| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.93 | 710,967 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,344,733 |
| Biggest Cities in Texas | 0 | - | 4.21 | 95,353 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,988 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,979 |
| Biggest Cities in New Jersey | 0 | - | 3.97 | 22,179 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 288,874 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.57 | 90,141 |
| Biggest English-Speaking Cities | 0 | - | 4.39 | 127,980 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.84 | 99,509 |
| Biggest Cities by Language | 0 | - | 4.95 | 194,613 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,610 |
| Biggest Mediterranean Cities | 0 | - | 4.65 | 69,491 |
| Biggest Cities in Japan | 0 | - | 4.68 | 66,828 |
| Biggest US Cities by Decade | 0 | - | 4.92 | 133,238 |
| Biggest Cities in Russia | 0 | - | 4.49 | 68,970 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 41,914 |
| Biggest Cities in Poland | 0 | - | 4.73 | 40,391 |
| Countries that Border China | 0 | - | 4.97 | 212,685 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.38 | 10,749 |
| Biggest Cities Starting With A | 0 | - | 4.55 | 87,286 |
| Biggest Cities Starting With B | 0 | - | 4.38 | 121,240 |
| Biggest Cities Starting With D | 0 | - | 4.46 | 84,961 |
| Biggest Cities Starting With H | 0 | - | 4.48 | 75,947 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 85,274 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 99,090 |
| Biggest Cities Starting With P | 0 | - | 4.44 | 87,829 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 21,149 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.34 | 75,376 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.32 | 62,702 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 70,686 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 76,743 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.12 | 61,534 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.07 | 57,389 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 18,051 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.82 | 52,876 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,637 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,535 |
| Biggest U.S. Cities A-Z | 0 | - | 4.55 | 109,481 |
| Biggest World Cities A-Z | 0 | - | 4.39 | 167,457 |
| Biggest Cities in France | 0 | - | 4.53 | 162,238 |
| Biggest Cities in Spain | 0 | - | 4.66 | 133,469 |
| Biggest Cities in Italy | 0 | - | 4.64 | 189,845 |
| Biggest Cities in California | 0 | - | 4.30 | 120,135 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,591 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 573,861 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,967 |
| Biggest Cities in Africa Quiz | 0 | - | 4.89 | 84,313 |
| Biggest Cities in Ohio | 0 | - | 4.33 | 41,417 |
| Biggest Cities in The Netherlands | 0 | - | 4.42 | 36,855 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 29,928 |
| Biggest Cities in New York State | 0 | - | 4.20 | 51,326 |
| Biggest Cities in Europe | 0 | - | 4.64 | 405,052 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,598 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,316 |
| Biggest Cities in Canada | 0 | - | 4.57 | 109,072 |
| Japanese Loanwords | 0 | - | 4.43 | 60,011 |
| Biggest Cities in Sweden | 0 | - | 4.71 | 24,757 |
| Countries Bordering China Since 1914 | 0 | - | 4.94 | 70,492 |
| Asia Capitals Quiz | 0 | - | 4.97 | 504,070 |
| Biggest Cities in China | 0 | - | 4.45 | 118,752 |
| Asian Cities by Clue | 0 | - | 4.66 | 22,543 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 39,144 |
| Biggest Cities in Germany | 0 | - | 4.94 | 227,538 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,555 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 135,284 |
| Biggest City in Every Country | 0 | - | 4.97 | 67,062 |
| Biggest Cities in Louisiana | 0 | - | 3.98 | 16,387 |
| Biggest Cities in Colorado | 0 | - | 3.97 | 27,162 |
| Biggest Cities in Arizona | 0 | - | 4.24 | 24,864 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,393 |
| Biggest Cities in Illinois | 0 | - | 4.30 | 21,584 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,879 |
| Biggest Cities in Wisconsin | 0 | - | 4.35 | 20,650 |
| Biggest Cities in Georgia | 0 | - | 3.72 | 19,437 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,239 |
| Biggest Cities in Missouri | 0 | - | 4.18 | 14,242 |
| Biggest Cities in Oregon | 0 | - | 4.02 | 16,744 |
| Biggest Cities in Alaska | 0 | - | 4.39 | 16,885 |
| Biggest City by Time Zone | 0 | - | 4.74 | 49,883 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.42 | 78,318 |
| Biggest English Cities by Century | 0 | - | 4.92 | 86,055 |
| Biggest Cities in Switzerland | 0 | - | 4.56 | 38,452 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 110,170 |
| Biggest Cities in India | 0 | - | 4.52 | 55,049 |
| Biggest Cities in Asia | 0 | - | 4.88 | 86,188 |
| Japanese Prefectures | 0 | - | 4.97 | 79,023 |
| Japan Country Quiz | 0 | - | 4.91 | 103,797 |
| Asia Capital to Country | 0 | - | 4.96 | 96,238 |
| Biggest Cities in History | 0 | - | 4.48 | 70,908 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,556 |
| Five Biggest Cities by Country | 0 | - | 4.74 | 122,799 |
| China Cities Map Quiz | 0 | - | 4.86 | 78,998 |
| Provinces of China Map Quiz | 0 | - | 4.95 | 75,515 |
| Provinces of China | 0 | - | 4.97 | 118,995 |
| South Korea Country Quiz | 0 | - | 4.54 | 62,698 |
| Hong Kong Facts | 0 | - | 4.37 | 20,881 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,374 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,362 |
| Countries of the Japanese Empire | 0 | - | 4.95 | 75,233 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.53 | 58,936 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 16,041 |
