| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.93 | 706,006 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,334,271 |
| Biggest Cities in Texas | 0 | - | 4.20 | 94,841 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,861 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,164,694 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,578 |
| Biggest Cities in New Jersey | 0 | - | 3.97 | 22,071 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 287,260 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.54 | 89,665 |
| Biggest English-Speaking Cities | 0 | - | 4.39 | 127,638 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.84 | 98,954 |
| Biggest Cities by Language | 0 | - | 4.95 | 193,517 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,444 |
| Biggest Mediterranean Cities | 0 | - | 4.73 | 69,193 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 306,052 |
| Jewish Cities Quiz | 0 | - | 4.31 | 55,698 |
| Biggest Cities in Japan | 0 | - | 4.73 | 66,417 |
| Biggest US Cities by Decade | 0 | - | 4.93 | 132,606 |
| Biggest Cities in Russia | 0 | - | 4.48 | 68,646 |
| Fastest Growing U.S. Cities | 0 | - | 4.26 | 58,115 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 41,500 |
| Biggest Cities in Poland | 0 | - | 4.73 | 40,025 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.36 | 10,621 |
| Biggest Cities Starting With A | 0 | - | 4.54 | 86,758 |
| Biggest Cities Starting With B | 0 | - | 4.38 | 120,708 |
| Biggest Cities Starting With C | 0 | - | 3.99 | 79,225 |
| Biggest Cities Starting With D | 0 | - | 4.46 | 84,570 |
| Biggest Cities Starting With H | 0 | - | 4.48 | 75,255 |
| Biggest Cities Starting With K | 0 | - | 4.35 | 63,298 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 84,767 |
| Biggest Cities Starting With M | 0 | - | 4.47 | 98,460 |
| Biggest Cities Starting With P | 0 | - | 4.44 | 87,327 |
| Biggest Cities Starting With S | 0 | - | 4.34 | 92,518 |
| Biggest Cities Starting With T | 0 | - | 4.25 | 93,055 |
| Biggest Cities in Mexico | 0 | - | 4.51 | 20,928 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.34 | 74,953 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.31 | 62,340 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 70,141 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 76,400 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.10 | 61,278 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.09 | 57,148 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 17,845 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.81 | 52,676 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,374 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,259 |
| Biggest U.S. Cities A-Z | 0 | - | 4.53 | 108,908 |
| Biggest World Cities A-Z | 0 | - | 4.38 | 166,603 |
| Biggest Cities in France | 0 | - | 4.51 | 161,064 |
| Biggest Cities in Spain | 0 | - | 4.64 | 132,488 |
| Biggest Cities in Italy | 0 | - | 4.57 | 188,558 |
| Biggest Cities in California | 0 | - | 4.30 | 119,695 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,288 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 569,828 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,813 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 83,935 |
| Biggest Cities in Ohio | 0 | - | 4.33 | 41,227 |
| Biggest Cities in The Netherlands | 0 | - | 4.42 | 33,617 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 29,834 |
| Biggest Cities in New York State | 0 | - | 4.23 | 51,149 |
| Biggest Cities in Europe | 0 | - | 4.56 | 402,821 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,471 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,223 |
| Biggest Cities in Canada | 0 | - | 4.56 | 108,563 |
| Biggest Cities in Sweden | 0 | - | 4.71 | 24,489 |
| Countries with the Highest Population Density | 0 | - | 4.88 | 131,158 |
| Biggest Cities in China | 0 | - | 4.41 | 117,834 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 38,998 |
| Countries with the Lowest Population Density | 0 | - | 4.97 | 126,373 |
| Biggest Cities in Germany | 0 | - | 4.94 | 225,786 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,354 |
| Second Biggest Cities Quiz | 0 | - | 4.19 | 36,553 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 134,275 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,663 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 16,313 |
| Biggest Cities in Colorado | 0 | - | 3.97 | 27,040 |
| Biggest Cities in Arizona | 0 | - | 4.24 | 24,707 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,278 |
| Biggest Cities in Illinois | 0 | - | 4.30 | 21,414 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,717 |
| Biggest Cities in Wisconsin | 0 | - | 4.41 | 20,546 |
| Biggest Cities in Georgia | 0 | - | 3.72 | 19,346 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,128 |
| Biggest Cities in Missouri | 0 | - | 4.18 | 14,168 |
| Biggest Cities in Oregon | 0 | - | 4.02 | 16,654 |
| Biggest Cities in Alaska | 0 | - | 4.39 | 16,773 |
| Biggest City by Time Zone | 0 | - | 4.74 | 49,707 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.42 | 78,099 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,412 |
| Biggest Cities in Switzerland | 0 | - | 4.55 | 38,141 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 109,575 |
| Most Populous Countries in 2050 | 0 | - | 4.92 | 173,048 |
| Biggest Cities in India | 0 | - | 4.52 | 54,731 |
| Biggest Cities in Asia | 0 | - | 4.87 | 85,761 |
| Biggest City by Island | 0 | - | 4.49 | 42,140 |
| Most Populous Countries in 1900 | 0 | - | 4.86 | 146,775 |
| Biggest Cities in History | 0 | - | 4.49 | 70,317 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 39,763 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.29 | 37,826 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,199 |
| Five Biggest Cities by Country | 0 | - | 4.76 | 122,156 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,138 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,107 |
| Biggest Coastal City by Country | 0 | - | 4.56 | 23,983 |
