| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.93 | 704,754 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,331,779 |
| Biggest Cities in Texas | 0 | - | 4.20 | 94,735 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,812 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,462 |
| Biggest Cities in New Jersey | 0 | - | 3.97 | 22,048 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 286,848 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.54 | 89,509 |
| Biggest English-Speaking Cities | 0 | - | 4.39 | 127,539 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.82 | 98,856 |
| Biggest Cities by Language | 0 | - | 4.95 | 193,313 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,402 |
| Biggest Mediterranean Cities | 0 | - | 4.73 | 69,113 |
| Biggest Cities in Japan | 0 | - | 4.73 | 66,323 |
| Biggest US Cities by Decade | 0 | - | 4.93 | 132,457 |
| Biggest Cities in Russia | 0 | - | 4.48 | 68,551 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 41,395 |
| Biggest Cities in Poland | 0 | - | 4.73 | 39,933 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.36 | 10,604 |
| Biggest Cities Starting With A | 0 | - | 4.54 | 86,575 |
| Biggest Cities Starting With B | 0 | - | 4.38 | 120,488 |
| Biggest Cities Starting With D | 0 | - | 4.46 | 84,430 |
| Biggest Cities Starting With H | 0 | - | 4.49 | 75,089 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 84,581 |
| Biggest Cities Starting With M | 0 | - | 4.47 | 98,251 |
| Biggest Cities Starting With P | 0 | - | 4.44 | 87,122 |
| Biggest Cities in Mexico | 0 | - | 4.51 | 20,866 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.36 | 74,856 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.31 | 62,251 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 70,061 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 76,327 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.10 | 61,229 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.09 | 57,103 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 17,804 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.81 | 52,633 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,317 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,210 |
| Biggest U.S. Cities A-Z | 0 | - | 4.53 | 108,758 |
| Biggest World Cities A-Z | 0 | - | 4.38 | 166,413 |
| Biggest Cities in France | 0 | - | 4.50 | 160,730 |
| Biggest Cities in Spain | 0 | - | 4.65 | 132,247 |
| Biggest Cities in Italy | 0 | - | 4.57 | 188,290 |
| Biggest Cities in California | 0 | - | 4.32 | 119,568 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,229 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 568,780 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,775 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 83,824 |
| Biggest Cities in Ohio | 0 | - | 4.33 | 41,183 |
| Biggest Cities in The Netherlands | 0 | - | 4.42 | 33,532 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 29,813 |
| Biggest Cities in New York State | 0 | - | 4.23 | 51,099 |
| Biggest Cities in Europe | 0 | - | 4.57 | 402,237 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,431 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,188 |
| Countries that Border Iraq | 0 | - | 4.96 | 91,016 |
| Biggest Cities in Canada | 0 | - | 4.56 | 108,184 |
| Countries Bordering Iran | 0 | - | 4.84 | 78,915 |
| Biggest Cities in Sweden | 0 | - | 4.67 | 24,433 |
| Asia Capitals Quiz | 0 | - | 4.97 | 499,175 |
| Countries Bordering Saudi Arabia | 0 | - | 4.95 | 98,562 |
| Countries Bordering Turkey | 0 | - | 4.99 | 96,011 |
| Biggest Cities in China | 0 | - | 4.41 | 117,493 |
| Asian Cities by Clue | 0 | - | 4.66 | 22,317 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 38,962 |
| Biggest Cities in Germany | 0 | - | 4.94 | 225,385 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,295 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 134,074 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,562 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 16,292 |
| Biggest Cities in Colorado | 0 | - | 3.97 | 27,009 |
| Biggest Cities in Arizona | 0 | - | 4.24 | 24,659 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,254 |
| Biggest Cities in Illinois | 0 | - | 4.29 | 21,374 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,663 |
| Biggest Cities in Wisconsin | 0 | - | 4.41 | 20,498 |
| Biggest Cities in Georgia | 0 | - | 3.72 | 19,328 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,094 |
| Biggest Cities in Missouri | 0 | - | 4.18 | 14,145 |
| Biggest Cities in Oregon | 0 | - | 4.02 | 16,605 |
| Biggest Cities in Alaska | 0 | - | 4.38 | 16,715 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.42 | 78,040 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,229 |
| Biggest Cities in Switzerland | 0 | - | 4.55 | 38,075 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 109,487 |
| Biggest Cities in India | 0 | - | 4.52 | 54,644 |
| Biggest Cities in Asia | 0 | - | 4.87 | 85,532 |
| Asia Capital to Country | 0 | - | 4.96 | 95,378 |
| Biggest Cities in History | 0 | - | 4.49 | 70,098 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,103 |
| Five Biggest Cities by Country | 0 | - | 4.76 | 121,967 |
| Turkey Country Quiz | 0 | - | 4.22 | 54,893 |
| Egypt Country Quiz | 0 | - | 4.53 | 59,135 |
| Iran Country Quiz | 0 | - | 4.42 | 42,151 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,073 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,044 |
| Countries in the Ottoman Empire | 0 | - | 4.92 | 50,463 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.49 | 51,736 |
| Countries Closest to Israel | 0 | - | 4.92 | 88,095 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 15,848 |
| Emirates of the United Arab Emirates | 0 | - | 4.51 | 14,299 |
| Countries Closest to Turkey | 0 | - | 4.95 | 93,283 |