| Countries Closest to Japan | 0 | - | 4.95 | 102,469 |
| Most Populous World Capitals | 0 | - | 4.89 | 128,439 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,535 |
| Biggest European Cities by Century | 0 | - | 4.96 | 105,536 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 72,244 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,928 |
| Overseas Chinese Population | 0 | - | 4.64 | 35,919 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,456 |
| China A-Z | 0 | - | 4.65 | 51,882 |
| Japan A-Z | 0 | - | 4.41 | 33,260 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,833 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 58,509 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.74 | 55,733 |
| Cities of Ireland | 0 | - | 4.40 | 35,776 |
| Four Main Islands of Japan | 0 | - | 4.41 | 20,579 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,935 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 146,725 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 73,384 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,477 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 118,609 |
| Cities of China (With Some Help) | 0 | - | 4.78 | 23,715 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 34,138 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 42,895 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 127,763 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.89 | 32,562 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 40,494 |
| Biggest Cities in the UK | 0 | - | 4.42 | 80,087 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 82,030 |
| Asian Cities by Map #1 | 0 | - | 4.49 | 29,971 |
| Megacities on a World Map | 0 | - | 4.97 | 200,285 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 175,267 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.78 | 48,973 |
| Asian Capitals by Map | 0 | - | 4.98 | 30,485 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 95,792 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.84 | 73,898 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.78 | 38,823 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.93 | 74,826 |
| Cities of the Pearl River Delta | 0 | - | 4.60 | 12,615 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 314,066 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,346 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 50,215 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.56 | 34,807 |
| World Capitals Closest to Bangkok | 0 | - | 4.94 | 34,464 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 436,060 |
| Megacities on an Empty Map | 0 | - | 4.96 | 77,443 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.87 | 41,555 |
| Middle East Capital Cities Quiz | 0 | - | 4.95 | 63,222 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 52,234 |
| Southeast Asian Cities by Map | 0 | - | 4.55 | 17,724 |
| Biggest Mongol Empire Countries | 0 | - | 4.91 | 61,690 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 54,245 |
| All Cities in China with Population of 1 Million | 0 | - | 4.67 | 30,337 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.93 | 21,354 |
| All Cities in India with Population of 1 Million | 0 | - | 4.79 | 33,028 |
| Asian Coastal Capitals | 0 | - | 4.55 | 17,777 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 55,535 |
| Most-Visited Countries by Japanese | 0 | - | 4.94 | 45,040 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.46 | 42,630 |
| Biggest Trading Partners - China | 0 | - | 4.95 | 49,757 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.91 | 76,245 |
| Two Largest Cities by First Two Letters | 0 | - | 4.65 | 56,382 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,647 |
| Chinese Geography on the Map | 0 | - | 4.53 | 18,797 |
| Most Guessed Asian Capitals | 0 | - | 4.43 | 41,010 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.72 | 62,248 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,401 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.53 | 43,483 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,604 |
| Flags of Countries that Border China | 0 | - | 4.91 | 69,662 |
| Closest Countries to North Korea | 0 | - | 4.94 | 94,212 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 262,552 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.92 | 80,014 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 62,002 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,660 |
| Ten Southernmost Megacities | 0 | - | 4.82 | 42,173 |
| Which City in the Middle East? | 0 | - | 4.46 | 46,144 |
| Japan by Picture | 0 | - | 4.35 | 22,445 |
| China by Picture | 0 | - | 4.55 | 45,228 |
| Countries that Visit Japan the Most | 0 | - | 4.89 | 60,970 |
| 500 Biggest US Cities | 0 | - | 4.88 | 76,547 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,511 |
| Saint Lucia Country Quiz | 0 | - | 4.57 | 13,946 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 54,623 |
| Random Asian Capital to Country | 0 | - | 4.97 | 63,380 |
| Random Asian Country to Capital | 0 | - | 4.92 | 64,819 |
| Countries that Beat China | 0 | - | 4.68 | 74,167 |
| Countries that Beat Japan | 0 | - | 4.28 | 41,606 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 32,126 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.84 | 45,634 |
| Taiwan Country Quiz | 0 | - | 4.86 | 31,313 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.90 | 51,579 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 80,760 |
| China Multiple Choice | 0 | - | 4.42 | 32,288 |
| Japan Multiple Choice | 0 | - | 4.47 | 34,728 |
| Asian Cities by Wikipedia Descriptions | 0 | - | 4.48 | 21,922 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.58 | 21,761 |
| Countries Closest to Taiwan | 0 | - | 4.86 | 67,706 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.63 | 27,666 |
