries that Visit Japan the Most | 0 | - | 4.92 | 64,318 |
| 500 Biggest US Cities | 0 | - | 4.85 | 84,014 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 27,374 |
| Saint Lucia Country Quiz | 0 | - | 4.62 | 14,864 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 65,942 |
| Random Asian Capital to Country | 0 | - | 4.95 | 78,721 |
| Random Asian Country to Capital | 0 | - | 4.91 | 68,792 |
| Countries that Beat China | 0 | - | 4.60 | 91,593 |
| Biggest Cities in France - Extreme | 0 | - | 4.85 | 36,126 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.71 | 51,245 |
| North Korea... or South Korea? | 0 | - | 4.45 | 71,105 |
| Random Asian City to Country | 0 | - | 4.42 | 32,157 |
| Taiwan Country Quiz | 0 | - | 4.80 | 36,585 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.84 | 62,238 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 85,029 |
| 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 | 22,891 |
| 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 | 40,890 |
