| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.93 | 707,074 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,336,466 |
| South America Capitals Quiz | 0 | - | 4.99 | 360,111 |
| Biggest Cities in Texas | 0 | - | 4.20 | 94,910 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,887 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,663 |
| Biggest Cities in New Jersey | 0 | - | 3.97 | 22,084 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 287,621 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.54 | 89,779 |
| Biggest English-Speaking Cities | 0 | - | 4.39 | 127,704 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.84 | 99,048 |
| Biggest Cities by Language | 0 | - | 4.95 | 193,677 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,474 |
| Biggest Mediterranean Cities | 0 | - | 4.73 | 69,251 |
| Jewish Cities Quiz | 0 | - | 4.31 | 55,736 |
| Biggest Cities in Japan | 0 | - | 4.72 | 66,503 |
| Biggest US Cities by Decade | 0 | - | 4.92 | 132,746 |
| Biggest Cities in Russia | 0 | - | 4.48 | 68,715 |
| Fastest Growing U.S. Cities | 0 | - | 4.26 | 58,140 |
| Africa Capitals Quiz | 0 | - | 4.99 | 527,073 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 41,609 |
| Biggest Cities in Poland | 0 | - | 4.72 | 40,104 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.38 | 10,644 |
| Biggest Cities Starting With A | 0 | - | 4.54 | 86,888 |
| Biggest Cities Starting With B | 0 | - | 4.38 | 120,829 |
| Biggest Cities Starting With C | 0 | - | 3.99 | 79,276 |
| Biggest Cities Starting With D | 0 | - | 4.46 | 84,649 |
| Biggest Cities Starting With H | 0 | - | 4.48 | 75,385 |
| Biggest Cities Starting With K | 0 | - | 4.35 | 63,346 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 84,888 |
| Biggest Cities Starting With M | 0 | - | 4.47 | 98,598 |
| Biggest Cities Starting With P | 0 | - | 4.44 | 87,446 |
| Biggest Cities Starting With S | 0 | - | 4.34 | 92,632 |
| Biggest Cities Starting With T | 0 | - | 4.25 | 93,157 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 20,986 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.34 | 75,031 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.31 | 62,398 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 70,196 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 76,442 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.10 | 61,319 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.06 | 57,180 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 17,876 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.81 | 52,701 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,407 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,302 |
| Biggest U.S. Cities A-Z | 0 | - | 4.54 | 109,025 |
| Biggest World Cities A-Z | 0 | - | 4.38 | 166,788 |
| Australian States and Territories Quiz | 0 | - | 4.96 | 102,741 |
| Biggest Cities in France | 0 | - | 4.52 | 161,305 |
| Biggest Cities in Spain | 0 | - | 4.64 | 132,688 |
| Biggest Cities in Italy | 0 | - | 4.57 | 188,793 |
| Biggest Cities in California | 0 | - | 4.30 | 119,797 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,387 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 570,610 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,844 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 84,037 |
| Biggest Cities in Ohio | 0 | - | 4.33 | 41,266 |
| Biggest Cities in The Netherlands | 0 | - | 4.42 | 33,673 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 29,853 |
| Biggest Cities in New York State | 0 | - | 4.20 | 51,178 |
| Biggest Cities in Europe | 0 | - | 4.57 | 403,281 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,487 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,239 |
| Biggest Cities in Canada | 0 | - | 4.56 | 108,687 |
| Biggest Cities in Sweden | 0 | - | 4.71 | 24,544 |
| North America Capitals Quiz | 0 | - | 4.99 | 154,573 |
| Capitals of Oceania Quiz | 0 | - | 4.98 | 184,998 |
| Asia Capitals Quiz | 0 | - | 4.97 | 501,057 |
| Biggest Cities in China | 0 | - | 4.42 | 118,089 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 39,034 |
| Biggest Cities in Germany | 0 | - | 4.94 | 226,097 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,396 |
| Second Biggest Cities Quiz | 0 | - | 4.19 | 36,581 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 134,428 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,756 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 16,329 |
| Biggest Cities in Colorado | 0 | - | 3.97 | 27,059 |
| Biggest Cities in Arizona | 0 | - | 4.24 | 24,742 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,300 |
| Biggest Cities in Illinois | 0 | - | 4.30 | 21,442 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,754 |
| Biggest Cities in Wisconsin | 0 | - | 4.35 | 20,568 |
| Biggest Cities in Georgia | 0 | - | 3.72 | 19,365 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,147 |
| Biggest Cities in Missouri | 0 | - | 4.18 | 14,183 |
| Biggest Cities in Oregon | 0 | - | 4.02 | 16,679 |
| Biggest Cities in Alaska | 0 | - | 4.39 | 16,794 |
| Biggest City by Time Zone | 0 | - | 4.74 | 49,741 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.42 | 78,148 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,554 |
| Biggest Cities in Switzerland | 0 | - | 4.55 | 38,202 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 109,640 |
| Biggest Cities in India | 0 | - | 4.51 | 54,792 |
| Biggest Cities in Asia | 0 | - | 4.87 | 85,868 |
| Biggest City by Island | 0 | - | 4.49 | 42,191 |
| Official Cities in the UK | 0 | - | 4.89 | 197,152 |
| Biggest Cities in History | 0 | - | 4.49 | 70,462 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 39,809 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.29 | 37,855 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,275 |
| Five Biggest Cities by Country | 0 | - | 4.76 | 122,291 |