| Most Populous World Capitals | 0 | - | 4.89 | 127,586 |
| World Capitals Closest to Jerusalem | 0 | - | 4.40 | 40,411 |
| Countries Closest to the Persian Gulf | 0 | - | 4.91 | 63,090 |
| Middle East Map Quiz | 0 | - | 4.99 | 1,166,661 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,351 |
| Byzantine History | 0 | - | 4.64 | 23,233 |
| Biggest European Cities by Century | 0 | - | 4.97 | 104,730 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 71,753 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,821 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.91 | 58,930 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,451 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 57,906 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.73 | 55,203 |
| Cities of Ireland | 0 | - | 4.39 | 35,566 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,734 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 145,429 |
| Jordan Country Quiz | 0 | - | 4.82 | 22,867 |
| Countries Closest to Cyprus | 0 | - | 4.56 | 22,053 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 72,778 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,224 |
| Countries Closest to Egypt | 0 | - | 4.82 | 71,567 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.92 | 117,705 |
| Cities of China (With Some Help) | 0 | - | 4.77 | 23,348 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 33,683 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 42,548 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 126,532 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.88 | 32,282 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 39,790 |
| Biggest Cities in the UK | 0 | - | 4.42 | 79,357 |
| Countries of the Middle East | 0 | - | 4.96 | 147,443 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.93 | 81,380 |
| Asian Cities by Map #1 | 0 | - | 4.49 | 29,726 |
| Megacities on a World Map | 0 | - | 4.97 | 198,415 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 153,256 |
| Asian Capitals by Map | 0 | - | 4.98 | 28,988 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 94,037 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 72,772 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,490 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.93 | 73,476 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 300,336 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,164 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 49,834 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.54 | 34,556 |
| World Capitals Closest to Bangkok | 0 | - | 4.94 | 34,187 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 431,959 |
| Countries with the Most Arabic Speakers | 0 | - | 4.92 | 61,442 |
| Megacities on an Empty Map | 0 | - | 4.96 | 76,779 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.86 | 41,120 |
| Middle East Capital Cities Quiz | 0 | - | 4.95 | 62,600 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 51,690 |
| Southeast Asian Cities by Map | 0 | - | 4.54 | 17,501 |
| All 3M Cities on the World Map | 0 | - | 4.93 | 53,432 |
| All Cities in China with Population of 1 Million | 0 | - | 4.65 | 27,082 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 20,420 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 28,899 |
| Asian Coastal Capitals | 0 | - | 4.54 | 17,587 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 54,927 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 42,121 |
| Biggest Trading Partners - Turkey | 0 | - | 4.79 | 28,081 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.91 | 75,719 |
| Two Largest Cities by First Two Letters | 0 | - | 4.65 | 55,960 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,417 |
| Lebanon Country Quiz | 0 | - | 4.47 | 25,957 |
| Most Guessed Asian Capitals | 0 | - | 4.43 | 40,707 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.71 | 61,845 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,108 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.52 | 43,180 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,303 |
| Flags of the Middle East | 0 | - | 4.81 | 43,061 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 259,925 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.93 | 78,998 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,585 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,470 |
| Countries Surrounding Istanbul | 0 | - | 4.90 | 17,360 |
| Provinces of Turkey | 0 | - | 4.92 | 147,113 |
| Arab Spring Countries | 0 | - | 4.44 | 36,857 |
| Which City in the Middle East? | 0 | - | 4.46 | 45,862 |
| 500 Biggest US Cities | 0 | - | 4.90 | 75,162 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,347 |
| Saint Lucia Country Quiz | 0 | - | 4.64 | 13,784 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 53,949 |
| Random Asian Capital to Country | 0 | - | 4.97 | 62,757 |
| Random Asian Country to Capital | 0 | - | 4.92 | 64,203 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 31,516 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.82 | 44,704 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 50,379 |
| Countries in the Byzantine Empire | 0 | - | 4.88 | 49,070 |
| Yemen Country Quiz | 0 | - | 4.55 | 22,874 |
| Kuwait Country Quiz | 0 | - | 4.74 | 17,185 |
| Asian Cities by Wikipedia Descriptions | 0 | - | 4.48 | 21,752 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.58 | 21,581 |
| Geography of Egypt | 0 | - | 4.57 | 17,236 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.57 | 27,146 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.82 | 41,683 |
| Random Asian Capitals on a Map | 0 | - | 4.71 | 38,160 |
| Bahrain Country Quiz | 0 | - | 4.58 | 16,071 |
| Biggest Cities in Australia on a Map | 0 | - | 4.58 | 26,907 |
| Largest Nordic Cities on a Map | 0 | - | 4.48 | 15,438 |
| Syria Country Quiz | 0 | - | 4.65 | 23,079 |
