| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.93 | 703,884 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,329,986 |
| World Capitals Quiz | 0 | - | 5.00 | 3,899,543 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,175,113 |
| South America Capitals Quiz | 0 | - | 4.99 | 358,392 |
| Biggest Cities in Texas | 0 | - | 4.20 | 94,695 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,788 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,162,003 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,391 |
| Biggest Cities in New Jersey | 0 | - | 3.97 | 22,035 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 286,585 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.55 | 89,406 |
| Biggest English-Speaking Cities | 0 | - | 4.39 | 127,484 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.82 | 98,796 |
| Biggest Cities by Language | 0 | - | 4.95 | 193,172 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,371 |
| Biggest Mediterranean Cities | 0 | - | 4.73 | 69,069 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 305,500 |
| Jewish Cities Quiz | 0 | - | 4.31 | 55,621 |
| Biggest Cities in Japan | 0 | - | 4.73 | 66,244 |
| Biggest US Cities by Decade | 0 | - | 4.93 | 132,364 |
| Biggest Cities in Russia | 0 | - | 4.48 | 68,499 |
| Fastest Growing U.S. Cities | 0 | - | 4.26 | 58,083 |
| Africa Capitals Quiz | 0 | - | 4.99 | 524,099 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 106,991 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 41,337 |
| Biggest Cities in Poland | 0 | - | 4.73 | 39,884 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.35 | 10,582 |
| Biggest Cities Starting With A | 0 | - | 4.54 | 86,445 |
| Biggest Cities Starting With B | 0 | - | 4.39 | 120,252 |
| Biggest Cities Starting With C | 0 | - | 3.99 | 79,073 |
| Biggest Cities Starting With D | 0 | - | 4.46 | 84,346 |
| Biggest Cities Starting With H | 0 | - | 4.49 | 74,975 |
| Biggest Cities Starting With K | 0 | - | 4.35 | 63,160 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 84,467 |
| Biggest Cities Starting With M | 0 | - | 4.47 | 98,115 |
| Biggest Cities Starting With P | 0 | - | 4.44 | 86,991 |
| Biggest Cities Starting With S | 0 | - | 4.34 | 92,211 |
| Biggest Cities Starting With T | 0 | - | 4.25 | 92,408 |
| Biggest Cities in Mexico | 0 | - | 4.51 | 20,815 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.36 | 74,413 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.31 | 62,083 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 69,896 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 75,899 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.10 | 61,140 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.09 | 57,019 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 17,732 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.81 | 52,577 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,231 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,124 |
| Biggest U.S. Cities A-Z | 0 | - | 4.53 | 108,654 |
| Biggest World Cities A-Z | 0 | - | 4.38 | 166,288 |
| Biggest Cities in France | 0 | - | 4.50 | 160,539 |
| Biggest Cities in Spain | 0 | - | 4.65 | 132,085 |
| Biggest Cities in Italy | 0 | - | 4.57 | 188,084 |
| Biggest Cities in California | 0 | - | 4.32 | 119,512 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,199 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 568,173 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,752 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 83,776 |
| Biggest Cities in Ohio | 0 | - | 4.33 | 41,157 |
| Biggest Cities in The Netherlands | 0 | - | 4.42 | 33,482 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 29,794 |
| Biggest Cities in New York State | 0 | - | 4.23 | 51,072 |
| Biggest Cities in Europe | 0 | - | 4.57 | 401,871 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,416 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,172 |
| Biggest Cities in Canada | 0 | - | 4.56 | 108,108 |
| Biggest Cities in Sweden | 0 | - | 4.67 | 24,394 |
| North America Capitals Quiz | 0 | - | 4.99 | 153,729 |
| Capitals of Oceania Quiz | 0 | - | 4.98 | 183,713 |
| Asia Capitals Quiz | 0 | - | 4.97 | 498,294 |
| Biggest Cities in China | 0 | - | 4.41 | 117,343 |
| Summer Olympics Host Cities | 0 | - | 4.97 | 160,368 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 38,938 |
| Biggest Cities in Germany | 0 | - | 4.94 | 225,109 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,253 |
| Capitals in their Native Languages | 0 | - | 4.93 | 106,112 |
| Second Biggest Cities Quiz | 0 | - | 4.19 | 36,508 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 133,979 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,509 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 16,279 |
| Biggest Cities in Colorado | 0 | - | 3.97 | 26,992 |
| Biggest Cities in Arizona | 0 | - | 4.24 | 24,642 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,241 |
| Biggest Cities in Illinois | 0 | - | 4.29 | 21,356 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,636 |
| Biggest Cities in Wisconsin | 0 | - | 4.41 | 20,470 |
| Biggest Cities in Georgia | 0 | - | 3.72 | 19,317 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,076 |
| Biggest Cities in Missouri | 0 | - | 4.18 | 14,135 |
| Biggest Cities in Oregon | 0 | - | 4.00 | 16,589 |
| Biggest Cities in Alaska | 0 | - | 4.38 | 16,699 |
| Biggest City by Time Zone | 0 | - | 4.74 | 49,623 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.42 | 77,989 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,145 |
| Biggest Cities in Switzerland | 0 | - | 4.55 | 38,032 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 109,434 |
| Biggest Cities in India | 0 | - | 4.52 | 54,574 |
| Biggest Cities in Asia | 0 | - | 4.87 | 85,475 |
| Biggest City by Island | 0 | - | 4.49 | 42,046 |
| Official Cities in the UK | 0 | - | 4.89 | 196,219 |
