| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.92 | 709,109 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,340,613 |
| Biggest Cities in Texas | 0 | - | 4.21 | 95,241 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,943 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,834 |
| Biggest Cities in New Jersey | 0 | - | 3.97 | 22,137 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 288,207 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.55 | 89,960 |
| Biggest English-Speaking Cities | 0 | - | 4.39 | 127,837 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.84 | 99,194 |
| Biggest Cities by Language | 0 | - | 4.95 | 194,256 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,537 |
| Biggest Mediterranean Cities | 0 | - | 4.67 | 69,364 |
| Biggest Cities in Japan | 0 | - | 4.68 | 66,659 |
| Biggest US Cities by Decade | 0 | - | 4.92 | 133,012 |
| Biggest Cities in Russia | 0 | - | 4.48 | 68,862 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 41,759 |
| Biggest Cities in Poland | 0 | - | 4.73 | 40,254 |
| Countries that Border China | 0 | - | 4.97 | 212,294 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.38 | 10,696 |
| Biggest Cities Starting With A | 0 | - | 4.54 | 87,120 |
| Biggest Cities Starting With B | 0 | - | 4.38 | 121,067 |
| Biggest Cities Starting With D | 0 | - | 4.46 | 84,829 |
| Biggest Cities Starting With H | 0 | - | 4.48 | 75,799 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 85,100 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 98,875 |
| Biggest Cities Starting With P | 0 | - | 4.44 | 87,672 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 21,073 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.34 | 75,252 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.32 | 62,601 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 70,585 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 76,641 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.12 | 61,475 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.07 | 57,323 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 18,002 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.82 | 52,828 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,562 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,462 |
| Biggest U.S. Cities A-Z | 0 | - | 4.54 | 109,223 |
| Biggest World Cities A-Z | 0 | - | 4.39 | 167,145 |
| Biggest Cities in France | 0 | - | 4.52 | 161,777 |
| Biggest Cities in Spain | 0 | - | 4.65 | 133,075 |
| Biggest Cities in Italy | 0 | - | 4.63 | 189,320 |
| Biggest Cities in California | 0 | - | 4.30 | 120,005 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,514 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 572,190 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,913 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 84,200 |
| Biggest Cities in Ohio | 0 | - | 4.33 | 41,356 |
| Biggest Cities in The Netherlands | 0 | - | 4.42 | 36,261 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 29,896 |
| Biggest Cities in New York State | 0 | - | 4.20 | 51,279 |
| Biggest Cities in Europe | 0 | - | 4.64 | 404,133 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,549 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,281 |
| Biggest Cities in Canada | 0 | - | 4.57 | 108,891 |
| Biggest Cities in Sweden | 0 | - | 4.71 | 24,645 |
| Countries Bordering China Since 1914 | 0 | - | 4.94 | 70,307 |
| Asia Capitals Quiz | 0 | - | 4.97 | 502,637 |
| Biggest Cities in China | 0 | - | 4.42 | 118,415 |
| Asian Cities by Clue | 0 | - | 4.66 | 22,480 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 39,100 |
| Biggest Cities in Germany | 0 | - | 4.94 | 226,907 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,475 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 135,020 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,893 |
| Biggest Cities in Louisiana | 0 | - | 3.98 | 16,366 |
| Biggest Cities in Colorado | 0 | - | 3.97 | 27,125 |
| Biggest Cities in Arizona | 0 | - | 4.24 | 24,820 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,349 |
| Biggest Cities in Illinois | 0 | - | 4.30 | 21,509 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,834 |
| Biggest Cities in Wisconsin | 0 | - | 4.35 | 20,615 |
| Biggest Cities in Georgia | 0 | - | 3.72 | 19,399 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,200 |
| Biggest Cities in Missouri | 0 | - | 4.18 | 14,220 |
| Biggest Cities in Oregon | 0 | - | 4.02 | 16,719 |
| Biggest Cities in Alaska | 0 | - | 4.39 | 16,853 |
| Biggest City by Time Zone | 0 | - | 4.74 | 49,821 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.42 | 78,234 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,832 |
| Biggest Cities in Switzerland | 0 | - | 4.56 | 38,340 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 110,062 |
| Biggest Cities in India | 0 | - | 4.52 | 54,943 |
| Biggest Cities in Asia | 0 | - | 4.87 | 86,042 |
| Japanese Prefectures | 0 | - | 4.97 | 78,590 |
| Biggest City by Island | 0 | - | 4.49 | 42,269 |
| North Korea Country Quiz | 0 | - | 3.92 | 25,624 |
| Japan Country Quiz | 0 | - | 4.91 | 103,550 |
| Asia Capital to Country | 0 | - | 4.96 | 95,799 |
| Biggest Cities in History | 0 | - | 4.47 | 70,700 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 39,889 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,430 |
| Five Biggest Cities by Country | 0 | - | 4.76 | 122,571 |
| China Cities Map Quiz | 0 | - | 4.86 | 78,796 |
| Provinces of China Map Quiz | 0 | - | 4.95 | 75,361 |
| Provinces of China | 0 | - | 4.97 | 118,272 |
| South Korea Country Quiz | 0 | - | 4.53 | 62,517 |
| Hong Kong Facts | 0 | - | 4.37 | 20,837 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,273 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,246 |
