| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.91 | 776,268 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,461,092 |
| Biggest Cities in Texas | 0 | - | 4.23 | 108,266 |
| Biggest Cities in Washington State | 0 | - | 4.38 | 27,158 |
| Biggest Urban Areas in the UK | 0 | - | 4.38 | 163,500 |
| Biggest Cities in New Jersey | 0 | - | 4.04 | 24,081 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 311,396 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.84 | 105,239 |
| Biggest Cities by Language | 0 | - | 4.95 | 207,042 |
| Biggest Nordic Cities | 0 | - | 4.36 | 58,828 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 73,055 |
| Biggest Cities in Japan | 0 | - | 4.70 | 72,569 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 149,812 |
| Biggest Cities in Russia | 0 | - | 4.46 | 74,044 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 46,519 |
| Biggest Cities in Poland | 0 | - | 4.55 | 45,465 |
| Countries that Border China | 0 | - | 4.96 | 225,633 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.40 | 12,367 |
| Biggest Cities Starting With A | 0 | - | 4.47 | 107,658 |
| Biggest Cities Starting With D | 0 | - | 4.46 | 103,562 |
| Biggest Cities Starting With L | 0 | - | 4.41 | 105,493 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 123,049 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 109,488 |
| Biggest Cities in Mexico | 0 | - | 4.53 | 24,079 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.31 | 80,222 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.34 | 67,106 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.22 | 75,040 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.09 | 80,904 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.10 | 64,382 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.14 | 60,148 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.13 | 20,170 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.85 | 54,869 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.19 | 58,396 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.27 | 65,700 |
| Biggest U.S. Cities A-Z | 0 | - | 4.51 | 118,553 |
| Biggest Cities in France | 0 | - | 4.48 | 178,677 |
| Biggest Cities in Spain | 0 | - | 4.51 | 146,385 |
| Biggest Cities in Italy | 0 | - | 4.61 | 207,234 |
| Biggest Cities in California | 0 | - | 4.34 | 126,815 |
| Biggest Cities in Florida | 0 | - | 4.18 | 65,388 |
| Biggest Cities in the World Quiz | 0 | - | 4.82 | 628,491 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 22,151 |
| Biggest Cities in Africa Quiz | 0 | - | 4.89 | 89,471 |
| Biggest Cities in Ohio | 0 | - | 4.35 | 44,460 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 47,486 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 31,621 |
| Biggest Cities in New York State | 0 | - | 4.22 | 54,349 |
| Biggest Cities in Europe | 0 | - | 4.49 | 435,959 |
| Biggest Cities in Indiana | 0 | - | 4.25 | 19,112 |
| Biggest Cities in Tennessee | 0 | - | 4.22 | 18,616 |
| Biggest Cities in Canada | 0 | - | 4.63 | 116,226 |
| Japanese Loanwords | 0 | - | 4.44 | 63,566 |
| Biggest Cities in Sweden | 0 | - | 4.84 | 35,451 |
| Countries Bordering China Since 1914 | 0 | - | 4.90 | 84,969 |
| Asia Capitals Quiz | 0 | - | 4.98 | 560,311 |
| Biggest Cities in China | 0 | - | 4.43 | 130,472 |
| Asian Cities by Clue | 0 | - | 4.68 | 24,387 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 41,582 |
| Biggest Cities in Germany | 0 | - | 4.94 | 250,334 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.39 | 58,425 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 144,973 |
| Biggest City in Every Country | 0 | - | 4.97 | 73,631 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 17,672 |
| Biggest Cities in Colorado | 0 | - | 4.02 | 29,069 |
| Biggest Cities in Arizona | 0 | - | 4.21 | 27,360 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 22,134 |
| Biggest Cities in Illinois | 0 | - | 4.32 | 23,573 |
| Biggest Cities in North Carolina | 0 | - | 4.53 | 30,874 |
| Biggest Cities in Wisconsin | 0 | - | 4.44 | 22,610 |
| Biggest Cities in Georgia | 0 | - | 3.84 | 20,942 |
| Biggest Cities in Massachusetts | 0 | - | 4.34 | 26,472 |
| Biggest Cities in Missouri | 0 | - | 4.19 | 15,370 |
| Biggest Cities in Oregon | 0 | - | 4.06 | 18,102 |
| Biggest Cities in Alaska | 0 | - | 4.22 | 22,773 |
| Biggest English Cities by Century | 0 | - | 4.93 | 95,376 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 42,054 |
| Biggest European Cities by Letter | 0 | - | 4.51 | 115,662 |
| Biggest Cities in India | 0 | - | 4.60 | 60,137 |
| Biggest Cities in Asia | 0 | - | 4.92 | 91,985 |
| Japanese Prefectures | 0 | - | 4.97 | 96,751 |
| Japan Country Quiz | 0 | - | 4.91 | 113,568 |
| Asia Capital to Country | 0 | - | 4.95 | 102,013 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 63,281 |
| Five Biggest Cities by Country | 0 | - | 4.52 | 146,577 |
| China Cities Map Quiz | 0 | - | 4.82 | 84,829 |
| Provinces of China Map Quiz | 0 | - | 4.95 | 80,674 |
| Provinces of China | 0 | - | 4.97 | 140,658 |
| South Korea Country Quiz | 0 | - | 4.63 | 68,508 |
| Hong Kong Facts | 0 | - | 4.42 | 27,209 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 59,742 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 84,193 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.51 | 61,745 |
| Biggest Cities in Portugal | 0 | - | 4.36 | 18,000 |
| Countries Closest to Japan | 0 | - | 4.94 | 122,472 |
| Most Populous World Capitals | 0 | - | 4.90 | 135,481 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 27,574 |
| Biggest European Cities by Century | 0 | - | 4.96 | 114,463 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 77,692 |
| U.S. Cities by Hispanic Population | 0 | - | 4.24 | 24,020 |
| Overseas Chinese Population | 0 | - | 4.53 | 39,000 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 67,469 |
| China A-Z | 0 | - | 4.53 | 57,310 |
