| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.93 | 705,805 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,333,929 |
| Biggest Cities in Texas | 0 | - | 4.20 | 94,832 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,858 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,164,447 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,562 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 287,207 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.54 | 89,642 |
| Biggest English-Speaking Cities | 0 | - | 4.39 | 127,622 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.84 | 98,943 |
| Biggest Cities by Language | 0 | - | 4.95 | 193,501 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,435 |
| Biggest Mediterranean Cities | 0 | - | 4.73 | 69,184 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 305,997 |
| Jewish Cities Quiz | 0 | - | 4.31 | 55,693 |
| Biggest Cities in Japan | 0 | - | 4.73 | 66,400 |
| Biggest US Cities by Decade | 0 | - | 4.93 | 132,586 |
| Biggest Cities in Russia | 0 | - | 4.48 | 68,632 |
| Fastest Growing U.S. Cities | 0 | - | 4.26 | 58,114 |
| Countries that Start with A | 0 | - | 4.96 | 1,624,480 |
| Countries that Start with B | 0 | - | 4.94 | 1,762,014 |
| Countries that Start with C | 0 | - | 4.95 | 1,396,158 |
| Countries that Start with D | 0 | - | 4.96 | 461,576 |
| Countries that Start with E | 0 | - | 4.93 | 1,029,457 |
| Countries that Start with G | 0 | - | 4.95 | 1,126,659 |
| Countries that Start with H | 0 | - | 4.92 | 388,861 |
| Countries that Start with I | 0 | - | 4.90 | 973,883 |
| Countries that Start with J | 0 | - | 4.96 | 392,164 |
| Countries that Start with K | 0 | - | 4.95 | 569,332 |
| Countries that Start with L | 0 | - | 4.98 | 810,866 |
| Countries that Start with N | 0 | - | 4.90 | 832,121 |
| Countries that Start with P | 0 | - | 4.94 | 919,587 |
| Countries that Start with S | 0 | - | 4.97 | 1,352,581 |
| Countries that Start with T | 0 | - | 4.89 | 756,667 |
| Countries that Start with U | 0 | - | 4.97 | 682,659 |
| Countries that Start with V | 0 | - | 4.97 | 454,757 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 41,479 |
| Countries that Start with M | 0 | - | 4.95 | 1,057,450 |
| Biggest Cities in Poland | 0 | - | 4.73 | 40,015 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.36 | 10,616 |
| Biggest Cities Starting With A | 0 | - | 4.54 | 86,736 |
| Biggest Cities Starting With B | 0 | - | 4.38 | 120,679 |
| Biggest Cities Starting With D | 0 | - | 4.46 | 84,549 |
| Biggest Cities Starting With H | 0 | - | 4.48 | 75,237 |
| Biggest Cities Starting With K | 0 | - | 4.35 | 63,290 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 84,744 |
| Biggest Cities Starting With M | 0 | - | 4.47 | 98,438 |
| Biggest Cities Starting With P | 0 | - | 4.44 | 87,309 |
| Biggest Cities Starting With S | 0 | - | 4.34 | 92,504 |
| Biggest Cities Starting With T | 0 | - | 4.25 | 93,033 |
| Biggest Cities in Mexico | 0 | - | 4.51 | 20,920 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.34 | 74,934 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.31 | 62,320 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 70,128 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 76,387 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.10 | 61,270 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.09 | 57,141 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 17,839 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.81 | 52,669 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,369 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,252 |
| Biggest U.S. Cities A-Z | 0 | - | 4.53 | 108,875 |
| Biggest World Cities A-Z | 0 | - | 4.38 | 166,579 |
| Biggest Cities in France | 0 | - | 4.51 | 161,017 |
| Biggest Cities in Spain | 0 | - | 4.64 | 132,447 |
| Biggest Cities in Italy | 0 | - | 4.57 | 188,520 |
| Biggest Cities in California | 0 | - | 4.30 | 119,685 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,281 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 569,687 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,809 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 83,915 |
| Biggest Cities in Ohio | 0 | - | 4.33 | 41,222 |
| Biggest Cities in The Netherlands | 0 | - | 4.42 | 33,604 |
| Biggest Cities in New York State | 0 | - | 4.23 | 51,145 |
| Biggest Cities in Europe | 0 | - | 4.56 | 402,743 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,465 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,223 |
| Biggest Cities in Canada | 0 | - | 4.56 | 108,541 |
| Biggest Cities in Sweden | 0 | - | 4.71 | 24,479 |
| Countries with the Highest Population Density | 0 | - | 4.88 | 131,144 |
| Biggest Cities in China | 0 | - | 4.41 | 117,787 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 38,997 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 126,355 |
| Biggest Cities in Germany | 0 | - | 4.94 | 225,738 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,341 |
| Second Biggest Cities Quiz | 0 | - | 4.19 | 36,547 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 134,245 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,646 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 16,312 |
| Biggest Cities in Arizona | 0 | - | 4.24 | 24,702 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,278 |
| Biggest Cities in Illinois | 0 | - | 4.30 | 21,412 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,713 |
| Biggest Cities in Wisconsin | 0 | - | 4.41 | 20,544 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,123 |
| Biggest Cities in Missouri | 0 | - | 4.18 | 14,164 |
| Biggest Cities in Oregon | 0 | - | 4.02 | 16,646 |
| Biggest Cities in Alaska | 0 | - | 4.39 | 16,759 |
| Biggest City by Time Zone | 0 | - | 4.74 | 49,700 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.42 | 78,084 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,376 |