| Countries of the Japanese Empire | 0 | - | 4.95 | 74,988 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.53 | 58,730 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 15,985 |
| Countries Closest to Japan | 0 | - | 4.95 | 102,216 |
| Most Populous World Capitals | 0 | - | 4.89 | 128,275 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,473 |
| Biggest European Cities by Century | 0 | - | 4.96 | 105,267 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 72,055 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,898 |
| Overseas Chinese Population | 0 | - | 4.57 | 35,791 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,290 |
| China A-Z | 0 | - | 4.64 | 51,712 |
| Japan A-Z | 0 | - | 4.41 | 33,153 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 39,426 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,713 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 58,353 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.73 | 55,585 |
| Cities of Ireland | 0 | - | 4.40 | 35,705 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,881 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 146,359 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 73,208 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,398 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 118,373 |
| Cities of China (With Some Help) | 0 | - | 4.77 | 23,592 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.90 | 34,013 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 42,796 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 127,227 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.89 | 32,476 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 40,283 |
| Biggest Cities in the UK | 0 | - | 4.42 | 79,867 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 81,842 |
| Asian Cities by Map #1 | 0 | - | 4.49 | 29,892 |
| Biggest World Cities in 1850 | 0 | - | 4.52 | 47,623 |
| Megacities on a World Map | 0 | - | 4.97 | 199,811 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 174,712 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.78 | 48,879 |
| Asian Capitals by Map | 0 | - | 4.98 | 30,064 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 95,528 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 73,726 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,725 |
| Ten Northernmost Megacities | 0 | - | 4.41 | 44,099 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.93 | 74,643 |
| Cities of the Pearl River Delta | 0 | - | 4.60 | 12,573 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 312,957 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,296 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 50,084 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.57 | 34,736 |
| World Capitals Closest to Bangkok | 0 | - | 4.94 | 34,384 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 434,861 |
| Megacities on an Empty Map | 0 | - | 4.96 | 77,251 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.86 | 41,298 |
| Middle East Capital Cities Quiz | 0 | - | 4.95 | 63,025 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 52,086 |
| Southeast Asian Cities by Map | 0 | - | 4.55 | 17,655 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 61,540 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 54,020 |
| All Cities in China with Population of 1 Million | 0 | - | 4.67 | 27,669 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.93 | 21,127 |
| All Cities in India with Population of 1 Million | 0 | - | 4.80 | 32,856 |
| Asian Coastal Capitals | 0 | - | 4.55 | 17,721 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 55,345 |
| Most-Visited Countries by Japanese | 0 | - | 4.94 | 44,883 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.46 | 42,476 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 49,643 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.91 | 76,070 |
| Two Largest Cities by First Two Letters | 0 | - | 4.65 | 56,252 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,578 |
| Chinese Geography on the Map | 0 | - | 4.53 | 18,716 |
| Most Guessed Asian Capitals | 0 | - | 4.43 | 40,911 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.71 | 62,123 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,324 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.53 | 43,391 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,522 |
| Flags of Countries that Border China | 0 | - | 4.91 | 69,479 |
| Closest Countries to North Korea | 0 | - | 4.94 | 94,043 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 261,826 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.93 | 79,728 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,884 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,595 |
| Which City in the Middle East? | 0 | - | 4.46 | 46,065 |
| China by Picture | 0 | - | 4.55 | 45,028 |
| Countries that Visit Japan the Most | 0 | - | 4.90 | 60,796 |
| 500 Biggest US Cities | 0 | - | 4.88 | 76,116 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,466 |
| Saint Lucia Country Quiz | 0 | - | 4.57 | 13,895 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 54,408 |
| Random Asian Capital to Country | 0 | - | 4.97 | 63,171 |
| Random Asian Country to Capital | 0 | - | 4.92 | 64,627 |
| Countries that Beat China | 0 | - | 4.68 | 74,002 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 31,970 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.82 | 45,357 |
| North Korea... or South Korea? | 0 | - | 4.43 | 68,448 |
| Taiwan Country Quiz | 0 | - | 4.86 | 31,196 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 51,240 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 80,520 |
| China Multiple Choice | 0 | - | 4.42 | 32,224 |
| Asian Cities by Wikipedia Descriptions | 0 | - | 4.48 | 21,886 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.58 | 21,715 |
| Countries Closest to Taiwan | 0 | - | 4.86 | 67,558 |
