| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.93 | 707,127 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,336,574 |
| Chinese Zodiac Quiz | 0 | - | 4.73 | 111,445 |
| Biggest Cities in Texas | 0 | - | 4.20 | 94,917 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,889 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,666 |
| Biggest Cities in New Jersey | 0 | - | 3.97 | 22,086 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 287,631 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.54 | 89,783 |
| Biggest English-Speaking Cities | 0 | - | 4.39 | 127,710 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.84 | 99,051 |
| Biggest Cities by Language | 0 | - | 4.95 | 193,702 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,474 |
| Biggest Mediterranean Cities | 0 | - | 4.73 | 69,255 |
| Biggest Cities in Japan | 0 | - | 4.72 | 66,503 |
| Biggest US Cities by Decade | 0 | - | 4.92 | 132,749 |
| Biggest Cities in Russia | 0 | - | 4.48 | 68,720 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 41,609 |
| Biggest Cities in Poland | 0 | - | 4.73 | 40,104 |
| Countries that Border China | 0 | - | 4.97 | 211,878 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.38 | 10,646 |
| Biggest Cities Starting With A | 0 | - | 4.54 | 86,892 |
| Biggest Cities Starting With B | 0 | - | 4.38 | 120,831 |
| Biggest Cities Starting With D | 0 | - | 4.46 | 84,652 |
| Biggest Cities Starting With H | 0 | - | 4.48 | 75,390 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 84,890 |
| Biggest Cities Starting With M | 0 | - | 4.47 | 98,604 |
| Biggest Cities Starting With P | 0 | - | 4.44 | 87,448 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 20,993 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.34 | 75,033 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.31 | 62,403 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 70,197 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 76,443 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.10 | 61,319 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.06 | 57,182 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 17,876 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.81 | 52,701 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,408 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,305 |
| Biggest U.S. Cities A-Z | 0 | - | 4.54 | 109,029 |
| Biggest World Cities A-Z | 0 | - | 4.37 | 166,797 |
| Biggest Cities in France | 0 | - | 4.52 | 161,314 |
| Biggest Cities in Spain | 0 | - | 4.64 | 132,694 |
| Biggest Cities in Italy | 0 | - | 4.57 | 188,803 |
| Biggest Cities in California | 0 | - | 4.30 | 119,803 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,392 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 570,646 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,847 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 84,038 |
| Biggest Cities in Ohio | 0 | - | 4.33 | 41,268 |
| Biggest Cities in The Netherlands | 0 | - | 4.42 | 33,677 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 29,857 |
| Biggest Cities in New York State | 0 | - | 4.20 | 51,183 |
| Biggest Cities in Europe | 0 | - | 4.57 | 403,298 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,491 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,241 |
| Biggest Cities in Canada | 0 | - | 4.56 | 108,693 |
| Biggest Cities in Sweden | 0 | - | 4.71 | 24,547 |
| Countries Bordering China Since 1914 | 0 | - | 4.94 | 70,075 |
| Asia Capitals Quiz | 0 | - | 4.97 | 501,121 |
| Biggest Cities in China | 0 | - | 4.42 | 118,096 |
| Asian Cities by Clue | 0 | - | 4.66 | 22,398 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 39,036 |
| Biggest Cities in Germany | 0 | - | 4.94 | 226,106 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,400 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 134,439 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,759 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 16,329 |
| Biggest Cities in Colorado | 0 | - | 3.97 | 27,061 |
| Biggest Cities in Arizona | 0 | - | 4.24 | 24,746 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,303 |
| Biggest Cities in Illinois | 0 | - | 4.30 | 21,449 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,756 |
| Biggest Cities in Wisconsin | 0 | - | 4.35 | 20,572 |
| Biggest Cities in Georgia | 0 | - | 3.72 | 19,368 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,151 |
| Biggest Cities in Missouri | 0 | - | 4.18 | 14,186 |
| Biggest Cities in Oregon | 0 | - | 4.02 | 16,680 |
| Biggest Cities in Alaska | 0 | - | 4.39 | 16,796 |
| Dynasties of China | 0 | - | 4.67 | 20,931 |
| Biggest City by Time Zone | 0 | - | 4.74 | 49,745 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.42 | 78,149 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,563 |
| Biggest Cities in Switzerland | 0 | - | 4.55 | 38,204 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 109,645 |
| Biggest Cities in India | 0 | - | 4.51 | 54,795 |
| Biggest Cities in Asia | 0 | - | 4.87 | 85,872 |
| Japanese Prefectures | 0 | - | 4.97 | 78,095 |
| China Country Quiz | 0 | - | 4.37 | 90,872 |
| Japan Country Quiz | 0 | - | 4.91 | 103,239 |
| Asia Capital to Country | 0 | - | 4.96 | 95,614 |
| Biggest Cities in History | 0 | - | 4.49 | 70,468 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,277 |
| Five Biggest Cities by Country | 0 | - | 4.76 | 122,297 |
| China Cities Map Quiz | 0 | - | 4.86 | 78,606 |
| Provinces of China Map Quiz | 0 | - | 4.95 | 75,177 |
| Provinces of China | 0 | - | 4.97 | 117,647 |
| South Korea Country Quiz | 0 | - | 4.53 | 62,312 |
| Hong Kong Facts | 0 | - | 4.37 | 20,778 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,183 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,157 |
