| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.91 | 767,230 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,447,134 |
| Biggest Cities in Texas | 0 | - | 4.23 | 107,227 |
| Biggest Cities in Washington State | 0 | - | 4.38 | 26,926 |
| Biggest Urban Areas in the UK | 0 | - | 4.38 | 162,412 |
| Biggest Cities in New Jersey | 0 | - | 4.04 | 23,840 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 308,697 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.84 | 104,426 |
| Biggest Cities by Language | 0 | - | 4.95 | 205,340 |
| Biggest Nordic Cities | 0 | - | 4.36 | 58,579 |
| Biggest Mediterranean Cities | 0 | - | 4.61 | 72,690 |
| Biggest Cities in Japan | 0 | - | 4.68 | 71,762 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 148,622 |
| Biggest Cities in Russia | 0 | - | 4.46 | 73,313 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 46,050 |
| Biggest Cities in Poland | 0 | - | 4.55 | 44,685 |
| Countries that Border China | 0 | - | 4.96 | 223,891 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.39 | 12,159 |
| Biggest Cities Starting With A | 0 | - | 4.49 | 106,503 |
| Biggest Cities Starting With B | 0 | - | 4.29 | 140,673 |
| Biggest Cities Starting With D | 0 | - | 4.48 | 102,669 |
| Biggest Cities Starting With L | 0 | - | 4.41 | 104,134 |
| Biggest Cities Starting With M | 0 | - | 4.52 | 121,657 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 108,382 |
| Biggest Cities in Mexico | 0 | - | 4.53 | 23,782 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.35 | 79,429 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.34 | 66,342 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.21 | 74,287 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.11 | 80,205 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.09 | 63,896 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.13 | 59,668 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.12 | 19,826 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.84 | 54,568 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.17 | 57,957 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.26 | 65,188 |
| Biggest U.S. Cities A-Z | 0 | - | 4.59 | 117,403 |
| Biggest World Cities A-Z | 0 | - | 4.37 | 176,973 |
| Biggest Cities in France | 0 | - | 4.48 | 176,360 |
| Biggest Cities in Spain | 0 | - | 4.50 | 144,597 |
| Biggest Cities in Italy | 0 | - | 4.61 | 205,083 |
| Biggest Cities in California | 0 | - | 4.34 | 125,808 |
| Biggest Cities in Florida | 0 | - | 4.17 | 64,800 |
| Biggest Cities in the World Quiz | 0 | - | 4.82 | 619,955 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 22,010 |
| Biggest Cities in Africa Quiz | 0 | - | 4.89 | 88,764 |
| Biggest Cities in Ohio | 0 | - | 4.35 | 44,090 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 46,837 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 31,417 |
| Biggest Cities in New York State | 0 | - | 4.24 | 53,921 |
| Biggest Cities in Europe | 0 | - | 4.50 | 431,855 |
| Biggest Cities in Indiana | 0 | - | 4.25 | 18,930 |
| Biggest Cities in Tennessee | 0 | - | 4.22 | 18,482 |
| Biggest Cities in Canada | 0 | - | 4.62 | 115,277 |
| Japanese Loanwords | 0 | - | 4.44 | 63,131 |
| Biggest Cities in Sweden | 0 | - | 4.84 | 34,973 |
| Countries Bordering China Since 1914 | 0 | - | 4.90 | 84,207 |
| Asia Capitals Quiz | 0 | - | 4.98 | 552,626 |
| Biggest Cities in China | 0 | - | 4.43 | 128,805 |
| Asian Cities by Clue | 0 | - | 4.68 | 24,240 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 41,220 |
| Biggest Cities in Germany | 0 | - | 4.94 | 246,907 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.39 | 57,936 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 143,573 |
| Biggest City in Every Country | 0 | - | 4.97 | 72,919 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 17,508 |
| Biggest Cities in Colorado | 0 | - | 4.02 | 28,835 |
