| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.93 | 709,425 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,341,099 |
| South America Capitals Quiz | 0 | - | 4.99 | 361,764 |
| Biggest Cities in Texas | 0 | - | 4.21 | 95,258 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,946 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,858 |
| Biggest Cities in New Jersey | 0 | - | 3.97 | 22,143 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 288,312 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.55 | 89,993 |
| Biggest English-Speaking Cities | 0 | - | 4.39 | 127,856 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.84 | 99,220 |
| Biggest Cities by Language | 0 | - | 4.95 | 194,312 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,554 |
| Biggest Mediterranean Cities | 0 | - | 4.67 | 69,382 |
| Jewish Cities Quiz | 0 | - | 4.32 | 55,829 |
| Biggest Cities in Japan | 0 | - | 4.68 | 66,706 |
| Biggest US Cities by Decade | 0 | - | 4.92 | 133,047 |
| Biggest Cities in Russia | 0 | - | 4.49 | 68,874 |
| Fastest Growing U.S. Cities | 0 | - | 4.26 | 58,197 |
| Africa Capitals Quiz | 0 | - | 4.99 | 529,388 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 41,777 |
| Biggest Cities in Poland | 0 | - | 4.73 | 40,284 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.38 | 10,703 |
| Biggest Cities Starting With A | 0 | - | 4.55 | 87,146 |
| Biggest Cities Starting With B | 0 | - | 4.38 | 121,092 |
| Biggest Cities Starting With C | 0 | - | 3.99 | 79,415 |
| Biggest Cities Starting With D | 0 | - | 4.46 | 84,845 |
| Biggest Cities Starting With H | 0 | - | 4.48 | 75,818 |
| Biggest Cities Starting With K | 0 | - | 4.35 | 63,510 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 85,127 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 98,908 |
| Biggest Cities Starting With P | 0 | - | 4.44 | 87,700 |
| Biggest Cities Starting With S | 0 | - | 4.34 | 92,889 |
| Biggest Cities Starting With T | 0 | - | 4.25 | 93,441 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 21,081 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.34 | 75,276 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.32 | 62,615 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 70,601 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 76,657 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.12 | 61,489 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.07 | 57,335 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 18,010 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.82 | 52,833 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,575 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,472 |
| Biggest U.S. Cities A-Z | 0 | - | 4.55 | 109,288 |
| Biggest World Cities A-Z | 0 | - | 4.39 | 167,215 |
| Australian States and Territories Quiz | 0 | - | 4.96 | 103,052 |
| Biggest Cities in France | 0 | - | 4.53 | 161,857 |
| Biggest Cities in Spain | 0 | - | 4.65 | 133,150 |
| Biggest Cities in Italy | 0 | - | 4.64 | 189,419 |
| Biggest Cities in California | 0 | - | 4.30 | 120,025 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,521 |
| Biggest Cities in the World Quiz | 0 | - | 4.82 | 572,484 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,916 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 84,216 |
| Biggest Cities in Ohio | 0 | - | 4.33 | 41,364 |
| Biggest Cities in The Netherlands | 0 | - | 4.42 | 36,394 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 29,902 |
| Biggest Cities in New York State | 0 | - | 4.20 | 51,285 |
| Biggest Cities in Europe | 0 | - | 4.64 | 404,280 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,555 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,289 |
| Biggest Cities in Canada | 0 | - | 4.58 | 108,935 |
| Biggest Cities in Sweden | 0 | - | 4.71 | 24,659 |
| North America Capitals Quiz | 0 | - | 4.99 | 155,297 |
| Capitals of Oceania Quiz | 0 | - | 4.98 | 185,987 |
| Asia Capitals Quiz | 0 | - | 4.97 | 502,845 |
| Biggest Cities in China | 0 | - | 4.42 | 118,470 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 39,103 |
| Biggest Cities in Germany | 0 | - | 4.94 | 227,014 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,485 |
| Second Biggest Cities Quiz | 0 | - | 4.19 | 36,624 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 135,067 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,923 |
| Biggest Cities in Louisiana | 0 | - | 3.98 | 16,371 |
| Biggest Cities in Colorado | 0 | - | 3.97 | 27,126 |
| Biggest Cities in Arizona | 0 | - | 4.24 | 24,827 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,350 |
| Biggest Cities in Illinois | 0 | - | 4.30 | 21,526 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,846 |
| Biggest Cities in Wisconsin | 0 | - | 4.35 | 20,619 |
| Biggest Cities in Georgia | 0 | - | 3.72 | 19,403 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,204 |
| Biggest Cities in Missouri | 0 | - | 4.18 | 14,224 |
| Biggest Cities in Oregon | 0 | - | 4.02 | 16,725 |
| Biggest Cities in Alaska | 0 | - | 4.39 | 16,860 |
| Biggest City by Time Zone | 0 | - | 4.74 | 49,829 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.42 | 78,242 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,878 |
| Biggest Cities in Switzerland | 0 | - | 4.56 | 38,357 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 110,081 |
| Biggest Cities in India | 0 | - | 4.53 | 54,963 |
| Biggest Cities in Asia | 0 | - | 4.87 | 86,066 |
| Biggest City by Island | 0 | - | 4.49 | 42,283 |
| Official Cities in the UK | 0 | - | 4.89 | 197,921 |
| Biggest Cities in History | 0 | - | 4.47 | 70,728 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 39,905 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.29 | 37,907 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,450 |
| Five Biggest Cities by Country | 0 | - | 4.77 | 122,618 |