| U.S. States with the Lowest Population Density | 0 | - | 4.90 | 74,431 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.49 | 51,790 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 15,888 |
| Most Populous World Capitals | 0 | - | 4.89 | 127,701 |
| Biggest City by Region | 0 | - | 4.50 | 29,008 |
| Most Populous 2nd Cities | 0 | - | 4.52 | 39,095 |
| Biggest City by Region #2 | 0 | - | 4.46 | 19,736 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,401 |
| Biggest European Cities by Century | 0 | - | 4.97 | 104,885 |
| Top 10 Most Densely-Populated Countries in Europe | 0 | - | 4.98 | 81,592 |
| Capitals of Most Populated Countries | 0 | - | 4.97 | 107,456 |
| Countries More Populous Than Their Neighbors | 0 | - | 4.99 | 113,086 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 224,229 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,848 |
| Biggest Cities by Latitude | 0 | - | 4.73 | 24,036 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.91 | 59,033 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 39,298 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,527 |
| Biggest Axis-Controlled Cities | 0 | - | 4.24 | 31,467 |
| Biggest Two-Word Cities | 0 | - | 4.71 | 33,803 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 58,066 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.73 | 55,336 |
| Cities of Ireland | 0 | - | 4.39 | 35,607 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,777 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 145,704 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 72,922 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,276 |
| Countries With More Than 100 Million People | 0 | - | 4.97 | 100,416 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.92 | 117,892 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 123,068 |
| Top 10 Least Populous U.S. States | 0 | - | 4.95 | 146,487 |
| Cities of China (With Some Help) | 0 | - | 4.77 | 23,431 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 33,763 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 42,617 |
| Top 50 Countries by Population - In Order | 0 | - | 4.96 | 217,088 |
| Countries with Megacities | 0 | - | 4.99 | 173,736 |
| Countries of Europe by Population | 0 | - | 4.98 | 108,117 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 167,790 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 126,762 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 122,784 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.89 | 32,344 |
| Biggest Cities in the UK | 0 | - | 4.42 | 79,517 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 81,517 |
| Biggest World Cities in 1850 | 0 | - | 4.52 | 47,466 |
| Megacities on a World Map | 0 | - | 4.97 | 198,941 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 153,803 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.78 | 48,737 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 94,232 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 72,919 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,569 |
| Ten Northernmost Megacities | 0 | - | 4.41 | 44,007 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.93 | 73,613 |
| Most Populous Countries with Exceptions | 0 | - | 4.97 | 85,401 |
| Most Populated Countries Bordering the Pacific Ocean | 0 | - | 4.98 | 71,879 |
| Countries With More than 200 Million People | 0 | - | 4.94 | 83,388 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 301,099 |
| Countries With More than 50 Million People | 0 | - | 4.98 | 124,691 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,214 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 49,906 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.54 | 34,609 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.44 | 35,831 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 432,807 |
| Megacities on an Empty Map | 0 | - | 4.96 | 76,928 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 51,819 |
| All 3M Cities on the World Map | 0 | - | 4.93 | 53,599 |
| All Cities in China with Population of 1 Million | 0 | - | 4.65 | 27,325 |
| Northernmost Major City by Country | 0 | - | 4.50 | 28,056 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 20,657 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 30,773 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 55,038 |
| Five Most Populated Countries by Hemisphere | 0 | - | 4.93 | 78,127 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 42,253 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.91 | 75,833 |
| Countries with the Most Population Growth by Decade | 0 | - | 4.98 | 86,827 |
| Two Largest Cities by First Two Letters | 0 | - | 4.65 | 56,049 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,454 |
| Largest World Capitals with Exceptions | 0 | - | 4.65 | 37,382 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.71 | 61,928 |
| First Countries to Reach 5 Million People | 0 | - | 4.91 | 98,675 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,178 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.52 | 43,235 |
| Biggest Cities Near a Border | 0 | - | 4.12 | 14,515 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,363 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 260,412 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.93 | 79,180 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,666 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,500 |
| Flags of Countries With More Than 100 Million People | 0 | - | 4.97 | 112,019 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.33 | 22,116 |
| Most Populous Countries Bordering Each Other | 0 | - | 4.96 | 85,858 |
| Ten Southernmost Megacities | 0 | - | 4.67 | 32,316 |
| Biggest Cities by Trait #2 | 0 | - | 4.31 | 12,241 |
| Flags to Largest Cities | 0 | - | 4.55 | 22,812 |
| 500 Biggest US Cities | 0 | - | 4.90 | 75,440 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,384 |
| Saint Lucia Country Quiz | 0 | - | 4.64 | 13,819 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 54,067 |
