| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.93 | 705,138 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,332,622 |
| World Capitals Quiz | 0 | - | 5.00 | 3,905,518 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,177,028 |
| South America Capitals Quiz | 0 | - | 4.99 | 359,089 |
| Biggest Cities in Texas | 0 | - | 4.20 | 94,777 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,831 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,163,565 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,502 |
| Biggest Cities in New Jersey | 0 | - | 3.97 | 22,058 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 286,954 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.54 | 89,568 |
| Biggest English-Speaking Cities | 0 | - | 4.39 | 127,567 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.82 | 98,892 |
| Biggest Cities by Language | 0 | - | 4.95 | 193,382 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,418 |
| Biggest Mediterranean Cities | 0 | - | 4.73 | 69,132 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 305,802 |
| Jewish Cities Quiz | 0 | - | 4.31 | 55,673 |
| Biggest Cities in Japan | 0 | - | 4.73 | 66,350 |
| Biggest US Cities by Decade | 0 | - | 4.93 | 132,496 |
| Biggest Cities in Russia | 0 | - | 4.48 | 68,580 |
| Fastest Growing U.S. Cities | 0 | - | 4.26 | 58,099 |
| Africa Capitals Quiz | 0 | - | 4.99 | 525,263 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 107,119 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 41,416 |
| Biggest Cities in Poland | 0 | - | 4.73 | 39,955 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.36 | 10,605 |
| Biggest Cities Starting With A | 0 | - | 4.54 | 86,653 |
| Biggest Cities Starting With B | 0 | - | 4.38 | 120,573 |
| Biggest Cities Starting With C | 0 | - | 3.99 | 79,170 |
| Biggest Cities Starting With D | 0 | - | 4.46 | 84,476 |
| Biggest Cities Starting With H | 0 | - | 4.49 | 75,149 |
| Biggest Cities Starting With K | 0 | - | 4.35 | 63,254 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 84,655 |
| Biggest Cities Starting With M | 0 | - | 4.47 | 98,329 |
| Biggest Cities Starting With P | 0 | - | 4.44 | 87,216 |
| Biggest Cities Starting With S | 0 | - | 4.34 | 92,428 |
| Biggest Cities Starting With T | 0 | - | 4.25 | 92,940 |
| Biggest Cities in Mexico | 0 | - | 4.51 | 20,883 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.36 | 74,886 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.31 | 62,280 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 70,087 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 76,355 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.10 | 61,247 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.09 | 57,115 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 17,823 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.81 | 52,650 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,340 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,230 |
| Biggest U.S. Cities A-Z | 0 | - | 4.53 | 108,791 |
| Biggest World Cities A-Z | 0 | - | 4.38 | 166,470 |
| Biggest Cities in France | 0 | - | 4.49 | 160,857 |
| Biggest Cities in Spain | 0 | - | 4.65 | 132,317 |
| Biggest Cities in Italy | 0 | - | 4.57 | 188,386 |
| Biggest Cities in California | 0 | - | 4.32 | 119,612 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,250 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 569,108 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,783 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 83,858 |
| Biggest Cities in Ohio | 0 | - | 4.33 | 41,200 |
| Biggest Cities in The Netherlands | 0 | - | 4.42 | 33,552 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 29,817 |
| Biggest Cities in New York State | 0 | - | 4.23 | 51,116 |
| Biggest Cities in Europe | 0 | - | 4.57 | 402,438 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,444 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,202 |
| Biggest Cities in Canada | 0 | - | 4.56 | 108,471 |
| Biggest Cities in Sweden | 0 | - | 4.67 | 24,446 |
| North America Capitals Quiz | 0 | - | 4.99 | 154,044 |
| Capitals of Oceania Quiz | 0 | - | 4.98 | 184,203 |
| Asia Capitals Quiz | 0 | - | 4.97 | 499,513 |
| Biggest Cities in China | 0 | - | 4.41 | 117,595 |
| Summer Olympics Host Cities | 0 | - | 4.97 | 160,553 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 38,977 |
| Biggest Cities in Germany | 0 | - | 4.94 | 225,521 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,313 |
| Capitals in their Native Languages | 0 | - | 4.93 | 106,218 |
| Second Biggest Cities Quiz | 0 | - | 4.19 | 36,532 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 134,131 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,592 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 16,300 |
| Biggest Cities in Colorado | 0 | - | 3.97 | 27,021 |
| Biggest Cities in Arizona | 0 | - | 4.24 | 24,673 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,260 |
| Biggest Cities in Illinois | 0 | - | 4.29 | 21,390 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,674 |
| Biggest Cities in Wisconsin | 0 | - | 4.41 | 20,513 |
| Biggest Cities in Georgia | 0 | - | 3.72 | 19,332 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,105 |
| Biggest Cities in Missouri | 0 | - | 4.18 | 14,149 |
| Biggest Cities in Oregon | 0 | - | 4.02 | 16,619 |
| Biggest Cities in Alaska | 0 | - | 4.38 | 16,734 |
| Biggest City by Time Zone | 0 | - | 4.74 | 49,668 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.42 | 78,051 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,274 |
| Biggest Cities in Switzerland | 0 | - | 4.55 | 38,098 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 109,514 |
| Biggest Cities in India | 0 | - | 4.52 | 54,662 |
| Biggest Cities in Asia | 0 | - | 4.87 | 85,618 |
| Biggest City by Island | 0 | - | 4.49 | 42,097 |
| Official Cities in the UK | 0 | - | 4.89 | 196,543 |