| New Zealand Country Quiz | 0 | - | 4.55 | 56,451 |
| Europe Capital to Country | 0 | - | 4.99 | 199,249 |
| Australia Cities Map Quiz | 0 | - | 4.85 | 109,653 |
| Australia Map Quiz | 0 | - | 4.94 | 282,598 |
| Flags of Oceania | 0 | - | 5.00 | 178,809 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,290 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,269 |
| Biggest Coastal City by Country | 0 | - | 4.56 | 24,135 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.53 | 58,792 |
| Countries Closest to Australia | 0 | - | 4.99 | 132,632 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 15,999 |
| Most Populous World Capitals | 0 | - | 4.89 | 128,301 |
| Biggest City by Region | 0 | - | 4.50 | 29,215 |
| Most Populous 2nd Cities | 0 | - | 4.54 | 39,313 |
| Biggest City by Region #2 | 0 | - | 4.44 | 19,900 |
| Oceania Map Quiz | 0 | - | 4.97 | 503,446 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,483 |
| Biggest European Cities by Century | 0 | - | 4.96 | 105,297 |
| Capitals of Most Populated Countries | 0 | - | 4.97 | 107,764 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,904 |
| Biggest Cities by Latitude | 0 | - | 4.73 | 24,130 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,323 |
| Melbourne Suburbs | 0 | - | 4.64 | 27,998 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 39,443 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,734 |
| Biggest Axis-Controlled Cities | 0 | - | 4.24 | 31,540 |
| Biggest Two-Word Cities | 0 | - | 4.72 | 34,027 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 58,372 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.74 | 55,613 |
| Cities of Ireland | 0 | - | 4.40 | 35,718 |
| Regions of New Zealand | 0 | - | 4.64 | 20,902 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,891 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 146,418 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 73,238 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,414 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 118,409 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 123,476 |
| Top 10 Least Populous U.S. States | 0 | - | 4.95 | 146,897 |
| Cities of China (With Some Help) | 0 | - | 4.77 | 23,619 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 34,030 |
| Biggest Cities with Exceptions | 0 | - | 4.88 | 42,814 |
| Countries of Europe by Population | 0 | - | 4.98 | 108,590 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 168,564 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 127,449 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 123,594 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.89 | 32,493 |
| Biggest Cities in the UK | 0 | - | 4.42 | 79,908 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 81,883 |
| Biggest World Cities in 1850 | 0 | - | 4.53 | 47,636 |
| Megacities on a World Map | 0 | - | 4.97 | 199,901 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 174,811 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.78 | 48,889 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 95,570 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 73,758 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,740 |
| Ten Northernmost Megacities | 0 | - | 4.41 | 44,130 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 74,668 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 313,179 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 101,248 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,303 |
| U.S. State Capitals Map Quiz | 0 | - | 4.89 | 109,121 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.92 | 154,589 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 50,105 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.57 | 34,743 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.44 | 35,970 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 435,102 |
| Megacities on an Empty Map | 0 | - | 4.96 | 77,290 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 52,108 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 54,054 |
| All Cities in China with Population of 1 Million | 0 | - | 4.67 | 28,471 |
| Northernmost Major City by Country | 0 | - | 4.50 | 28,148 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.93 | 21,181 |
| All Cities in India with Population of 1 Million | 0 | - | 4.79 | 32,887 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 55,376 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.46 | 42,512 |
| Two Largest Cities by First Two Letters | 0 | - | 4.65 | 56,269 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,588 |
| Largest World Capitals with Exceptions | 0 | - | 4.66 | 37,839 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.72 | 62,146 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,334 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.53 | 43,407 |
| Biggest Cities Near a Border | 0 | - | 4.11 | 14,608 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,537 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 261,952 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.92 | 79,776 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,902 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,604 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.34 | 22,189 |
| Ten Southernmost Megacities | 0 | - | 4.79 | 39,264 |
| Biggest Cities by Trait #2 | 0 | - | 4.31 | 12,315 |
| Which City in Australia? | 0 | - | 4.56 | 20,031 |
| Flags to Largest Cities | 0 | - | 4.55 | 23,114 |
| 500 Biggest US Cities | 0 | - | 4.88 | 76,179 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,470 |
| Non-Stop Flights to New Zealand | 0 | - | 4.40 | 37,245 |
| Saint Lucia Country Quiz | 0 | - | 4.57 | 13,902 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 54,445 |
| Random European Capital to Country | 0 | - | 4.97 | 128,840 |
| Random European Country to Capital | 0 | - | 4.90 | 104,030 |
