| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.92 | 708,471 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,339,344 |
| Chinese Zodiac Quiz | 0 | - | 4.73 | 111,546 |
| Biggest Cities in Texas | 0 | - | 4.20 | 94,997 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,927 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,793 |
| Biggest Cities in New Jersey | 0 | - | 3.97 | 22,120 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 288,012 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.55 | 89,910 |
| Biggest English-Speaking Cities | 0 | - | 4.39 | 127,811 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.84 | 99,149 |
| Biggest Cities by Language | 0 | - | 4.95 | 194,163 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,511 |
| Biggest Mediterranean Cities | 0 | - | 4.73 | 69,331 |
| Biggest Cities in Japan | 0 | - | 4.68 | 66,609 |
| Biggest US Cities by Decade | 0 | - | 4.92 | 132,927 |
| Biggest Cities in Russia | 0 | - | 4.49 | 68,814 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 41,717 |
| Biggest Cities in Poland | 0 | - | 4.73 | 40,197 |
| Countries that Border China | 0 | - | 4.97 | 212,134 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.38 | 10,677 |
| Biggest Cities Starting With A | 0 | - | 4.55 | 87,033 |
| Biggest Cities Starting With B | 0 | - | 4.38 | 120,969 |
| Biggest Cities Starting With D | 0 | - | 4.46 | 84,761 |
| Biggest Cities Starting With H | 0 | - | 4.48 | 75,517 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 85,016 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 98,780 |
| Biggest Cities Starting With P | 0 | - | 4.44 | 87,598 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 21,035 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.34 | 75,197 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.31 | 62,555 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 70,510 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 76,592 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.11 | 61,433 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.06 | 57,288 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 17,979 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.81 | 52,803 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,519 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,422 |
| Biggest U.S. Cities A-Z | 0 | - | 4.54 | 109,156 |
| Biggest World Cities A-Z | 0 | - | 4.39 | 167,018 |
| Biggest Cities in France | 0 | - | 4.52 | 161,645 |
| Biggest Cities in Spain | 0 | - | 4.65 | 132,943 |
| Biggest Cities in Italy | 0 | - | 4.63 | 189,139 |
| Biggest Cities in California | 0 | - | 4.30 | 119,925 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,465 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 571,710 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,889 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 84,156 |
| Biggest Cities in Ohio | 0 | - | 4.33 | 41,333 |
| Biggest Cities in The Netherlands | 0 | - | 4.44 | 35,672 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 29,877 |
| Biggest Cities in New York State | 0 | - | 4.20 | 51,243 |
| Biggest Cities in Europe | 0 | - | 4.63 | 403,865 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,526 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,273 |
| Biggest Cities in Canada | 0 | - | 4.57 | 108,830 |
| Biggest Cities in Sweden | 0 | - | 4.71 | 24,611 |
| Countries Bordering China Since 1914 | 0 | - | 4.94 | 70,219 |
| Asia Capitals Quiz | 0 | - | 4.97 | 502,109 |
| Biggest Cities in China | 0 | - | 4.43 | 118,300 |
| Asian Cities by Clue | 0 | - | 4.66 | 22,450 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 39,076 |
| Biggest Cities in Germany | 0 | - | 4.94 | 226,689 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,446 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 134,948 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,843 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 16,352 |
| Biggest Cities in Colorado | 0 | - | 3.97 | 27,102 |
| Biggest Cities in Arizona | 0 | - | 4.24 | 24,787 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,328 |
| Biggest Cities in Illinois | 0 | - | 4.30 | 21,491 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,809 |
| Biggest Cities in Wisconsin | 0 | - | 4.35 | 20,595 |
| Biggest Cities in Georgia | 0 | - | 3.72 | 19,384 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,181 |
| Biggest Cities in Missouri | 0 | - | 4.18 | 14,209 |
| Biggest Cities in Oregon | 0 | - | 4.02 | 16,706 |
| Biggest Cities in Alaska | 0 | - | 4.39 | 16,830 |
| Dynasties of China | 0 | - | 4.71 | 20,990 |
| Biggest City by Time Zone | 0 | - | 4.74 | 49,797 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.42 | 78,211 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,763 |
| Biggest Cities in Switzerland | 0 | - | 4.56 | 38,297 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 109,730 |
| Biggest Cities in India | 0 | - | 4.52 | 54,893 |
| Biggest Cities in Asia | 0 | - | 4.87 | 85,982 |
| Japanese Prefectures | 0 | - | 4.97 | 78,456 |
| China Country Quiz | 0 | - | 4.37 | 91,047 |
| Japan Country Quiz | 0 | - | 4.91 | 103,433 |
| Asia Capital to Country | 0 | - | 4.96 | 95,740 |
| Biggest Cities in History | 0 | - | 4.47 | 70,628 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,381 |
| Five Biggest Cities by Country | 0 | - | 4.76 | 122,475 |
| China Cities Map Quiz | 0 | - | 4.86 | 78,725 |
| Provinces of China Map Quiz | 0 | - | 4.95 | 75,296 |
| Provinces of China | 0 | - | 4.97 | 118,045 |
| South Korea Country Quiz | 0 | - | 4.53 | 62,462 |
| Hong Kong Facts | 0 | - | 4.37 | 20,817 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,242 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,212 |
