| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.93 | 704,901 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,332,058 |
| Chinese Zodiac Quiz | 0 | - | 4.73 | 111,247 |
| Biggest Cities in Texas | 0 | - | 4.20 | 94,755 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,816 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,477 |
| Biggest Cities in New Jersey | 0 | - | 3.97 | 22,052 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 286,885 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.54 | 89,527 |
| Biggest English-Speaking Cities | 0 | - | 4.39 | 127,548 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.82 | 98,868 |
| Biggest Cities by Language | 0 | - | 4.95 | 193,335 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,406 |
| Biggest Mediterranean Cities | 0 | - | 4.73 | 69,122 |
| Biggest Cities in Japan | 0 | - | 4.73 | 66,335 |
| Biggest US Cities by Decade | 0 | - | 4.93 | 132,473 |
| Biggest Cities in Russia | 0 | - | 4.48 | 68,563 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 41,397 |
| Biggest Cities in Poland | 0 | - | 4.73 | 39,941 |
| Countries that Border China | 0 | - | 4.97 | 211,149 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.36 | 10,604 |
| Biggest Cities Starting With A | 0 | - | 4.54 | 86,602 |
| Biggest Cities Starting With B | 0 | - | 4.38 | 120,520 |
| Biggest Cities Starting With D | 0 | - | 4.46 | 84,442 |
| Biggest Cities Starting With H | 0 | - | 4.49 | 75,110 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 84,611 |
| Biggest Cities Starting With M | 0 | - | 4.47 | 98,277 |
| Biggest Cities Starting With P | 0 | - | 4.44 | 87,157 |
| Biggest Cities in Mexico | 0 | - | 4.51 | 20,871 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.36 | 74,869 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.31 | 62,263 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 70,073 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 76,337 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.10 | 61,237 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.09 | 57,108 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 17,813 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.81 | 52,639 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,328 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,214 |
| Biggest U.S. Cities A-Z | 0 | - | 4.53 | 108,767 |
| Biggest World Cities A-Z | 0 | - | 4.38 | 166,428 |
| Biggest Cities in France | 0 | - | 4.50 | 160,775 |
| Biggest Cities in Spain | 0 | - | 4.65 | 132,267 |
| Biggest Cities in Italy | 0 | - | 4.57 | 188,323 |
| Biggest Cities in California | 0 | - | 4.32 | 119,584 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,240 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 568,900 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,779 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 83,835 |
| Biggest Cities in Ohio | 0 | - | 4.33 | 41,190 |
| Biggest Cities in The Netherlands | 0 | - | 4.42 | 33,539 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 29,815 |
| Biggest Cities in New York State | 0 | - | 4.23 | 51,104 |
| Biggest Cities in Europe | 0 | - | 4.57 | 402,308 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,437 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,191 |
| Biggest Cities in Canada | 0 | - | 4.56 | 108,283 |
| Biggest Cities in Sweden | 0 | - | 4.67 | 24,440 |
| Countries Bordering China Since 1914 | 0 | - | 4.94 | 69,813 |
| Asia Capitals Quiz | 0 | - | 4.97 | 499,306 |
| Biggest Cities in China | 0 | - | 4.41 | 117,544 |
| Asian Cities by Clue | 0 | - | 4.66 | 22,321 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 38,969 |
| Biggest Cities in Germany | 0 | - | 4.94 | 225,444 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,302 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 134,093 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,572 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 16,297 |
| Biggest Cities in Colorado | 0 | - | 3.97 | 27,017 |
| Biggest Cities in Arizona | 0 | - | 4.24 | 24,666 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,259 |
| Biggest Cities in Illinois | 0 | - | 4.29 | 21,382 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,669 |
| Biggest Cities in Wisconsin | 0 | - | 4.41 | 20,502 |
| Biggest Cities in Georgia | 0 | - | 3.72 | 19,329 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,101 |
| Biggest Cities in Missouri | 0 | - | 4.18 | 14,148 |
| Biggest Cities in Oregon | 0 | - | 4.02 | 16,608 |
| Biggest Cities in Alaska | 0 | - | 4.38 | 16,729 |
| Dynasties of China | 0 | - | 4.65 | 20,829 |
| Biggest City by Time Zone | 0 | - | 4.74 | 49,658 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.42 | 78,041 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,247 |
| Biggest Cities in Switzerland | 0 | - | 4.55 | 38,086 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 109,498 |
| Biggest Cities in India | 0 | - | 4.52 | 54,648 |
| Biggest Cities in Asia | 0 | - | 4.87 | 85,545 |
| Japanese Prefectures | 0 | - | 4.97 | 77,433 |
| China Country Quiz | 0 | - | 4.37 | 90,627 |
| Japan Country Quiz | 0 | - | 4.91 | 102,938 |
| Asia Capital to Country | 0 | - | 4.96 | 95,386 |
| Biggest Cities in History | 0 | - | 4.49 | 70,116 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,119 |
| Five Biggest Cities by Country | 0 | - | 4.76 | 121,990 |
| China Cities Map Quiz | 0 | - | 4.85 | 78,404 |
| Provinces of China Map Quiz | 0 | - | 4.95 | 74,959 |
| Provinces of China | 0 | - | 4.97 | 116,696 |
| South Korea Country Quiz | 0 | - | 4.53 | 62,103 |
| Hong Kong Facts | 0 | - | 4.36 | 20,726 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,081 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,053 |
