| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.92 | 709,129 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,340,635 |
| World Capitals Quiz | 0 | - | 5.00 | 3,926,038 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,182,758 |
| South America Capitals Quiz | 0 | - | 4.99 | 361,597 |
| Biggest Cities in Texas | 0 | - | 4.21 | 95,241 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,943 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,835 |
| Biggest Cities in New Jersey | 0 | - | 3.97 | 22,137 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 288,212 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.55 | 89,961 |
| Biggest English-Speaking Cities | 0 | - | 4.39 | 127,838 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.84 | 99,195 |
| Biggest Cities by Language | 0 | - | 4.95 | 194,259 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,540 |
| Biggest Mediterranean Cities | 0 | - | 4.67 | 69,365 |
| Jewish Cities Quiz | 0 | - | 4.32 | 55,815 |
| Biggest Cities in Japan | 0 | - | 4.68 | 66,660 |
| Biggest US Cities by Decade | 0 | - | 4.92 | 133,018 |
| Biggest Cities in Russia | 0 | - | 4.48 | 68,862 |
| Fastest Growing U.S. Cities | 0 | - | 4.26 | 58,191 |
| Africa Capitals Quiz | 0 | - | 4.99 | 529,121 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 41,759 |
| Biggest Cities in Poland | 0 | - | 4.73 | 40,254 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.38 | 10,696 |
| Biggest Cities Starting With A | 0 | - | 4.54 | 87,121 |
| Biggest Cities Starting With B | 0 | - | 4.38 | 121,068 |
| Biggest Cities Starting With C | 0 | - | 3.99 | 79,407 |
| Biggest Cities Starting With D | 0 | - | 4.46 | 84,831 |
| Biggest Cities Starting With H | 0 | - | 4.48 | 75,801 |
| Biggest Cities Starting With K | 0 | - | 4.35 | 63,493 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 85,101 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 98,876 |
| Biggest Cities Starting With P | 0 | - | 4.44 | 87,675 |
| Biggest Cities Starting With S | 0 | - | 4.34 | 92,867 |
| Biggest Cities Starting With T | 0 | - | 4.25 | 93,408 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 21,074 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.34 | 75,253 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.32 | 62,601 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 70,585 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 76,641 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.12 | 61,476 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.07 | 57,324 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 18,003 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.82 | 52,829 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,562 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,463 |
| Biggest U.S. Cities A-Z | 0 | - | 4.54 | 109,225 |
| Biggest World Cities A-Z | 0 | - | 4.39 | 167,147 |
| Biggest Cities in France | 0 | - | 4.52 | 161,781 |
| Biggest Cities in Spain | 0 | - | 4.65 | 133,089 |
| Biggest Cities in Italy | 0 | - | 4.63 | 189,329 |
| Biggest Cities in California | 0 | - | 4.30 | 120,006 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,514 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 572,200 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,913 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 84,200 |
| Biggest Cities in Ohio | 0 | - | 4.33 | 41,356 |
| Biggest Cities in The Netherlands | 0 | - | 4.42 | 36,272 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 29,896 |
| Biggest Cities in New York State | 0 | - | 4.20 | 51,279 |
| Biggest Cities in Europe | 0 | - | 4.64 | 404,142 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,549 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,281 |
| Biggest Cities in Canada | 0 | - | 4.57 | 108,893 |
| Biggest Cities in Sweden | 0 | - | 4.71 | 24,645 |
| Capitals of Oceania Quiz | 0 | - | 4.98 | 185,885 |
| Asia Capitals Quiz | 0 | - | 4.97 | 502,644 |
| Biggest Cities in China | 0 | - | 4.42 | 118,416 |
| Summer Olympics Host Cities | 0 | - | 4.97 | 161,107 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 39,100 |
| Biggest Cities in Germany | 0 | - | 4.94 | 226,912 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,476 |
| Second Biggest Cities Quiz | 0 | - | 4.19 | 36,619 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 135,027 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,895 |
| Biggest Cities in Louisiana | 0 | - | 3.98 | 16,366 |
| Biggest Cities in Colorado | 0 | - | 3.97 | 27,125 |
| Biggest Cities in Arizona | 0 | - | 4.24 | 24,820 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,349 |
| Biggest Cities in Illinois | 0 | - | 4.30 | 21,510 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,834 |
| Biggest Cities in Wisconsin | 0 | - | 4.35 | 20,615 |
| Biggest Cities in Georgia | 0 | - | 3.72 | 19,399 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,200 |
| Biggest Cities in Missouri | 0 | - | 4.18 | 14,220 |
| Biggest Cities in Oregon | 0 | - | 4.02 | 16,719 |
| Biggest Cities in Alaska | 0 | - | 4.39 | 16,853 |
| Biggest City by Time Zone | 0 | - | 4.74 | 49,821 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.42 | 78,234 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,835 |
| Biggest Cities in Switzerland | 0 | - | 4.56 | 38,342 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 110,062 |
| Biggest Cities in India | 0 | - | 4.52 | 54,945 |
| Biggest Cities in Asia | 0 | - | 4.87 | 86,043 |
| Biggest City by Island | 0 | - | 4.49 | 42,269 |
| Official Cities in the UK | 0 | - | 4.89 | 197,820 |
| Biggest Cities in History | 0 | - | 4.47 | 70,700 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 39,891 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.29 | 37,901 |
| Random Capital to Country | 0 | - | 4.99 | 2,076,966 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,431 |