| Biggest Cities in Arizona | 0 | - | 4.20 | 27,051 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 21,914 |
| Biggest Cities in Illinois | 0 | - | 4.31 | 23,354 |
| Biggest Cities in North Carolina | 0 | - | 4.53 | 30,573 |
| Biggest Cities in Wisconsin | 0 | - | 4.42 | 22,356 |
| Biggest Cities in Georgia | 0 | - | 3.82 | 20,762 |
| Biggest Cities in Massachusetts | 0 | - | 4.34 | 26,165 |
| Biggest Cities in Missouri | 0 | - | 4.19 | 15,253 |
| Biggest Cities in Oregon | 0 | - | 4.06 | 17,911 |
| Biggest Cities in Alaska | 0 | - | 4.26 | 22,570 |
| Biggest English Cities by Century | 0 | - | 4.93 | 94,337 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 41,653 |
| Biggest European Cities by Letter | 0 | - | 4.47 | 114,968 |
| Biggest Cities in India | 0 | - | 4.60 | 59,558 |
| Biggest Cities in Asia | 0 | - | 4.92 | 91,180 |
| Japanese Prefectures | 0 | - | 4.97 | 94,395 |
| Japan Country Quiz | 0 | - | 4.90 | 112,304 |
| Asia Capital to Country | 0 | - | 4.95 | 101,321 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 62,964 |
| Five Biggest Cities by Country | 0 | - | 4.52 | 145,148 |
| China Cities Map Quiz | 0 | - | 4.81 | 83,976 |
| Provinces of China Map Quiz | 0 | - | 4.95 | 79,976 |
| Provinces of China | 0 | - | 4.97 | 137,528 |
| South Korea Country Quiz | 0 | - | 4.61 | 67,627 |
| Hong Kong Facts | 0 | - | 4.42 | 27,064 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 59,326 |
| Countries of the Japanese Empire | 0 | - | 4.97 | 83,083 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.51 | 61,442 |
| Biggest Cities in Portugal | 0 | - | 4.36 | 17,794 |
| Countries Closest to Japan | 0 | - | 4.94 | 121,404 |
| Most Populous World Capitals | 0 | - | 4.89 | 134,534 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 27,361 |
| Biggest European Cities by Century | 0 | - | 4.96 | 113,545 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 77,075 |
| U.S. Cities by Hispanic Population | 0 | - | 4.24 | 23,886 |
| Overseas Chinese Population | 0 | - | 4.54 | 38,744 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.93 | 66,374 |
| China A-Z | 0 | - | 4.52 | 56,597 |
| Japan A-Z | 0 | - | 4.45 | 36,629 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.62 | 62,351 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 64,292 |
| Cities of Ireland | 0 | - | 4.42 | 37,874 |
| Four Main Islands of Japan | 0 | - | 4.47 | 22,911 |
| Largest Cities in Alexander's Empire | 0 | - | 4.47 | 37,615 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 157,977 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 86,651 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.80 | 49,045 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 126,017 |
| Cities of China (With Some Help) | 0 | - | 4.87 | 26,723 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.90 | 40,831 |
| Biggest Cities with Exceptions | 0 | - | 4.85 | 46,208 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 137,039 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.84 | 42,325 |
| Asian Capitals - Map Quiz | 0 | - | 4.96 | 46,617 |
| Biggest Cities in the UK | 0 | - | 4.41 | 86,684 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 88,213 |
| Asian Cities by Map #1 | 0 | - | 4.49 | 38,096 |
| Megacities on a World Map | 0 | - | 4.98 | 211,356 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 188,153 |
| Asian Capitals by Map | 0 | - | 4.98 | 40,544 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 102,821 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.86 | 79,487 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.76 | 41,647 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 86,638 |
| Cities of the Pearl River Delta | 0 | - | 4.61 | 13,998 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 348,015 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.31 | 34,555 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 53,182 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.45 | 36,765 |
