| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.92 | 708,214 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,338,802 |
| World Capitals Quiz | 0 | - | 5.00 | 3,920,911 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,181,411 |
| South America Capitals Quiz | 0 | - | 4.99 | 360,880 |
| Biggest Cities in Texas | 0 | - | 4.20 | 94,984 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,922 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,759 |
| Biggest Cities in New Jersey | 0 | - | 3.97 | 22,105 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 287,934 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.55 | 89,893 |
| Biggest English-Speaking Cities | 0 | - | 4.39 | 127,791 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.84 | 99,135 |
| Biggest Cities by Language | 0 | - | 4.95 | 194,118 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,505 |
| Biggest Mediterranean Cities | 0 | - | 4.73 | 69,314 |
| Ancient City to Country | 0 | - | 4.73 | 83,839 |
| Jewish Cities Quiz | 0 | - | 4.31 | 55,789 |
| Biggest Cities in Japan | 0 | - | 4.68 | 66,584 |
| Biggest US Cities by Decade | 0 | - | 4.92 | 132,893 |
| Biggest Cities in Russia | 0 | - | 4.49 | 68,796 |
| Fastest Growing U.S. Cities | 0 | - | 4.26 | 58,168 |
| Africa Capitals Quiz | 0 | - | 4.99 | 528,306 |
| Former Capitals Quiz | 0 | - | 4.74 | 54,478 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 41,684 |
| Biggest Cities in Poland | 0 | - | 4.73 | 40,182 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.38 | 10,669 |
| Biggest Cities Starting With A | 0 | - | 4.55 | 87,014 |
| Biggest Cities Starting With B | 0 | - | 4.38 | 120,945 |
| Biggest Cities Starting With C | 0 | - | 3.99 | 79,338 |
| Biggest Cities Starting With D | 0 | - | 4.46 | 84,742 |
| Biggest Cities Starting With H | 0 | - | 4.48 | 75,505 |
| Biggest Cities Starting With K | 0 | - | 4.35 | 63,411 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 84,992 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 98,753 |
| Biggest Cities Starting With P | 0 | - | 4.44 | 87,564 |
| Biggest Cities Starting With S | 0 | - | 4.34 | 92,764 |
| Biggest Cities Starting With T | 0 | - | 4.25 | 93,281 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 21,026 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.34 | 75,142 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.31 | 62,506 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 70,310 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 76,540 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.11 | 61,403 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.06 | 57,254 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 17,956 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.81 | 52,782 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,492 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,395 |
| Biggest U.S. Cities A-Z | 0 | - | 4.54 | 109,131 |
| Biggest World Cities A-Z | 0 | - | 4.39 | 166,991 |
| Biggest Cities in France | 0 | - | 4.52 | 161,571 |
| Biggest Cities in Spain | 0 | - | 4.65 | 132,879 |
| Biggest Cities in Italy | 0 | - | 4.63 | 189,061 |
| Biggest Cities in California | 0 | - | 4.30 | 119,907 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,459 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 571,472 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,880 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 84,141 |
| Biggest Cities in Ohio | 0 | - | 4.33 | 41,314 |
| Biggest Cities in The Netherlands | 0 | - | 4.44 | 34,928 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 29,873 |
| Biggest Cities in New York State | 0 | - | 4.20 | 51,234 |
| Biggest Cities in Europe | 0 | - | 4.63 | 403,744 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,524 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,265 |
| Biggest Cities in Canada | 0 | - | 4.57 | 108,800 |
| Biggest Cities in Sweden | 0 | - | 4.71 | 24,597 |
| Asia Capitals Quiz | 0 | - | 4.97 | 501,921 |
| Biggest Cities in China | 0 | - | 4.43 | 118,265 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 39,070 |
| Biggest Cities in Germany | 0 | - | 4.94 | 226,601 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,439 |
| Second Biggest Cities Quiz | 0 | - | 4.19 | 36,600 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 134,913 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,830 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 16,348 |
| Biggest Cities in Colorado | 0 | - | 3.97 | 27,097 |
| Biggest Cities in Arizona | 0 | - | 4.24 | 24,782 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,326 |
| Biggest Cities in Illinois | 0 | - | 4.30 | 21,487 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,800 |
| Biggest Cities in Wisconsin | 0 | - | 4.35 | 20,589 |
| Biggest Cities in Georgia | 0 | - | 3.72 | 19,384 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,177 |
| Biggest Cities in Missouri | 0 | - | 4.18 | 14,205 |
| Biggest Cities in Oregon | 0 | - | 4.02 | 16,703 |
| Biggest Cities in Alaska | 0 | - | 4.39 | 16,827 |
| Biggest City by Time Zone | 0 | - | 4.74 | 49,790 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.42 | 78,194 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,724 |
| Biggest Cities in Switzerland | 0 | - | 4.56 | 38,277 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 109,718 |
| Biggest Cities in India | 0 | - | 4.52 | 54,875 |
| Biggest Cities in Asia | 0 | - | 4.87 | 85,961 |
| Biggest City by Island | 0 | - | 4.49 | 42,226 |
| Most Populous Countries in 1900 | 0 | - | 4.86 | 147,078 |
| Biggest Cities in History | 0 | - | 4.47 | 70,604 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 39,860 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.29 | 37,884 |
| Random Capital to Country | 0 | - | 4.99 | 2,074,485 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,363 |