| Japan A-Z | 0 | - | 4.46 | 37,071 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.63 | 62,892 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.93 | 64,957 |
| Cities of Ireland | 0 | - | 4.42 | 38,214 |
| Four Main Islands of Japan | 0 | - | 4.47 | 23,156 |
| Largest Cities in Alexander's Empire | 0 | - | 4.47 | 37,836 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 159,694 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 87,495 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.80 | 49,323 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 126,966 |
| Cities of China (With Some Help) | 0 | - | 4.86 | 27,039 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.90 | 41,258 |
| Biggest Cities with Exceptions | 0 | - | 4.85 | 46,552 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 139,665 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.85 | 42,675 |
| Asian Capitals - Map Quiz | 0 | - | 4.96 | 47,566 |
| Biggest Cities in the UK | 0 | - | 4.41 | 88,180 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 89,520 |
| Asian Cities by Map #1 | 0 | - | 4.49 | 38,274 |
| Megacities on a World Map | 0 | - | 4.98 | 213,151 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 190,379 |
| Asian Capitals by Map | 0 | - | 4.98 | 41,787 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 104,081 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.86 | 80,256 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.76 | 41,824 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 87,435 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 353,206 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.28 | 35,122 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 53,725 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.46 | 36,992 |
| World Capitals Closest to Bangkok | 0 | - | 4.92 | 37,150 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 489,862 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.20 | 80,797 |
| Megacities on an Empty Map | 0 | - | 4.96 | 83,866 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.88 | 44,970 |
| Middle East Capital Cities Quiz | 0 | - | 4.95 | 74,942 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 57,707 |
| Southeast Asian Cities by Map | 0 | - | 4.68 | 24,245 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 65,225 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 60,082 |
| All Cities in China with Population of 1 Million | 0 | - | 4.60 | 35,489 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.91 | 26,279 |
| All Cities in India with Population of 1 Million | 0 | - | 4.82 | 38,175 |
| Asian Coastal Capitals | 0 | - | 4.52 | 19,604 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.94 | 61,015 |
| Most-Visited Countries by Japanese | 0 | - | 4.94 | 50,821 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.45 | 49,740 |
| Biggest Trading Partners - China | 0 | - | 4.97 | 67,551 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.91 | 81,401 |
| U.S. States by Second Most Populous City | 0 | - | 4.41 | 38,846 |
| Chinese Geography on the Map | 0 | - | 4.53 | 21,251 |
| Most Guessed Asian Capitals | 0 | - | 4.49 | 61,599 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.70 | 66,498 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.47 | 57,514 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.60 | 54,547 |
| Biggest Cities in Deserts | 0 | - | 4.93 | 40,640 |
| Flags of Countries that Border China | 0 | - | 4.91 | 77,517 |
| Closest Countries to North Korea | 0 | - | 4.90 | 100,447 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 289,973 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 91,240 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 66,702 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 32,939 |
| Ten Southernmost Megacities | 0 | - | 4.82 | 44,956 |
| Which City in Asia? | 0 | - | 4.44 | 38,512 |
| Which City in the Middle East? | 0 | - | 4.47 | 49,076 |
| Japan by Picture | 0 | - | 4.41 | 24,952 |
| China by Picture | 0 | - | 4.50 | 51,069 |
| Countries that Visit Japan the Most | 0 | - | 4.92 | 66,636 |
| 500 Biggest US Cities | 0 | - | 4.85 | 89,826 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 28,018 |
| Saint Lucia Country Quiz | 0 | - | 4.60 | 15,529 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 74,555 |
| Random Asian Capital to Country | 0 | - | 4.96 | 83,392 |
| Random Asian Country to Capital | 0 | - | 4.91 | 81,798 |
| Countries that Beat China | 0 | - | 4.51 | 95,032 |
| Countries that Beat Japan | 0 | - | 4.35 | 57,743 |
| Biggest Cities in France - Extreme | 0 | - | 4.87 | 39,418 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.70 | 58,598 |
| Random Asian City to Country | 0 | - | 4.42 | 32,812 |
| Taiwan Country Quiz | 0 | - | 4.82 | 37,970 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.85 | 68,800 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 88,649 |
| China Multiple Choice | 0 | - | 4.41 | 34,339 |
| Japan Multiple Choice | 0 | - | 4.45 | 36,751 |
| Asian Cities by Wikipedia Descriptions | 0 | - | 4.56 | 23,565 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.58 | 23,688 |
| Countries Closest to Taiwan | 0 | - | 4.79 | 71,940 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.57 | 33,309 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.88 | 56,570 |
| Random Asian Capitals on a Map | 0 | - | 4.80 | 42,896 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 31,031 |
| Largest Nordic Cities on a Map | 0 | - | 4.52 | 17,982 |
| Turkmenistan Country Quiz | 0 | - | 4.76 | 21,754 |
| Hong Kong A-Z | 0 | - | 4.52 | 13,116 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.47 | 19,690 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.80 | 49,468 |
| Biggest Cities in the Confederate States in 1860 | 0 | - | 4.39 | 21,513 |
| European Cities in the Top 200 Worldwide | 0 | - | 4.53 | 34,946 |