| World Capitals Closest to Bangkok | 0 | - | 4.92 | 36,933 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 483,637 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.20 | 78,011 |
| Megacities on an Empty Map | 0 | - | 4.96 | 83,054 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.88 | 44,597 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.58 | 12,719 |
| Middle East Capital Cities Quiz | 0 | - | 4.95 | 74,324 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 57,269 |
| Southeast Asian Cities by Map | 0 | - | 4.68 | 24,086 |
| Biggest Mongol Empire Countries | 0 | - | 4.90 | 64,760 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 59,226 |
| All Cities in China with Population of 1 Million | 0 | - | 4.54 | 34,941 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.93 | 25,690 |
| All Cities in India with Population of 1 Million | 0 | - | 4.82 | 37,528 |
| Asian Coastal Capitals | 0 | - | 4.52 | 19,453 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.94 | 60,412 |
| Most-Visited Countries by Japanese | 0 | - | 4.94 | 50,208 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 48,691 |
| Biggest Trading Partners - China | 0 | - | 4.97 | 66,959 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.91 | 80,705 |
| U.S. States by Second Most Populous City | 0 | - | 4.41 | 38,445 |
| Chinese Geography on the Map | 0 | - | 4.53 | 21,036 |
| Most Guessed Asian Capitals | 0 | - | 4.49 | 61,046 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.70 | 65,974 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.47 | 57,115 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.60 | 54,153 |
| Biggest Cities in Deserts | 0 | - | 4.93 | 40,359 |
| Flags of Countries that Border China | 0 | - | 4.91 | 76,404 |
| Closest Countries to North Korea | 0 | - | 4.90 | 99,591 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 285,956 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.89 | 89,563 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 66,169 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 32,685 |
| Ten Southernmost Megacities | 0 | - | 4.82 | 44,606 |
| Which City in Asia? | 0 | - | 4.44 | 38,205 |
| Which City in the Middle East? | 0 | - | 4.48 | 48,680 |
| Japan by Picture | 0 | - | 4.41 | 24,659 |
| China by Picture | 0 | - | 4.50 | 50,298 |
| Countries that Visit Japan the Most | 0 | - | 4.92 | 65,969 |
| 500 Biggest US Cities | 0 | - | 4.84 | 87,878 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 27,829 |
| Saint Lucia Country Quiz | 0 | - | 4.60 | 15,330 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 72,726 |
| Random Asian Capital to Country | 0 | - | 4.96 | 82,076 |
| Random Asian Country to Capital | 0 | - | 4.90 | 80,323 |
| Countries that Beat China | 0 | - | 4.51 | 93,851 |
| Countries that Beat Japan | 0 | - | 4.35 | 56,942 |
| Biggest Cities in France - Extreme | 0 | - | 4.86 | 38,369 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.70 | 56,684 |
| Random Asian City to Country | 0 | - | 4.42 | 32,610 |
| Taiwan Country Quiz | 0 | - | 4.82 | 37,521 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.86 | 66,653 |
| Countries of the Mongol Empire on a Map | 0 | - | 4.99 | 87,590 |
| China Multiple Choice | 0 | - | 4.41 | 34,095 |
| Japan Multiple Choice | 0 | - | 4.45 | 36,457 |
| Asian Cities by Wikipedia Descriptions | 0 | - | 4.55 | 23,369 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.57 | 23,492 |
| Countries Closest to Taiwan | 0 | - | 4.80 | 71,392 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.56 | 32,648 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.88 | 55,933 |
| Random Asian Capitals on a Map | 0 | - | 4.83 | 42,299 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 30,547 |
| Largest Nordic Cities on a Map | 0 | - | 4.52 | 17,727 |
| Turkmenistan Country Quiz | 0 | - | 4.76 | 21,438 |
| Hong Kong A-Z | 0 | - | 4.52 | 12,972 |