| Biggest Cities in History | 0 | - | 4.49 | 70,156 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 39,728 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.29 | 37,816 |
| Random Capital to Country | 0 | - | 4.99 | 2,066,511 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,137 |
| Random Country to Capital | 0 | - | 4.98 | 691,828 |
| Five Biggest Cities by Country | 0 | - | 4.76 | 122,025 |
| Coldest World Capitals | 0 | - | 4.97 | 105,069 |
| Europe Capital to Country | 0 | - | 4.99 | 198,485 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,091 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,065 |
| Biggest Coastal City by Country | 0 | - | 4.56 | 23,936 |
| Same Letter Country and Capital | 0 | - | 4.98 | 103,193 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.49 | 51,748 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 15,857 |
| Most Populous World Capitals | 0 | - | 4.89 | 127,614 |
| Biggest City by Region | 0 | - | 4.50 | 28,969 |
| Most Populous 2nd Cities | 0 | - | 4.53 | 39,039 |
| Biggest City by Region #2 | 0 | - | 4.46 | 19,712 |
| Solve the Secret Capital City | 0 | - | 4.78 | 125,565 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,365 |
| Biggest European Cities by Century | 0 | - | 4.97 | 104,788 |
| Capitals of Most Populated Countries | 0 | - | 4.97 | 107,375 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 224,031 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,832 |
| Biggest Cities by Latitude | 0 | - | 4.73 | 24,015 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.91 | 58,967 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 39,212 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,472 |
| Biggest Axis-Controlled Cities | 0 | - | 4.24 | 31,449 |
| Biggest Two-Word Cities | 0 | - | 4.71 | 33,737 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 57,962 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.73 | 55,249 |
| World Capitals by Map | 0 | - | 5.00 | 189,110 |
| Cities of Ireland | 0 | - | 4.39 | 35,579 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,747 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 145,518 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 72,819 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,243 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.92 | 117,762 |
| Cities of China (With Some Help) | 0 | - | 4.77 | 23,373 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 33,705 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 42,571 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.88 | 32,307 |
| Biggest Cities in the UK | 0 | - | 4.42 | 79,406 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.93 | 81,419 |
| World Capitals by Proximity | 0 | - | 4.91 | 262,862 |
| Biggest World Cities in 1850 | 0 | - | 4.52 | 47,417 |
| Megacities on a World Map | 0 | - | 4.97 | 198,595 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 153,324 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.78 | 48,699 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 94,083 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 72,813 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,521 |
| Ten Northernmost Megacities | 0 | - | 4.41 | 43,983 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.93 | 73,517 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 300,541 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 100,620 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,182 |
| U.S. State Capitals Map Quiz | 0 | - | 4.90 | 108,469 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.91 | 153,827 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 49,857 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.88 | 175,502 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.54 | 34,571 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.44 | 35,778 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 432,240 |
| Megacities on an Empty Map | 0 | - | 4.96 | 76,828 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 51,743 |
| All 3M Cities on the World Map | 0 | - | 4.93 | 53,479 |
| All Cities in China with Population of 1 Million | 0 | - | 4.65 | 27,151 |
| Northernmost Major City by Country | 0 | - | 4.50 | 28,036 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 20,505 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 28,935 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 42,152 |
| Two Largest Cities by First Two Letters | 0 | - | 4.65 | 55,985 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,430 |
| Largest World Capitals with Exceptions | 0 | - | 4.65 | 37,182 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.71 | 61,868 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,129 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.52 | 43,203 |
| Biggest Cities Near a Border | 0 | - | 4.12 | 14,497 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,320 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 260,078 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.93 | 79,059 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,610 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,474 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.33 | 22,100 |
| Ten Southernmost Megacities | 0 | - | 4.67 | 32,262 |
| Biggest Cities by Trait #2 | 0 | - | 4.31 | 12,210 |
| Flags to Largest Cities | 0 | - | 4.55 | 22,724 |
| 500 Biggest US Cities | 0 | - | 4.90 | 75,251 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,359 |
| Saint Lucia Country Quiz | 0 | - | 4.64 | 13,801 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 53,978 |
| Random European Capital to Country | 0 | - | 4.97 | 127,854 |
| Random European Country to Capital | 0 | - | 4.90 | 103,538 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 31,552 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.82 | 44,759 |