| Countries of the Japanese Empire | 0 | - | 4.95 | 74,716 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.49 | 51,834 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 15,921 |
| Countries Closest to Japan | 0 | - | 4.95 | 101,932 |
| Most Populous World Capitals | 0 | - | 4.89 | 127,818 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,435 |
| Biggest European Cities by Century | 0 | - | 4.96 | 105,009 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 71,903 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,864 |
| Overseas Chinese Population | 0 | - | 4.56 | 35,662 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,129 |
| China A-Z | 0 | - | 4.64 | 51,527 |
| Japan A-Z | 0 | - | 4.41 | 33,053 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,585 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 58,160 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.73 | 55,424 |
| Cities of Ireland | 0 | - | 4.40 | 35,632 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,807 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 145,917 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 73,021 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,308 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 118,095 |
| Cities of China (With Some Help) | 0 | - | 4.77 | 23,502 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.90 | 33,857 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 42,679 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 126,931 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.89 | 32,399 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 40,093 |
| Biggest Cities in the UK | 0 | - | 4.42 | 79,639 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 81,639 |
| Asian Cities by Map #1 | 0 | - | 4.49 | 29,826 |
| Biggest World Cities in 1850 | 0 | - | 4.52 | 47,514 |
| Megacities on a World Map | 0 | - | 4.97 | 199,412 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 172,382 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.78 | 48,788 |
| Asian Capitals by Map | 0 | - | 4.98 | 29,524 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 95,224 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 73,494 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,626 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.93 | 74,448 |
| Cities of the Pearl River Delta | 0 | - | 4.60 | 12,515 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 309,239 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,241 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 49,972 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.56 | 34,655 |
| World Capitals Closest to Bangkok | 0 | - | 4.94 | 34,290 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 433,550 |
| Megacities on an Empty Map | 0 | - | 4.96 | 77,041 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.86 | 41,218 |
| Middle East Capital Cities Quiz | 0 | - | 4.95 | 62,813 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 51,917 |
| Southeast Asian Cities by Map | 0 | - | 4.55 | 17,581 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 61,398 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 53,748 |
| All Cities in China with Population of 1 Million | 0 | - | 4.66 | 27,460 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.93 | 20,846 |
| All Cities in India with Population of 1 Million | 0 | - | 4.80 | 32,508 |
| Asian Coastal Capitals | 0 | - | 4.55 | 17,659 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 55,142 |
| Most Visited Countries by Chinese | 0 | - | 4.24 | 26,112 |
| Most-Visited Countries by Japanese | 0 | - | 4.94 | 44,714 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.46 | 42,350 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 49,493 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.91 | 75,900 |
| Two Largest Cities by First Two Letters | 0 | - | 4.65 | 56,128 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,498 |
| Chinese Geography on the Map | 0 | - | 4.53 | 18,613 |
| Most Guessed Asian Capitals | 0 | - | 4.43 | 40,811 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.71 | 61,990 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,225 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.52 | 43,298 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,417 |
| Flags of Countries that Border China | 0 | - | 4.91 | 69,270 |
| Closest Countries to North Korea | 0 | - | 4.94 | 93,527 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 261,008 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.93 | 79,437 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,752 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,536 |
| Which City in the Middle East? | 0 | - | 4.46 | 45,981 |
| China by Picture | 0 | - | 4.53 | 44,830 |
| Countries that Visit Japan the Most | 0 | - | 4.89 | 60,621 |
| 500 Biggest US Cities | 0 | - | 4.90 | 75,681 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,424 |
| Saint Lucia Country Quiz | 0 | - | 4.64 | 13,847 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 54,180 |
| Random Asian Capital to Country | 0 | - | 4.97 | 63,003 |
| Random Asian Country to Capital | 0 | - | 4.92 | 64,452 |
| Countries that Beat China | 0 | - | 4.67 | 73,831 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 31,772 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.82 | 45,074 |
| Taiwan Country Quiz | 0 | - | 4.86 | 31,068 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 50,850 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 80,255 |
| China Multiple Choice | 0 | - | 4.42 | 32,151 |
| Asian Cities by Wikipedia Descriptions | 0 | - | 4.48 | 21,834 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.58 | 21,649 |
| Countries Closest to Taiwan | 0 | - | 4.86 | 67,403 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.58 | 27,383 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.82 | 41,895 |
