| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.93 | 710,431 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,343,469 |
| World Capitals Quiz | 0 | - | 5.00 | 3,932,948 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,184,802 |
| South America Capitals Quiz | 0 | - | 4.99 | 362,275 |
| Biggest Cities in Texas | 0 | - | 4.21 | 95,319 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,975 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,940 |
| Biggest Cities in New Jersey | 0 | - | 3.97 | 22,170 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 288,674 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.55 | 90,109 |
| Biggest English-Speaking Cities | 0 | - | 4.39 | 127,927 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.84 | 99,311 |
| Biggest Cities by Language | 0 | - | 4.95 | 194,521 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,593 |
| Biggest Mediterranean Cities | 0 | - | 4.65 | 69,450 |
| Ancient City to Country | 0 | - | 4.74 | 83,962 |
| Jewish Cities Quiz | 0 | - | 4.32 | 55,855 |
| Biggest Cities in Japan | 0 | - | 4.68 | 66,793 |
| Biggest US Cities by Decade | 0 | - | 4.92 | 133,169 |
| Biggest Cities in Russia | 0 | - | 4.49 | 68,943 |
| Fastest Growing U.S. Cities | 0 | - | 4.26 | 58,212 |
| Africa Capitals Quiz | 0 | - | 4.99 | 530,282 |
| Former Capitals Quiz | 0 | - | 4.74 | 54,567 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 41,876 |
| Biggest Cities in Poland | 0 | - | 4.72 | 40,351 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.38 | 10,738 |
| Biggest Cities Starting With A | 0 | - | 4.55 | 87,246 |
| Biggest Cities Starting With B | 0 | - | 4.38 | 121,195 |
| Biggest Cities Starting With C | 0 | - | 3.99 | 79,467 |
| Biggest Cities Starting With D | 0 | - | 4.46 | 84,927 |
| Biggest Cities Starting With H | 0 | - | 4.48 | 75,902 |
| Biggest Cities Starting With K | 0 | - | 4.35 | 63,572 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 85,236 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 99,035 |
| Biggest Cities Starting With P | 0 | - | 4.44 | 87,791 |
| Biggest Cities Starting With S | 0 | - | 4.34 | 92,957 |
| Biggest Cities Starting With T | 0 | - | 4.25 | 93,522 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 21,123 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.34 | 75,342 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.32 | 62,669 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 70,658 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 76,711 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.12 | 61,516 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.07 | 57,371 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 18,036 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.82 | 52,858 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,611 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,514 |
| Biggest U.S. Cities A-Z | 0 | - | 4.55 | 109,410 |
| Biggest World Cities A-Z | 0 | - | 4.39 | 167,373 |
| Biggest Cities in France | 0 | - | 4.53 | 162,102 |
| Biggest Cities in Spain | 0 | - | 4.66 | 133,346 |
| Biggest Cities in Italy | 0 | - | 4.64 | 189,702 |
| Biggest Cities in California | 0 | - | 4.30 | 120,091 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,561 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 573,408 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,950 |
| Biggest Cities in Africa Quiz | 0 | - | 4.89 | 84,292 |
| Biggest Cities in Ohio | 0 | - | 4.33 | 41,404 |
| Biggest Cities in The Netherlands | 0 | - | 4.42 | 36,744 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 29,916 |
| Biggest Cities in New York State | 0 | - | 4.20 | 51,311 |
| Biggest Cities in Europe | 0 | - | 4.64 | 404,777 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,584 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,306 |
| Biggest Cities in Canada | 0 | - | 4.57 | 109,025 |
| Biggest Cities in Sweden | 0 | - | 4.71 | 24,729 |
| Asia Capitals Quiz | 0 | - | 4.97 | 503,647 |
| Biggest Cities in China | 0 | - | 4.45 | 118,666 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 39,132 |
| Biggest Cities in Germany | 0 | - | 4.94 | 227,366 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,534 |
| Second Biggest Cities Quiz | 0 | - | 4.19 | 36,647 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 135,217 |
| Biggest City in Every Country | 0 | - | 4.97 | 67,016 |
| Biggest Cities in Louisiana | 0 | - | 3.98 | 16,382 |
| Biggest Cities in Colorado | 0 | - | 3.97 | 27,148 |
| Biggest Cities in Arizona | 0 | - | 4.24 | 24,853 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,378 |
| Biggest Cities in Illinois | 0 | - | 4.30 | 21,567 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,867 |
| Biggest Cities in Wisconsin | 0 | - | 4.35 | 20,635 |
| Biggest Cities in Georgia | 0 | - | 3.72 | 19,425 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,229 |
| Biggest Cities in Missouri | 0 | - | 4.18 | 14,234 |
| Biggest Cities in Oregon | 0 | - | 4.02 | 16,732 |
| Biggest Cities in Alaska | 0 | - | 4.39 | 16,880 |
| Biggest City by Time Zone | 0 | - | 4.74 | 49,865 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.42 | 78,292 |
| Biggest English Cities by Century | 0 | - | 4.92 | 86,000 |
| Biggest Cities in Switzerland | 0 | - | 4.56 | 38,420 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 110,143 |
| Biggest Cities in India | 0 | - | 4.52 | 55,017 |
| Biggest Cities in Asia | 0 | - | 4.87 | 86,157 |
| Biggest City by Island | 0 | - | 4.49 | 42,333 |
| Most Populous Countries in 1900 | 0 | - | 4.86 | 147,366 |
| Biggest Cities in History | 0 | - | 4.47 | 70,845 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 39,945 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.29 | 37,939 |
| Random Capital to Country | 0 | - | 4.99 | 2,080,774 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,517 |
| Random Country to Capital | 0 | - | 4.98 | 696,732 |
