| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in Brazil | 0 | - | 4.54 | 47,608 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 89,653 |
| Biggest Cities in Germany | 0 | - | 4.94 | 258,158 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 655,465 |
| Biggest Cities in Asia | 0 | - | 4.91 | 93,915 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 42,317 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 36,658 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.88 | 73,163 |
| All Cities in India with Population of 1 Million | 0 | - | 4.82 | 39,785 |
| Biggest City in Every Country | 0 | - | 4.98 | 75,459 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 163,930 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 89,384 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 92,096 |
| Biggest Cities with Exceptions | 0 | - | 4.84 | 51,814 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 195,624 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.84 | 57,121 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 107,105 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 363,250 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.94 | 62,669 |
| Biggest Cities in Deserts | 0 | - | 4.93 | 41,321 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 298,361 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 94,741 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.89 | 58,093 |
| Biggest Cities in the United States | 0 | - | 4.90 | 799,368 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 318,348 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 129,233 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.85 | 43,378 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.92 | 87,975 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 503,737 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.91 | 68,163 |
| 500 Biggest US Cities | 0 | - | 4.83 | 94,346 |
| 100 Biggest Cities in North America on a Map | 0 | - | 4.82 | 50,998 |
| Cities of China (With Some Help) | 0 | - | 4.88 | 27,752 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.85 | 107,288 |
| Biggest Cities by Language | 0 | - | 4.95 | 211,101 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 64,121 |
| Most Populous World Capitals | 0 | - | 4.91 | 144,281 |
| Biggest European Cities by Century | 0 | - | 4.96 | 116,915 |
| Megacities on a World Map | 0 | - | 4.98 | 217,079 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 58,881 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 61,899 |
| Every 1,000,000+ City on a Map | 0 | - | 4.98 | 80,665 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.41 | 12,771 |
| Biggest City in Each U.S. State | 0 | - | 4.85 | 148,431 |
| Biggest Cities in France - Extreme | 0 | - | 4.90 | 42,102 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 152,690 |
| Biggest Cities in Europe | 0 | - | 4.50 | 445,246 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 27,768 |
| Megacities on an Empty Map | 0 | - | 4.96 | 85,953 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.82 | 62,600 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 66,622 |
| Biggest Cities in Mexico | 0 | - | 4.54 | 28,225 |
| Biggest English Cities by Century | 0 | - | 4.93 | 98,180 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 32,113 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.70 | 67,841 |
| Biggest Mediterranean Cities | 0 | - | 4.60 | 74,088 |
| Biggest Cities in Japan | 0 | - | 4.70 | 74,187 |
| Biggest Cities in Russia | 0 | - | 4.46 | 75,408 |
| Biggest Cities in France | 0 | - | 4.62 | 195,362 |
| Biggest Cities in Spain | 0 | - | 4.48 | 150,888 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 49,154 |
| Biggest Cities in Poland | 0 | - | 4.56 | 47,121 |
| Biggest Cities in the UK | 0 | - | 4.41 | 91,586 |
| Biggest Cities in China | 0 | - | 4.44 | 134,859 |
| Cities of Ireland | 0 | - | 4.43 | 39,139 |
| Biggest Cities in Canada | 0 | - | 4.68 | 118,673 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 42,947 |
| Biggest Cities in India | 0 | - | 4.61 | 61,427 |
| Biggest Cities in Italy | 0 | - | 4.63 | 213,405 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 59,591 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.60 | 55,656 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.51 | 73,685 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.76 | 62,204 |
| All Cities in China with Population of 1 Million | 0 | - | 4.62 | 37,171 |
| Biggest City by Time Zone | 0 | - | 4.79 | 52,840 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.46 | 97,033 |
| Biggest Cities by Trait #1 | 0 | - | 4.42 | 42,664 |
| Biggest City by Region | 0 | - | 4.45 | 32,838 |
| Most Populous 2nd Cities | 0 | - | 4.52 | 52,554 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 69,724 |
| Largest World Capitals with Exceptions | 0 | - | 4.70 | 50,063 |
| Two Largest Cities by First Two Letters | 0 | - | 4.63 | 66,488 |
| Ten Northernmost Megacities | 0 | - | 4.42 | 46,587 |
| Ten Southernmost Megacities | 0 | - | 4.78 | 45,747 |
| Saint Lucia Country Quiz | 0 | - | 4.60 | 15,974 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 22,539 |
| Biggest European Cities by Letter | 0 | - | 4.52 | 117,443 |
| Biggest City by Island | 0 | - | 4.51 | 45,378 |
| Biggest Cities in History | 0 | - | 4.47 | 78,629 |
| Top 10 World Cities Through History | 0 | - | 4.42 | 67,273 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.51 | 62,495 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 54,974 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.47 | 39,599 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.43 | 52,101 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 39,715 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 33,548 |
| Biggest World Cities in 1850 | 0 | - | 4.63 | 63,972 |
| Biggest Urban Areas in the UK | 0 | - | 4.36 | 166,253 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.42 | 28,154 |
| Biggest Cities Starting With A | 0 | - | 4.47 | 110,198 |
| Biggest Cities Starting With D | 0 | - | 4.47 | 105,496 |