| Countries of the Japanese Empire | 0 | - | 4.95 | 74,421 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.49 | 51,742 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 15,848 |
| Countries Closest to Japan | 0 | - | 4.95 | 101,677 |
| Most Populous World Capitals | 0 | - | 4.89 | 127,599 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,353 |
| Biggest European Cities by Century | 0 | - | 4.97 | 104,751 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 71,766 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,822 |
| Overseas Chinese Population | 0 | - | 4.56 | 35,523 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.91 | 58,947 |
| China A-Z | 0 | - | 4.64 | 51,287 |
| Japan A-Z | 0 | - | 4.41 | 32,926 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,461 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 57,924 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.73 | 55,218 |
| Cities of Ireland | 0 | - | 4.39 | 35,572 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,741 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 145,459 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 72,797 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,228 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.92 | 117,716 |
| Cities of China (With Some Help) | 0 | - | 4.77 | 23,358 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 33,691 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 42,557 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 126,573 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.88 | 32,292 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 39,814 |
| Biggest Cities in the UK | 0 | - | 4.42 | 79,382 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.93 | 81,393 |
| Asian Cities by Map #1 | 0 | - | 4.49 | 29,732 |
| Biggest World Cities in 1850 | 0 | - | 4.52 | 47,404 |
| Megacities on a World Map | 0 | - | 4.97 | 198,447 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 153,282 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.78 | 48,689 |
| Asian Capitals by Map | 0 | - | 4.98 | 29,010 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 94,050 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 72,788 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,503 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.93 | 73,490 |
| Cities of the Pearl River Delta | 0 | - | 4.59 | 12,459 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 300,415 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,168 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 49,841 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.54 | 34,564 |
| World Capitals Closest to Bangkok | 0 | - | 4.94 | 34,189 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 432,065 |
| Megacities on an Empty Map | 0 | - | 4.96 | 76,798 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.86 | 41,126 |
| Middle East Capital Cities Quiz | 0 | - | 4.95 | 62,614 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 51,704 |
| Southeast Asian Cities by Map | 0 | - | 4.54 | 17,508 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 61,254 |
| All 3M Cities on the World Map | 0 | - | 4.93 | 53,448 |
| All Cities in China with Population of 1 Million | 0 | - | 4.65 | 27,107 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 20,451 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 28,916 |
| Asian Coastal Capitals | 0 | - | 4.54 | 17,596 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 54,937 |
| Most Visited Countries by Chinese | 0 | - | 4.23 | 26,043 |
| Most-Visited Countries by Japanese | 0 | - | 4.93 | 44,510 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 42,127 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 49,309 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.91 | 75,734 |
| Two Largest Cities by First Two Letters | 0 | - | 4.65 | 55,966 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,421 |
| Chinese Geography on the Map | 0 | - | 4.53 | 18,525 |
| Most Guessed Asian Capitals | 0 | - | 4.43 | 40,716 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.71 | 61,855 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,112 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.52 | 43,187 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,310 |
| Flags of Countries that Border China | 0 | - | 4.91 | 69,024 |
| Closest Countries to North Korea | 0 | - | 4.94 | 93,228 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 259,986 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.93 | 79,022 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,592 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,473 |
| Which City in the Middle East? | 0 | - | 4.46 | 45,869 |
| China by Picture | 0 | - | 4.53 | 44,546 |
| Countries that Visit Japan the Most | 0 | - | 4.89 | 60,442 |
| 500 Biggest US Cities | 0 | - | 4.90 | 75,188 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,352 |
| Saint Lucia Country Quiz | 0 | - | 4.64 | 13,791 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 53,956 |
| Random Asian Capital to Country | 0 | - | 4.97 | 62,771 |
| Random Asian Country to Capital | 0 | - | 4.92 | 64,213 |
| Countries that Beat China | 0 | - | 4.67 | 73,526 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 31,532 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.82 | 44,722 |
| Taiwan Country Quiz | 0 | - | 4.85 | 30,965 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 50,414 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 79,921 |
| China Multiple Choice | 0 | - | 4.42 | 32,096 |
| Asian Cities by Wikipedia Descriptions | 0 | - | 4.48 | 21,758 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.58 | 21,585 |
| Countries Closest to Taiwan | 0 | - | 4.86 | 67,230 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.57 | 27,160 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.82 | 41,690 |
