| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.93 | 707,240 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,336,741 |
| South America Capitals Quiz | 0 | - | 4.99 | 360,191 |
| Biggest Cities in Texas | 0 | - | 4.20 | 94,926 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,892 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,676 |
| Biggest Cities in New Jersey | 0 | - | 3.97 | 22,089 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 287,653 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.54 | 89,790 |
| Biggest English-Speaking Cities | 0 | - | 4.39 | 127,721 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.84 | 99,061 |
| Biggest Cities by Language | 0 | - | 4.95 | 193,860 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,477 |
| Biggest Mediterranean Cities | 0 | - | 4.73 | 69,262 |
| Jewish Cities Quiz | 0 | - | 4.31 | 55,745 |
| Biggest Cities in Japan | 0 | - | 4.72 | 66,512 |
| Biggest US Cities by Decade | 0 | - | 4.92 | 132,755 |
| Biggest Cities in Russia | 0 | - | 4.48 | 68,729 |
| Fastest Growing U.S. Cities | 0 | - | 4.26 | 58,144 |
| Africa Capitals Quiz | 0 | - | 4.99 | 527,295 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 41,617 |
| Biggest Cities in Poland | 0 | - | 4.73 | 40,114 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.38 | 10,648 |
| Biggest Cities Starting With A | 0 | - | 4.54 | 86,904 |
| Biggest Cities Starting With B | 0 | - | 4.38 | 120,843 |
| Biggest Cities Starting With C | 0 | - | 3.99 | 79,283 |
| Biggest Cities Starting With D | 0 | - | 4.46 | 84,664 |
| Biggest Cities Starting With H | 0 | - | 4.48 | 75,403 |
| Biggest Cities Starting With K | 0 | - | 4.35 | 63,359 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 84,898 |
| Biggest Cities Starting With M | 0 | - | 4.47 | 98,622 |
| Biggest Cities Starting With P | 0 | - | 4.44 | 87,462 |
| Biggest Cities Starting With S | 0 | - | 4.34 | 92,654 |
| Biggest Cities Starting With T | 0 | - | 4.25 | 93,180 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 20,995 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.34 | 75,035 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.31 | 62,406 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 70,198 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 76,450 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.10 | 61,322 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.06 | 57,185 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 17,876 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.81 | 52,702 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,412 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,311 |
| Biggest U.S. Cities A-Z | 0 | - | 4.54 | 109,041 |
| Biggest World Cities A-Z | 0 | - | 4.37 | 166,813 |
| Australian States and Territories Quiz | 0 | - | 4.96 | 102,754 |
| Biggest Cities in France | 0 | - | 4.52 | 161,336 |
| Biggest Cities in Spain | 0 | - | 4.64 | 132,704 |
| Biggest Cities in Italy | 0 | - | 4.57 | 188,840 |
| Biggest Cities in California | 0 | - | 4.30 | 119,818 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,406 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 570,714 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,853 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 84,047 |
| Biggest Cities in Ohio | 0 | - | 4.33 | 41,275 |
| Biggest Cities in The Netherlands | 0 | - | 4.42 | 33,678 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 29,860 |
| Biggest Cities in New York State | 0 | - | 4.20 | 51,186 |
| Biggest Cities in Europe | 0 | - | 4.57 | 403,337 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,494 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,243 |
| Biggest Cities in Canada | 0 | - | 4.56 | 108,710 |
| Biggest Cities in Sweden | 0 | - | 4.71 | 24,553 |
| North America Capitals Quiz | 0 | - | 4.99 | 154,634 |
| Capitals of Oceania Quiz | 0 | - | 4.98 | 185,079 |
| Asia Capitals Quiz | 0 | - | 4.97 | 501,201 |
| Biggest Cities in China | 0 | - | 4.42 | 118,119 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 39,041 |
| Biggest Cities in Germany | 0 | - | 4.94 | 226,171 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,401 |
| Second Biggest Cities Quiz | 0 | - | 4.19 | 36,582 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 134,448 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,766 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 16,331 |
| Biggest Cities in Colorado | 0 | - | 3.97 | 27,064 |
| Biggest Cities in Arizona | 0 | - | 4.24 | 24,750 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,306 |
| Biggest Cities in Illinois | 0 | - | 4.30 | 21,454 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,762 |
| Biggest Cities in Wisconsin | 0 | - | 4.35 | 20,573 |
| Biggest Cities in Georgia | 0 | - | 3.72 | 19,371 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,153 |
| Biggest Cities in Missouri | 0 | - | 4.18 | 14,192 |
| Biggest Cities in Oregon | 0 | - | 4.02 | 16,680 |
| Biggest Cities in Alaska | 0 | - | 4.39 | 16,798 |
| Biggest City by Time Zone | 0 | - | 4.74 | 49,749 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.42 | 78,153 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,575 |
| Biggest Cities in Switzerland | 0 | - | 4.55 | 38,214 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 109,652 |
| Biggest Cities in India | 0 | - | 4.51 | 54,799 |
| Biggest Cities in Asia | 0 | - | 4.87 | 85,893 |
| Biggest City by Island | 0 | - | 4.49 | 42,194 |
| Official Cities in the UK | 0 | - | 4.89 | 197,205 |
| Asia Capital to Country | 0 | - | 4.96 | 95,623 |
| Biggest Cities in History | 0 | - | 4.49 | 70,483 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 39,814 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.29 | 37,860 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,290 |
| Five Biggest Cities by Country | 0 | - | 4.76 | 122,315 |