| New Zealand Country Quiz | 0 | - | 4.54 | 56,300 |
| Europe Capital to Country | 0 | - | 4.99 | 198,838 |
| Australia Cities Map Quiz | 0 | - | 4.84 | 109,411 |
| Australia Map Quiz | 0 | - | 4.94 | 282,095 |
| Flags of Oceania | 0 | - | 5.00 | 178,062 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,177 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,153 |
| Biggest Coastal City by Country | 0 | - | 4.56 | 24,033 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.49 | 51,828 |
| Countries Closest to Australia | 0 | - | 4.99 | 132,339 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 15,921 |
| Most Populous World Capitals | 0 | - | 4.89 | 127,812 |
| Biggest City by Region | 0 | - | 4.50 | 29,086 |
| Most Populous 2nd Cities | 0 | - | 4.52 | 39,181 |
| Biggest City by Region #2 | 0 | - | 4.46 | 19,790 |
| Oceania Map Quiz | 0 | - | 4.97 | 501,953 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,433 |
| Biggest European Cities by Century | 0 | - | 4.96 | 105,002 |
| Capitals of Most Populated Countries | 0 | - | 4.97 | 107,563 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,864 |
| Biggest Cities by Latitude | 0 | - | 4.73 | 24,065 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,119 |
| Melbourne Suburbs | 0 | - | 4.64 | 27,803 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 39,339 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,581 |
| Biggest Axis-Controlled Cities | 0 | - | 4.24 | 31,489 |
| Biggest Two-Word Cities | 0 | - | 4.71 | 33,869 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 58,158 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.73 | 55,423 |
| Cities of Ireland | 0 | - | 4.39 | 35,631 |
| Regions of New Zealand | 0 | - | 4.64 | 20,820 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,807 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 145,906 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 73,018 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,308 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.92 | 118,092 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 123,201 |
| Top 10 Least Populous U.S. States | 0 | - | 4.95 | 146,613 |
| Cities of China (With Some Help) | 0 | - | 4.76 | 23,499 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.90 | 33,854 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 42,674 |
| Countries of Europe by Population | 0 | - | 4.98 | 108,267 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 168,044 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 126,924 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 123,225 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.89 | 32,399 |
| Biggest Cities in the UK | 0 | - | 4.42 | 79,634 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 81,636 |
| Biggest World Cities in 1850 | 0 | - | 4.52 | 47,512 |
| Megacities on a World Map | 0 | - | 4.97 | 199,373 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 172,196 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.78 | 48,784 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 95,210 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 73,491 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,626 |
| Ten Northernmost Megacities | 0 | - | 4.41 | 44,039 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.93 | 74,440 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 308,946 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 100,919 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,241 |
| U.S. State Capitals Map Quiz | 0 | - | 4.89 | 108,785 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.91 | 154,164 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 49,969 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.56 | 34,651 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.44 | 35,875 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 433,499 |
| Megacities on an Empty Map | 0 | - | 4.96 | 77,037 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 51,912 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 53,739 |
| All Cities in China with Population of 1 Million | 0 | - | 4.66 | 27,455 |
| Northernmost Major City by Country | 0 | - | 4.50 | 28,086 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 20,831 |
| All Cities in India with Population of 1 Million | 0 | - | 4.80 | 32,478 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 55,137 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.46 | 42,344 |
| Two Largest Cities by First Two Letters | 0 | - | 4.65 | 56,126 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,496 |
| Largest World Capitals with Exceptions | 0 | - | 4.66 | 37,598 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.71 | 61,989 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,223 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.52 | 43,296 |
| Biggest Cities Near a Border | 0 | - | 4.11 | 14,549 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,415 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 260,987 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.93 | 79,434 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,745 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,534 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.33 | 22,138 |
| Ten Southernmost Megacities | 0 | - | 4.67 | 32,356 |
| Biggest Cities by Trait #2 | 0 | - | 4.31 | 12,263 |
| Which City in Australia? | 0 | - | 4.56 | 19,947 |
| Flags to Largest Cities | 0 | - | 4.55 | 22,914 |
| 500 Biggest US Cities | 0 | - | 4.90 | 75,669 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,424 |
| Non-Stop Flights to New Zealand | 0 | - | 4.40 | 37,145 |
| Saint Lucia Country Quiz | 0 | - | 4.64 | 13,847 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 54,177 |
| Random European Capital to Country | 0 | - | 4.97 | 128,403 |
| Random European Country to Capital | 0 | - | 4.90 | 103,748 |