| Biggest Cities in Switzerland | 0 | - | 4.55 | 38,131 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 109,566 |
| Most Populous Countries in 2050 | 0 | - | 4.92 | 173,034 |
| Biggest Cities in India | 0 | - | 4.52 | 54,714 |
| Biggest Cities in Asia | 0 | - | 4.87 | 85,745 |
| Biggest City by Island | 0 | - | 4.49 | 42,126 |
| Most Populous Countries in 1900 | 0 | - | 4.86 | 146,758 |
| Biggest Cities in History | 0 | - | 4.49 | 70,289 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 39,756 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.29 | 37,823 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,182 |
| Five Biggest Cities by Country | 0 | - | 4.76 | 122,132 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,127 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,099 |
| Biggest Coastal City by Country | 0 | - | 4.56 | 23,974 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.49 | 51,778 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 15,881 |
| Most Populous World Capitals | 0 | - | 4.89 | 127,687 |
| Biggest City by Region | 0 | - | 4.50 | 29,002 |
| Most Populous 2nd Cities | 0 | - | 4.52 | 39,085 |
| Biggest City by Region #2 | 0 | - | 4.46 | 19,732 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,390 |
| Biggest European Cities by Century | 0 | - | 4.97 | 104,868 |
| Capitals of Most Populated Countries | 0 | - | 4.97 | 107,443 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 113,064 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 224,188 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,844 |
| Biggest Cities by Latitude | 0 | - | 4.73 | 24,032 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.91 | 59,015 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 39,284 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,520 |
| Biggest Axis-Controlled Cities | 0 | - | 4.24 | 31,464 |
| Biggest Two-Word Cities | 0 | - | 4.71 | 33,787 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 58,046 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.73 | 55,323 |
| Cities of Ireland | 0 | - | 4.39 | 35,604 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,769 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 145,658 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 72,900 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,271 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.92 | 117,859 |
| Cities of China (With Some Help) | 0 | - | 4.77 | 23,421 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 33,753 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 42,608 |
| Top 50 Countries by Population - In Order | 0 | - | 4.96 | 217,046 |
| Countries with Megacities | 0 | - | 4.99 | 172,952 |
| Countries of Europe by Population | 0 | - | 4.98 | 108,092 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 167,743 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 126,729 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 122,739 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.89 | 32,336 |
| Biggest Cities in the UK | 0 | - | 4.42 | 79,489 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 81,491 |
| Biggest World Cities in 1850 | 0 | - | 4.52 | 47,460 |
| Megacities on a World Map | 0 | - | 4.97 | 198,883 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 153,546 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.78 | 48,730 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 94,181 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 72,889 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,559 |
| Ten Northernmost Megacities | 0 | - | 4.41 | 44,003 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.93 | 73,577 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 300,966 |
| Countries With More than 50 Million People | 0 | - | 4.98 | 124,667 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,203 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 49,897 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.88 | 175,694 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.54 | 34,602 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.44 | 35,821 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 432,684 |
| Megacities on an Empty Map | 0 | - | 4.96 | 76,910 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 51,803 |
| All 3M Cities on the World Map | 0 | - | 4.93 | 53,576 |
| All Cities in China with Population of 1 Million | 0 | - | 4.65 | 27,290 |
| Northernmost Major City by Country | 0 | - | 4.50 | 28,050 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 20,633 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 29,565 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 55,019 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 42,241 |
| Two Largest Cities by First Two Letters | 0 | - | 4.65 | 56,036 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,450 |
| Largest World Capitals with Exceptions | 0 | - | 4.65 | 37,354 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.71 | 61,917 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,167 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.52 | 43,228 |
| Biggest Cities Near a Border | 0 | - | 4.12 | 14,512 |
| Flags of the Countries that Start with I | 0 | - | 4.95 | 116,154 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,352 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 260,348 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.93 | 79,152 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,659 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,496 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 111,989 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.33 | 22,114 |
| Ten Southernmost Megacities | 0 | - | 4.67 | 32,311 |
| Biggest Cities by Trait #2 | 0 | - | 4.31 | 12,239 |
| Flags to Largest Cities | 0 | - | 4.55 | 22,790 |
| 500 Biggest US Cities | 0 | - | 4.90 | 75,406 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,379 |