| Biggest Cities in History | 0 | - | 4.49 | 69,999 |
| Biggest Cities by Trait #1 | 0 | - | 4.43 | 39,680 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.29 | 37,801 |
| Random Capital to Country | 0 | - | 4.99 | 2,063,213 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,051 |
| Random Country to Capital | 0 | - | 4.98 | 690,683 |
| Five Biggest Cities by Country | 0 | - | 4.76 | 121,844 |
| Coldest World Capitals | 0 | - | 4.97 | 104,985 |
| Europe Capital to Country | 0 | - | 4.99 | 198,254 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,029 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,005 |
| Biggest Coastal City by Country | 0 | - | 4.56 | 23,886 |
| Same Letter Country and Capital | 0 | - | 4.98 | 103,079 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.49 | 51,701 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 15,817 |
| Most Populous World Capitals | 0 | - | 4.89 | 127,519 |
| Biggest City by Region | 0 | - | 4.50 | 28,912 |
| Most Populous 2nd Cities | 0 | - | 4.53 | 38,935 |
| Biggest City by Region #2 | 0 | - | 4.46 | 19,658 |
| Solve the Secret Capital City | 0 | - | 4.82 | 125,400 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,318 |
| Biggest European Cities by Century | 0 | - | 4.97 | 104,618 |
| Capitals of Most Populated Countries | 0 | - | 4.97 | 107,249 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 223,753 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,811 |
| Biggest Cities by Latitude | 0 | - | 4.73 | 23,995 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.91 | 58,866 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 39,081 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.63 | 58,395 |
| Biggest Axis-Controlled Cities | 0 | - | 4.24 | 31,432 |
| Biggest Two-Word Cities | 0 | - | 4.71 | 33,658 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 57,846 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.73 | 55,134 |
| World Capitals by Map | 0 | - | 5.00 | 188,557 |
| Cities of Ireland | 0 | - | 4.39 | 35,537 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,710 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 145,288 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 72,707 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,190 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.92 | 117,609 |
| Cities of China (With Some Help) | 0 | - | 4.74 | 23,290 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 33,634 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 42,485 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.88 | 32,249 |
| Biggest Cities in the UK | 0 | - | 4.42 | 78,870 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.93 | 81,134 |
| World Capitals by Proximity | 0 | - | 4.91 | 262,571 |
| Biggest World Cities in 1850 | 0 | - | 4.52 | 47,360 |
| Megacities on a World Map | 0 | - | 4.97 | 198,209 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 153,105 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.78 | 48,636 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 93,966 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 72,704 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.84 | 38,447 |
| Ten Northernmost Megacities | 0 | - | 4.41 | 43,951 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.93 | 73,411 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 299,901 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 100,462 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,135 |
| U.S. State Capitals Map Quiz | 0 | - | 4.90 | 108,206 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.91 | 153,589 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 49,792 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.88 | 175,113 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.53 | 34,529 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.44 | 35,720 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 431,324 |
| Megacities on an Empty Map | 0 | - | 4.96 | 76,696 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 51,623 |
| All 3M Cities on the World Map | 0 | - | 4.93 | 53,309 |
| All Cities in China with Population of 1 Million | 0 | - | 4.65 | 26,939 |
| Northernmost Major City by Country | 0 | - | 4.50 | 28,006 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 20,120 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 28,834 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 54,823 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 42,047 |
| Two Largest Cities by First Two Letters | 0 | - | 4.65 | 55,898 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,394 |
| Largest World Capitals with Exceptions | 0 | - | 4.65 | 36,691 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.71 | 61,794 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,070 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.52 | 43,137 |
| Biggest Cities Near a Border | 0 | - | 4.12 | 14,481 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,269 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.96 | 259,606 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.93 | 78,897 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,532 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,443 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.33 | 22,070 |
| Ten Southernmost Megacities | 0 | - | 4.67 | 32,216 |
| Biggest Cities by Trait #2 | 0 | - | 4.30 | 12,176 |
| Flags to Largest Cities | 0 | - | 4.55 | 22,599 |
| 500 Biggest US Cities | 0 | - | 4.90 | 75,010 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,319 |
| Saint Lucia Country Quiz | 0 | - | 4.64 | 13,760 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 53,860 |
| Random European Capital to Country | 0 | - | 4.97 | 127,643 |
| Random European Country to Capital | 0 | - | 4.90 | 103,362 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 31,448 |