| Five Biggest Cities by Country | 0 | - | 4.74 | 122,749 |
| Most Populous Countries in 1950 | 0 | - | 4.64 | 63,556 |
| Europe Capital to Country | 0 | - | 4.99 | 199,434 |
| Important Cities in European History | 0 | - | 4.50 | 88,529 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,355 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,331 |
| Biggest Coastal City by Country | 0 | - | 4.56 | 24,191 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.53 | 58,901 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 16,028 |
| Most Populous World Capitals | 0 | - | 4.89 | 128,391 |
| Biggest City by Region | 0 | - | 4.50 | 29,261 |
| Most Populous 2nd Cities | 0 | - | 4.53 | 39,383 |
| Biggest City by Region #2 | 0 | - | 4.44 | 19,949 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,518 |
| City-States | 0 | - | 4.53 | 31,593 |
| Biggest European Cities by Century | 0 | - | 4.96 | 105,421 |
| Capitals of Most Populated Countries | 0 | - | 4.97 | 107,860 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,919 |
| Biggest Cities by Latitude | 0 | - | 4.73 | 24,156 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,409 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 39,478 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,798 |
| Biggest Axis-Controlled Cities | 0 | - | 4.24 | 31,555 |
| Biggest Two-Word Cities | 0 | - | 4.73 | 34,093 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 58,465 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.74 | 55,694 |
| Cities of Ireland | 0 | - | 4.40 | 35,764 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,919 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 146,626 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 73,332 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,455 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 118,530 |
| Cities of China (With Some Help) | 0 | - | 4.77 | 23,695 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.90 | 34,098 |
| Biggest Cities with Exceptions | 0 | - | 4.88 | 42,870 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.89 | 32,528 |
| Biggest Cities in the UK | 0 | - | 4.42 | 80,040 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 81,979 |
| World Capitals by Proximity | 0 | - | 4.91 | 263,931 |
| Megacities on a World Map | 0 | - | 4.97 | 200,195 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 175,115 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.78 | 48,944 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 95,727 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 73,852 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.78 | 38,797 |
| Most Populous Countries by Year | 0 | - | 4.78 | 79,509 |
| Ten Northernmost Megacities | 0 | - | 4.41 | 44,172 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 74,782 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 313,761 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,331 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 50,187 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.57 | 34,785 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.44 | 36,020 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 435,727 |
| Megacities on an Empty Map | 0 | - | 4.96 | 77,383 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 52,203 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 54,179 |
| All Cities in China with Population of 1 Million | 0 | - | 4.67 | 30,187 |
| Northernmost Major City by Country | 0 | - | 4.50 | 28,176 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.93 | 21,290 |
| All Cities in India with Population of 1 Million | 0 | - | 4.79 | 32,994 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 55,486 |
| Cities by Founder and Date | 0 | - | 4.50 | 26,035 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.46 | 42,602 |
| Two Largest Cities by First Two Letters | 0 | - | 4.65 | 56,347 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,626 |
| Cities Founded by the French in North America | 0 | - | 4.50 | 35,481 |
| Largest World Capitals with Exceptions | 0 | - | 4.66 | 37,952 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.72 | 62,213 |
| Most Populous Modern-Day Countries in 1 AD | 0 | - | 4.96 | 57,684 |
| Most Populous Modern-Day Countries in 1000 AD | 0 | - | 4.84 | 54,462 |
| Most Populous Modern-Day Countries in 1500 AD | 0 | - | 4.88 | 60,533 |
| Most Populous Modern-Day Countries in 1800 AD | 0 | - | 4.93 | 48,088 |
| First Countries to Reach 5 Million People | 0 | - | 4.91 | 99,325 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,378 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.53 | 43,457 |
| Biggest Cities Near a Border | 0 | - | 4.11 | 14,624 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,581 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 262,336 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.92 | 79,918 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,962 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,637 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.34 | 22,216 |
| Ten Southernmost Megacities | 0 | - | 4.82 | 41,978 |
| Biggest Cities by Trait #2 | 0 | - | 4.31 | 12,339 |
| Flags to Largest Cities | 0 | - | 4.55 | 23,194 |
| 500 Biggest US Cities | 0 | - | 4.88 | 76,397 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,498 |
| Saint Lucia Country Quiz | 0 | - | 4.57 | 13,927 |
| Top 10 Oldest U.S. State Capitals | 0 | - | 4.51 | 27,789 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 54,553 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 32,085 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.82 | 45,572 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.90 | 51,500 |
| Biggest Cities in the World - 2100 | 0 | - | 4.27 | 68,079 |
| Most Populous Modern-Day Countries by Century | 0 | - | 4.98 | 67,204 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.58 | 21,750 |
