| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.91 | 776,579 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,461,562 |
| Chinese Zodiac Quiz | 0 | - | 4.68 | 116,810 |
| Biggest Cities in Texas | 0 | - | 4.23 | 108,282 |
| Biggest Cities in Washington State | 0 | - | 4.38 | 27,160 |
| Biggest Urban Areas in the UK | 0 | - | 4.38 | 163,541 |
| Biggest Cities in New Jersey | 0 | - | 4.04 | 24,087 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 311,529 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.84 | 105,281 |
| Biggest Cities by Language | 0 | - | 4.95 | 207,100 |
| Biggest Nordic Cities | 0 | - | 4.36 | 58,840 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 73,067 |
| Biggest Cities in Japan | 0 | - | 4.70 | 72,594 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 149,843 |
| Biggest Cities in Russia | 0 | - | 4.46 | 74,074 |
| States of India | 0 | - | 4.92 | 140,949 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 46,554 |
| Biggest Cities in Poland | 0 | - | 4.55 | 45,503 |
| Countries that Border China | 0 | - | 4.96 | 225,683 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.40 | 12,378 |
| Biggest Cities Starting With A | 0 | - | 4.47 | 107,691 |
| Biggest Cities Starting With D | 0 | - | 4.46 | 103,585 |
| Biggest Cities Starting With L | 0 | - | 4.41 | 105,533 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 123,088 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 109,517 |
| Biggest Cities in Mexico | 0 | - | 4.53 | 24,093 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.31 | 80,254 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.34 | 67,150 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.22 | 75,057 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.09 | 80,925 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.10 | 64,392 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.14 | 60,160 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.13 | 20,175 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.85 | 54,878 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.19 | 58,409 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.27 | 65,711 |
| Biggest U.S. Cities A-Z | 0 | - | 4.51 | 118,590 |
| Biggest Cities in France | 0 | - | 4.48 | 178,755 |
| Biggest Cities in Spain | 0 | - | 4.51 | 146,438 |
| Biggest Cities in Italy | 0 | - | 4.61 | 207,312 |
| Biggest Cities in California | 0 | - | 4.34 | 126,841 |
| Biggest Cities in Florida | 0 | - | 4.18 | 65,406 |
| Biggest Cities in the World Quiz | 0 | - | 4.82 | 628,704 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 22,156 |
| Biggest Cities in Africa Quiz | 0 | - | 4.89 | 89,494 |
| Biggest Cities in Ohio | 0 | - | 4.35 | 44,471 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 47,505 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 31,624 |
| Biggest Cities in New York State | 0 | - | 4.22 | 54,358 |
| Biggest Cities in Europe | 0 | - | 4.49 | 436,069 |
| Biggest Cities in Indiana | 0 | - | 4.25 | 19,116 |
| Biggest Cities in Tennessee | 0 | - | 4.22 | 18,620 |
| Biggest Cities in Canada | 0 | - | 4.63 | 116,260 |
| Biggest Cities in Sweden | 0 | - | 4.84 | 35,463 |
| Countries Bordering China Since 1914 | 0 | - | 4.90 | 85,002 |
| Asia Capitals Quiz | 0 | - | 4.98 | 560,536 |
| Biggest Cities in China | 0 | - | 4.43 | 130,525 |
| Asian Cities by Clue | 0 | - | 4.68 | 24,392 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 41,591 |
| Biggest Cities in Germany | 0 | - | 4.94 | 250,420 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.39 | 58,443 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 145,024 |
| Biggest City in Every Country | 0 | - | 4.97 | 73,655 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 17,673 |
| Biggest Cities in Colorado | 0 | - | 4.02 | 29,073 |
| Biggest Cities in Arizona | 0 | - | 4.21 | 27,372 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 22,137 |
| Biggest Cities in Illinois | 0 | - | 4.32 | 23,582 |
| Biggest Cities in North Carolina | 0 | - | 4.53 | 30,878 |
| Biggest Cities in Wisconsin | 0 | - | 4.44 | 22,611 |
| Biggest Cities in Georgia | 0 | - | 3.84 | 20,945 |
| Biggest Cities in Massachusetts | 0 | - | 4.34 | 26,480 |
| Biggest Cities in Missouri | 0 | - | 4.19 | 15,371 |
| Biggest Cities in Oregon | 0 | - | 4.06 | 18,104 |
| Biggest Cities in Alaska | 0 | - | 4.22 | 22,782 |
| Biggest English Cities by Century | 0 | - | 4.93 | 95,415 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 42,062 |
| Biggest European Cities by Letter | 0 | - | 4.51 | 115,697 |
| Biggest Cities in India | 0 | - | 4.60 | 60,147 |
| Biggest Cities in Asia | 0 | - | 4.92 | 92,007 |
| Japanese Prefectures | 0 | - | 4.97 | 96,808 |
| China Country Quiz | 0 | - | 4.37 | 99,463 |
| Japan Country Quiz | 0 | - | 4.91 | 113,617 |
| Asia Capital to Country | 0 | - | 4.95 | 102,037 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 63,293 |
| Five Biggest Cities by Country | 0 | - | 4.52 | 146,623 |
| China Cities Map Quiz | 0 | - | 4.82 | 84,873 |
| Provinces of China Map Quiz | 0 | - | 4.95 | 80,693 |
| Provinces of China | 0 | - | 4.96 | 140,760 |
| South Korea Country Quiz | 0 | - | 4.63 | 68,538 |
| Hong Kong Facts | 0 | - | 4.42 | 27,214 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 59,755 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 84,239 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.51 | 61,751 |
| Biggest Cities in Portugal | 0 | - | 4.36 | 18,004 |
| Countries Closest to Japan | 0 | - | 4.94 | 122,510 |
| Most Populous World Capitals | 0 | - | 4.90 | 135,512 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 27,578 |
| Biggest European Cities by Century | 0 | - | 4.96 | 114,492 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 77,704 |
| U.S. Cities by Hispanic Population | 0 | - | 4.24 | 24,025 |