| Biggest Cities Starting With H | 0 | - | 4.53 | 95,837 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 108,408 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 126,261 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 112,548 |
| Largest World Cities With Four Letters | 0 | - | 4.43 | 42,880 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 60,895 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 50,205 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.46 | 37,478 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.70 | 42,266 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.57 | 34,921 |
| Biggest U.S. Cities A-Z | 0 | - | 4.51 | 121,196 |
| Countries With More Than 100 Million People | 0 | - | 4.98 | 134,949 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.96 | 107,708 |
| Fastest Growing U.S. Cities | 0 | - | 4.32 | 69,601 |
| Second Biggest Cities Quiz | 0 | - | 4.20 | 38,701 |
| Biggest Nordic Cities | 0 | - | 4.35 | 59,375 |
| Biggest Coastal City by Country | 0 | - | 4.56 | 26,874 |
| Biggest City by Region #2 | 0 | - | 4.45 | 22,619 |
| Biggest Cities by Latitude | 0 | - | 4.74 | 26,026 |
| Northernmost Major City by Country | 0 | - | 4.53 | 30,476 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 28,431 |
| 100 Biggest Cities in New Zealand with a Map | 0 | - | 4.47 | 20,283 |
| Biggest Cities in California | 0 | - | 4.34 | 129,061 |
| Biggest Cities in Florida | 0 | - | 4.19 | 66,676 |
| Biggest Cities in New York State | 0 | - | 4.23 | 55,286 |
| Biggest Cities in Pennsylvania | 0 | - | 4.14 | 42,298 |
| Biggest Cities in North Carolina | 0 | - | 4.54 | 31,536 |
| Biggest Cities in Ohio | 0 | - | 4.36 | 45,267 |
| Biggest Cities in Texas | 0 | - | 4.24 | 110,279 |
| Biggest Cities in Wisconsin | 0 | - | 4.45 | 23,119 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,290,925 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 345,361 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.68 | 97,797 |
| Biggest English-Speaking Cities | 0 | - | 4.38 | 135,081 |
| Five Biggest Cities by Country | 0 | - | 4.50 | 149,857 |
| Largest Cities in Alexander's Empire | 0 | - | 4.48 | 38,379 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.29 | 36,360 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.21 | 86,974 |
| Biggest Cities in the World - 2100 | 0 | - | 4.26 | 79,008 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.61 | 24,213 |
| Largest Nordic Cities on a Map | 0 | - | 4.61 | 22,103 |
| Biggest Cities in Portugal | 0 | - | 4.36 | 18,517 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.30 | 39,684 |
| Biggest World Cities A-Z | 0 | - | 4.41 | 189,252 |
| Biggest Cities Starting With B | 0 | - | 4.29 | 145,398 |
| Biggest Cities Starting With C | 0 | - | 4.03 | 95,575 |
| Biggest Cities Starting With K | 0 | - | 4.27 | 77,607 |
| Biggest Cities Starting With S | 0 | - | 4.35 | 112,711 |
| Biggest Cities Starting With T | 0 | - | 4.28 | 114,458 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 122,282 |
| Countries with Megacities | 0 | - | 4.99 | 191,824 |
| Countries With More than 50 Million People | 0 | - | 4.99 | 166,779 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 95,641 |
| Countries With More than 200 Million People | 0 | - | 4.93 | 91,944 |
| Countries Less Populous Than Their Neighbors | 0 | - | 4.97 | 61,565 |
| Top 50 Countries by Population - In Order | 0 | - | 4.97 | 242,020 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.63 | 64,272 |
| Capitals of the Most Populated Countries | 0 | - | 4.97 | 115,316 |
| Five Most Densely Populated Countries by Continent | 0 | - | 4.95 | 64,557 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 241,606 |
| Most Populous Countries with Exceptions | 0 | - | 4.98 | 107,311 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 88,982 |
| Five Least Densely Populated Countries by Continent | 0 | - | 4.95 | 63,726 |
| Jewish Cities Quiz | 0 | - | 4.31 | 58,920 |
| U.S. Cities by Hispanic Population | 0 | - | 4.24 | 24,318 |
| Biggest Cities by Trait #2 | 0 | - | 4.33 | 13,967 |
| Flags to Largest Cities | 0 | - | 4.63 | 30,090 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.31 | 82,198 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.30 | 68,783 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 76,871 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.09 | 82,550 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.12 | 65,403 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.14 | 61,149 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.19 | 59,403 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.27 | 66,821 |
| Biggest Cities in Washington State | 0 | - | 4.38 | 27,635 |
| Biggest Cities in New Jersey | 0 | - | 4.05 | 24,619 |
| Biggest Cities in Colorado | 0 | - | 4.03 | 29,611 |
| Biggest Cities in Virginia | 0 | - | 4.23 | 22,610 |
| Biggest Cities in Oregon | 0 | - | 4.10 | 18,473 |
| Biggest Cities in Alaska | 0 | - | 4.23 | 23,245 |
| Biggest Cities in Arizona | 0 | - | 4.22 | 28,038 |
| Biggest Cities in Illinois | 0 | - | 4.33 | 24,113 |
| Biggest Cities in Louisiana | 0 | - | 4.07 | 17,977 |
| Biggest Cities in Massachusetts | 0 | - | 4.35 | 27,146 |
| Biggest Cities in Michigan | 0 | - | 3.97 | 32,033 |
| Biggest Cities in Missouri | 0 | - | 4.20 | 15,655 |
| Biggest Cities in Tennessee | 0 | - | 4.24 | 18,911 |
| Biggest Cities in Indiana | 0 | - | 4.28 | 19,523 |
| South America Flags Map Quiz | 0 | - | 4.96 | 67,764 |
| Countries of Europe by Population | 0 | - | 4.98 | 122,291 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 201,335 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 157,972 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 154,555 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 79,188 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.92 | 83,112 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 143,600 |
| Five Most Populated Countries on a Multicolored World Map | 0 | - | 4.97 | 63,116 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.98 | 77,793 |