| Countries of the Japanese Empire | 0 | - | 4.95 | 74,907 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.57 | 58,408 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 15,960 |
| Countries Closest to Japan | 0 | - | 4.95 | 102,126 |
| Most Populous World Capitals | 0 | - | 4.89 | 128,199 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,462 |
| Biggest European Cities by Century | 0 | - | 4.96 | 105,168 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 72,002 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,884 |
| Overseas Chinese Population | 0 | - | 4.57 | 35,756 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,238 |
| China A-Z | 0 | - | 4.64 | 51,663 |
| Japan A-Z | 0 | - | 4.41 | 33,116 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,674 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 58,300 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.73 | 55,533 |
| Cities of Ireland | 0 | - | 4.40 | 35,679 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,861 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 146,206 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 73,153 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,373 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 118,293 |
| Cities of China (With Some Help) | 0 | - | 4.77 | 23,566 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.90 | 33,970 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 42,762 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 127,121 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.89 | 32,452 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 40,224 |
| Biggest Cities in the UK | 0 | - | 4.42 | 79,803 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 81,775 |
| Asian Cities by Map #1 | 0 | - | 4.49 | 29,873 |
| Biggest World Cities in 1850 | 0 | - | 4.52 | 47,582 |
| Megacities on a World Map | 0 | - | 4.97 | 199,712 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 174,360 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.78 | 48,848 |
| Asian Capitals by Map | 0 | - | 4.98 | 29,921 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 95,459 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 73,659 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,699 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.93 | 74,600 |
| Cities of the Pearl River Delta | 0 | - | 4.60 | 12,555 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 312,409 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,284 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 50,045 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.57 | 34,709 |
| World Capitals Closest to Bangkok | 0 | - | 4.94 | 34,353 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 434,459 |
| Megacities on an Empty Map | 0 | - | 4.96 | 77,186 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.86 | 41,273 |
| Middle East Capital Cities Quiz | 0 | - | 4.95 | 62,957 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 52,026 |
| Southeast Asian Cities by Map | 0 | - | 4.55 | 17,638 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 61,500 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 53,932 |
| All Cities in China with Population of 1 Million | 0 | - | 4.66 | 27,617 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.93 | 21,024 |
| All Cities in India with Population of 1 Million | 0 | - | 4.80 | 32,797 |
| Asian Coastal Capitals | 0 | - | 4.55 | 17,704 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 55,285 |
| Most Visited Countries by Chinese | 0 | - | 4.24 | 26,143 |
| Most-Visited Countries by Japanese | 0 | - | 4.94 | 44,825 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.46 | 42,438 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 49,587 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.91 | 76,018 |
| Two Largest Cities by First Two Letters | 0 | - | 4.65 | 56,212 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,554 |
| Chinese Geography on the Map | 0 | - | 4.53 | 18,693 |
| Most Guessed Asian Capitals | 0 | - | 4.43 | 40,878 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.71 | 62,076 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,293 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.53 | 43,364 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,502 |
| Flags of Countries that Border China | 0 | - | 4.91 | 69,411 |
| Closest Countries to North Korea | 0 | - | 4.94 | 93,694 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 261,595 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.93 | 79,636 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,849 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,578 |
| Which City in the Middle East? | 0 | - | 4.46 | 46,038 |
| China by Picture | 0 | - | 4.53 | 44,960 |
| Countries that Visit Japan the Most | 0 | - | 4.89 | 60,742 |
| 500 Biggest US Cities | 0 | - | 4.88 | 75,965 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,453 |
| Saint Lucia Country Quiz | 0 | - | 4.57 | 13,881 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 54,329 |
| Random Asian Capital to Country | 0 | - | 4.97 | 63,109 |
| Random Asian Country to Capital | 0 | - | 4.92 | 64,548 |
| Countries that Beat China | 0 | - | 4.68 | 73,942 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 31,910 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.82 | 45,261 |
| Taiwan Country Quiz | 0 | - | 4.86 | 31,143 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 51,122 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 80,452 |
| China Multiple Choice | 0 | - | 4.42 | 32,199 |
| Asian Cities by Wikipedia Descriptions | 0 | - | 4.48 | 21,874 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.58 | 21,696 |
| Countries Closest to Taiwan | 0 | - | 4.86 | 67,509 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.58 | 27,491 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.82 | 42,017 |