| Europe Capital to Country | 0 | - | 4.99 | 198,870 |
| Australia Cities Map Quiz | 0 | - | 4.84 | 109,424 |
| Australia Map Quiz | 0 | - | 4.94 | 282,139 |
| Flags of Oceania | 0 | - | 5.00 | 178,117 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,185 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,162 |
| Biggest Coastal City by Country | 0 | - | 4.56 | 24,042 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.49 | 51,838 |
| Countries Closest to Australia | 0 | - | 4.99 | 132,355 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 15,923 |
| Most Populous World Capitals | 0 | - | 4.89 | 127,827 |
| Biggest City by Region | 0 | - | 4.50 | 29,099 |
| Most Populous 2nd Cities | 0 | - | 4.52 | 39,194 |
| Biggest City by Region #2 | 0 | - | 4.46 | 19,805 |
| Oceania Map Quiz | 0 | - | 4.97 | 502,065 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,437 |
| Biggest European Cities by Century | 0 | - | 4.96 | 105,020 |
| Capitals of Most Populated Countries | 0 | - | 4.97 | 107,581 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,867 |
| Biggest Cities by Latitude | 0 | - | 4.73 | 24,071 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,139 |
| Melbourne Suburbs | 0 | - | 4.64 | 27,820 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 39,347 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,591 |
| Biggest Axis-Controlled Cities | 0 | - | 4.24 | 31,493 |
| Biggest Two-Word Cities | 0 | - | 4.71 | 33,879 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 58,164 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.73 | 55,436 |
| Cities of Ireland | 0 | - | 4.40 | 35,634 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,813 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 145,941 |
| EU Capitals with No Hints | 0 | - | 4.93 | 98,394 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 73,028 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,309 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 118,116 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 123,215 |
| Top 10 Least Populous U.S. States | 0 | - | 4.95 | 146,629 |
| Cities of China (With Some Help) | 0 | - | 4.77 | 23,509 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.90 | 33,867 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 42,687 |
| Countries of Europe by Population | 0 | - | 4.98 | 108,294 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 168,084 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 126,947 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 123,251 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.89 | 32,401 |
| Biggest Cities in the UK | 0 | - | 4.42 | 79,651 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 81,652 |
| Biggest World Cities in 1850 | 0 | - | 4.52 | 47,520 |
| Megacities on a World Map | 0 | - | 4.97 | 199,439 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 172,721 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.78 | 48,794 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 95,253 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 73,516 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,634 |
| Ten Northernmost Megacities | 0 | - | 4.41 | 44,043 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.93 | 74,464 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 309,871 |
| European Capitals - Map Quiz | 0 | - | 4.98 | 91,552 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 100,943 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,248 |
| U.S. State Capitals Map Quiz | 0 | - | 4.89 | 108,799 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.91 | 154,197 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 49,977 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.56 | 34,659 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.44 | 35,881 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 433,614 |
| Megacities on an Empty Map | 0 | - | 4.96 | 77,048 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 51,926 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 53,768 |
| All Cities in China with Population of 1 Million | 0 | - | 4.66 | 27,473 |
| Northernmost Major City by Country | 0 | - | 4.50 | 28,090 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.93 | 20,854 |
| All Cities in India with Population of 1 Million | 0 | - | 4.80 | 32,558 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 55,154 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.46 | 42,357 |
| Two Largest Cities by First Two Letters | 0 | - | 4.65 | 56,130 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,499 |
| Largest World Capitals with Exceptions | 0 | - | 4.66 | 37,620 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.71 | 61,995 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,229 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.52 | 43,304 |
| Biggest Cities Near a Border | 0 | - | 4.11 | 14,556 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,427 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 261,084 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.93 | 79,462 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,759 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,542 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.33 | 22,144 |
| Ten Southernmost Megacities | 0 | - | 4.67 | 32,365 |
| Biggest Cities by Trait #2 | 0 | - | 4.31 | 12,268 |
| Which City in Australia? | 0 | - | 4.56 | 19,951 |
| Flags to Largest Cities | 0 | - | 4.55 | 22,934 |
| 500 Biggest US Cities | 0 | - | 4.90 | 75,694 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,425 |
| Saint Lucia Country Quiz | 0 | - | 4.64 | 13,849 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 54,185 |
| Random European Capital to Country | 0 | - | 4.97 | 128,441 |
| Random European Country to Capital | 0 | - | 4.90 | 103,767 |