| Overseas Chinese Population | 0 | - | 4.53 | 39,011 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 67,503 |
| China A-Z | 0 | - | 4.53 | 57,334 |
| Japan A-Z | 0 | - | 4.46 | 37,083 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.63 | 62,908 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.93 | 64,971 |
| Cities of Ireland | 0 | - | 4.42 | 38,225 |
| Largest Indonesian Islands | 0 | - | 4.53 | 42,192 |
| Largest Cities in Alexander's Empire | 0 | - | 4.47 | 37,847 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 159,754 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 87,526 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.80 | 49,334 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 127,016 |
| Cities of China (With Some Help) | 0 | - | 4.86 | 27,052 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.90 | 41,265 |
| Biggest Cities with Exceptions | 0 | - | 4.85 | 46,568 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 139,710 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.85 | 42,682 |
| Asian Capitals - Map Quiz | 0 | - | 4.96 | 47,587 |
| Biggest Cities in the UK | 0 | - | 4.41 | 88,220 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 89,557 |
| Asian Cities by Map #1 | 0 | - | 4.49 | 38,290 |
| Megacities on a World Map | 0 | - | 4.98 | 213,197 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 190,439 |
| Asian Capitals by Map | 0 | - | 4.98 | 41,811 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 104,129 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.86 | 80,276 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.76 | 41,832 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 87,472 |
| Cities of the Pearl River Delta | 0 | - | 4.61 | 14,094 |
| Provinces of the Philippines | 0 | - | 4.49 | 31,948 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 353,366 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.28 | 35,144 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 53,741 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.46 | 37,001 |
| World Capitals Closest to Bangkok | 0 | - | 4.92 | 37,158 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 490,058 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.21 | 80,909 |
| Megacities on an Empty Map | 0 | - | 4.96 | 83,894 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.88 | 44,977 |
| Middle East Capital Cities Quiz | 0 | - | 4.95 | 74,976 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 57,722 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 65,244 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 60,109 |
| All Cities in China with Population of 1 Million | 0 | - | 4.60 | 35,502 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.91 | 26,297 |
| All Cities in India with Population of 1 Million | 0 | - | 4.82 | 38,188 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.94 | 61,037 |
| Most Visited Countries by Chinese People | 0 | - | 4.39 | 50,274 |
| Most-Visited Countries by Japanese | 0 | - | 4.94 | 50,842 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.45 | 49,770 |
| Biggest Trading Partners - China | 0 | - | 4.97 | 67,576 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.91 | 81,416 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 38,856 |
| Chinese Geography on the Map | 0 | - | 4.53 | 21,255 |
| Most Guessed Asian Capitals | 0 | - | 4.49 | 61,608 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.70 | 66,517 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.47 | 57,532 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.60 | 54,566 |
| Biggest Cities in Deserts | 0 | - | 4.93 | 40,647 |
| Flags of Countries that Border China | 0 | - | 4.91 | 77,545 |
| Closest Countries to North Korea | 0 | - | 4.90 | 100,476 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 290,108 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 91,291 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 66,721 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 32,948 |
| Ten Southernmost Megacities | 0 | - | 4.82 | 44,966 |
| Which City in Asia? | 0 | - | 4.44 | 38,523 |
| Provinces of Turkey | 0 | - | 4.94 | 168,981 |
| Which City in the Middle East? | 0 | - | 4.47 | 49,087 |
| Japan by Picture | 0 | - | 4.41 | 24,959 |
| China by Picture | 0 | - | 4.50 | 51,097 |
| Countries that Visit Japan the Most | 0 | - | 4.92 | 66,681 |
| 500 Biggest US Cities | 0 | - | 4.85 | 89,887 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 28,023 |
| Saint Lucia Country Quiz | 0 | - | 4.60 | 15,535 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 74,595 |
| Random Asian Capital to Country | 0 | - | 4.96 | 83,419 |
| Random Asian Country to Capital | 0 | - | 4.91 | 81,819 |
| Countries that Beat China | 0 | - | 4.51 | 95,072 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 39,515 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.70 | 58,742 |
| Random Asian City to Country | 0 | - | 4.42 | 32,820 |
| Taiwan Country Quiz | 0 | - | 4.82 | 37,980 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.86 | 68,883 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 88,689 |
| China Multiple Choice | 0 | - | 4.41 | 34,346 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.58 | 23,695 |
| Countries Closest to Taiwan | 0 | - | 4.79 | 71,965 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.57 | 33,343 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.88 | 56,592 |
| Random Asian Capitals on a Map | 0 | - | 4.80 | 42,918 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 31,048 |
| Largest Nordic Cities on a Map | 0 | - | 4.52 | 17,990 |
| Hong Kong A-Z | 0 | - | 4.52 | 13,118 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.47 | 19,699 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.80 | 49,484 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.39 | 21,520 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.53 | 34,960 |