| Random Country to Capital | 0 | - | 4.98 | 695,417 |
| Nearest Capital City #1 | 0 | - | 4.80 | 42,638 |
| Nearest Capital City #2 | 0 | - | 4.43 | 26,591 |
| Five Biggest Cities by Country | 0 | - | 4.76 | 122,571 |
| Europe Capital to Country | 0 | - | 4.99 | 199,196 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,273 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,246 |
| Biggest Coastal City by Country | 0 | - | 4.56 | 24,126 |
| Closest City Pairs #1 | 0 | - | 4.43 | 21,431 |
| Closest City Pairs #2 | 0 | - | 4.54 | 24,605 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.53 | 58,732 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 15,985 |
| Most Populous World Capitals | 0 | - | 4.89 | 128,276 |
| Biggest City by Region | 0 | - | 4.50 | 29,197 |
| Most Populous 2nd Cities | 0 | - | 4.53 | 39,303 |
| Biggest City by Region #2 | 0 | - | 4.44 | 19,889 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,473 |
| Biggest European Cities by Century | 0 | - | 4.96 | 105,267 |
| Capitals of Most Populated Countries | 0 | - | 4.97 | 107,739 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,898 |
| Biggest Cities by Latitude | 0 | - | 4.73 | 24,121 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,292 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 39,426 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,713 |
| Biggest Axis-Controlled Cities | 0 | - | 4.24 | 31,536 |
| Biggest Two-Word Cities | 0 | - | 4.71 | 34,009 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 58,353 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.73 | 55,589 |
| World Capitals by Map | 0 | - | 5.00 | 190,714 |
| Cities of Ireland | 0 | - | 4.40 | 35,705 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,881 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 146,364 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 73,209 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,401 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 118,377 |
| Cities of China (With Some Help) | 0 | - | 4.77 | 23,593 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.90 | 34,015 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 42,796 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.89 | 32,476 |
| Biggest Cities in the UK | 0 | - | 4.42 | 79,868 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 81,843 |
| World Capitals by Proximity | 0 | - | 4.91 | 263,686 |
| Biggest World Cities in 1850 | 0 | - | 4.52 | 47,626 |
| Megacities on a World Map | 0 | - | 4.97 | 199,814 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 174,721 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.78 | 48,879 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 95,530 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 73,729 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,726 |
| Ten Northernmost Megacities | 0 | - | 4.41 | 44,102 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.93 | 74,646 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 65,509 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 312,970 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,296 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 50,084 |
| World Capitals Closest to Madrid | 0 | - | 4.46 | 38,337 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.88 | 176,459 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.57 | 34,736 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.44 | 35,958 |
| World Capitals Closest to Bangkok | 0 | - | 4.94 | 34,385 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 434,870 |
| Megacities on an Empty Map | 0 | - | 4.96 | 77,253 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 52,087 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 54,021 |
| All Cities in China with Population of 1 Million | 0 | - | 4.67 | 27,672 |
| Northernmost Major City by Country | 0 | - | 4.50 | 28,143 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.93 | 21,128 |
| All Cities in India with Population of 1 Million | 0 | - | 4.80 | 32,859 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 55,345 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.46 | 42,479 |
| Two Largest Cities by First Two Letters | 0 | - | 4.65 | 56,252 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,578 |
| Largest World Capitals with Exceptions | 0 | - | 4.66 | 37,808 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.71 | 62,124 |
| Capital Cities Nearest to Islands | 0 | - | 4.48 | 11,022 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,324 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.53 | 43,392 |
| Biggest Cities Near a Border | 0 | - | 4.11 | 14,600 |
| 1M Cities by Proximity - United States | 0 | - | 4.46 | 97,551 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,523 |
| World Capitals Deepest in a Country's Territory | 0 | - | 4.91 | 37,178 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 261,832 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.93 | 79,730 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,885 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,595 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.33 | 22,183 |
| European Capitals Furthest from the Sea | 0 | - | 4.94 | 53,732 |
| Ten Southernmost Megacities | 0 | - | 4.68 | 34,113 |
| U.S. State Capitals Closest to Mexico | 0 | - | 4.49 | 30,553 |
| Biggest Cities by Trait #2 | 0 | - | 4.31 | 12,314 |
| Flags to Largest Cities | 0 | - | 4.55 | 23,091 |
| 500 Biggest US Cities | 0 | - | 4.88 | 76,121 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,466 |
| Saint Lucia Country Quiz | 0 | - | 4.57 | 13,895 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 54,410 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 31,973 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.82 | 45,360 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 51,241 |