| Random Country to Capital | 0 | - | 4.98 | 694,618 |
| Five Biggest Cities by Country | 0 | - | 4.76 | 122,452 |
| Most Populous Countries in 1950 | 0 | - | 4.64 | 63,392 |
| Europe Capital to Country | 0 | - | 4.99 | 199,031 |
| Important Cities in European History | 0 | - | 4.49 | 88,379 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,228 |
| Biggest Coastal City by Country | 0 | - | 4.56 | 24,089 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.57 | 58,149 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 15,955 |
| Most Populous World Capitals | 0 | - | 4.89 | 128,167 |
| Biggest City by Region | 0 | - | 4.50 | 29,159 |
| Most Populous 2nd Cities | 0 | - | 4.53 | 39,259 |
| Biggest City by Region #2 | 0 | - | 4.44 | 19,851 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,456 |
| City-States | 0 | - | 4.53 | 31,507 |
| Biggest European Cities by Century | 0 | - | 4.96 | 105,143 |
| Capitals of Most Populated Countries | 0 | - | 4.97 | 107,655 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,878 |
| Biggest Cities by Latitude | 0 | - | 4.73 | 24,093 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,217 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 39,396 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,661 |
| Biggest Axis-Controlled Cities | 0 | - | 4.24 | 31,516 |
| Biggest Two-Word Cities | 0 | - | 4.71 | 33,943 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 58,271 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.73 | 55,518 |
| Cities of Ireland | 0 | - | 4.40 | 35,672 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,851 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 146,149 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 73,128 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,355 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 118,260 |
| Cities of China (With Some Help) | 0 | - | 4.77 | 23,557 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.90 | 33,952 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 42,749 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.89 | 32,443 |
| Biggest Cities in the UK | 0 | - | 4.42 | 79,771 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 81,749 |
| World Capitals by Proximity | 0 | - | 4.91 | 263,520 |
| Biggest World Cities in 1850 | 0 | - | 4.52 | 47,566 |
| Megacities on a World Map | 0 | - | 4.97 | 199,659 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 174,152 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.78 | 48,836 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 95,425 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 73,626 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,684 |
| Most Populous Countries by Year | 0 | - | 4.77 | 79,075 |
| Ten Northernmost Megacities | 0 | - | 4.41 | 44,071 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.93 | 74,571 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 312,162 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,280 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 50,032 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.57 | 34,693 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.44 | 35,926 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 434,322 |
| Megacities on an Empty Map | 0 | - | 4.96 | 77,159 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 52,008 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 53,893 |
| All Cities in China with Population of 1 Million | 0 | - | 4.66 | 27,592 |
| Northernmost Major City by Country | 0 | - | 4.50 | 28,114 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.93 | 20,996 |
| All Cities in India with Population of 1 Million | 0 | - | 4.80 | 32,772 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 55,256 |
| Cities by Founder and Date | 0 | - | 4.50 | 25,987 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.46 | 42,426 |
| Two Largest Cities by First Two Letters | 0 | - | 4.65 | 56,196 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,542 |
| Cities Founded by the French in North America | 0 | - | 4.51 | 35,412 |
| Largest World Capitals with Exceptions | 0 | - | 4.66 | 37,719 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.71 | 62,054 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.96 | 57,533 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.84 | 54,311 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.88 | 60,396 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 47,945 |
| First Countries to Reach 5 Million People | 0 | - | 4.91 | 99,081 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,278 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.53 | 43,356 |
| Biggest Cities Near a Border | 0 | - | 4.11 | 14,586 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,493 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 261,503 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.93 | 79,591 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,835 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,571 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.33 | 22,158 |
| Ten Southernmost Megacities | 0 | - | 4.68 | 32,404 |
| Biggest Cities by Trait #2 | 0 | - | 4.31 | 12,296 |
| Flags to Largest Cities | 0 | - | 4.55 | 23,027 |
| 500 Biggest US Cities | 0 | - | 4.88 | 75,916 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,449 |
| Saint Lucia Country Quiz | 0 | - | 4.57 | 13,867 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.50 | 27,734 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 54,298 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 31,887 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.82 | 45,226 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 51,068 |
| Biggest Cities in the World - 2100 | 0 | - | 4.29 | 67,789 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 67,007 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.58 | 21,686 |
