| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.93 | 704,874 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,331,992 |
| World Capitals Quiz | 0 | - | 5.00 | 3,904,055 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,176,599 |
| South America Capitals Quiz | 0 | - | 4.99 | 358,956 |
| Biggest Cities in Texas | 0 | - | 4.20 | 94,752 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,815 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,163,206 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,475 |
| Biggest Cities in New Jersey | 0 | - | 3.97 | 22,052 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 286,881 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.54 | 89,526 |
| Biggest English-Speaking Cities | 0 | - | 4.39 | 127,545 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.82 | 98,865 |
| Biggest Cities by Language | 0 | - | 4.95 | 193,334 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,406 |
| Biggest Mediterranean Cities | 0 | - | 4.73 | 69,121 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 305,733 |
| Jewish Cities Quiz | 0 | - | 4.31 | 55,662 |
| Biggest Cities in Japan | 0 | - | 4.73 | 66,332 |
| Biggest US Cities by Decade | 0 | - | 4.93 | 132,469 |
| Biggest Cities in Russia | 0 | - | 4.48 | 68,561 |
| Fastest Growing U.S. Cities | 0 | - | 4.26 | 58,096 |
| Africa Capitals Quiz | 0 | - | 4.99 | 525,031 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 107,099 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 41,397 |
| Biggest Cities in Poland | 0 | - | 4.73 | 39,939 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.36 | 10,604 |
| Biggest Cities Starting With A | 0 | - | 4.54 | 86,595 |
| Biggest Cities Starting With B | 0 | - | 4.38 | 120,515 |
| Biggest Cities Starting With C | 0 | - | 3.99 | 79,144 |
| Biggest Cities Starting With D | 0 | - | 4.46 | 84,440 |
| Biggest Cities Starting With H | 0 | - | 4.49 | 75,103 |
| Biggest Cities Starting With K | 0 | - | 4.35 | 63,220 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 84,607 |
| Biggest Cities Starting With M | 0 | - | 4.47 | 98,275 |
| Biggest Cities Starting With P | 0 | - | 4.44 | 87,149 |
| Biggest Cities Starting With S | 0 | - | 4.34 | 92,357 |
| Biggest Cities Starting With T | 0 | - | 4.25 | 92,701 |
| Biggest Cities in Mexico | 0 | - | 4.51 | 20,870 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.36 | 74,864 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.31 | 62,261 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 70,070 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 76,336 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.10 | 61,237 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.09 | 57,108 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 17,812 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.81 | 52,638 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,328 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,213 |
| Biggest U.S. Cities A-Z | 0 | - | 4.53 | 108,765 |
| Biggest World Cities A-Z | 0 | - | 4.38 | 166,424 |
| Biggest Cities in France | 0 | - | 4.50 | 160,769 |
| Biggest Cities in Spain | 0 | - | 4.65 | 132,265 |
| Biggest Cities in Italy | 0 | - | 4.57 | 188,317 |
| Biggest Cities in California | 0 | - | 4.32 | 119,583 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,238 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 568,869 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,777 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 83,832 |
| Biggest Cities in Ohio | 0 | - | 4.33 | 41,189 |
| Biggest Cities in The Netherlands | 0 | - | 4.42 | 33,537 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 29,815 |
| Biggest Cities in New York State | 0 | - | 4.23 | 51,104 |
| Biggest Cities in Europe | 0 | - | 4.57 | 402,296 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,436 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,190 |
| Biggest Cities in Canada | 0 | - | 4.56 | 108,266 |
| Biggest Cities in Sweden | 0 | - | 4.67 | 24,438 |
| North America Capitals Quiz | 0 | - | 4.99 | 153,975 |
| Capitals of Oceania Quiz | 0 | - | 4.98 | 184,050 |
| Asia Capitals Quiz | 0 | - | 4.97 | 499,297 |
| Biggest Cities in China | 0 | - | 4.41 | 117,534 |
| Summer Olympics Host Cities | 0 | - | 4.97 | 160,530 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 38,968 |
| Biggest Cities in Germany | 0 | - | 4.94 | 225,431 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,302 |
| Capitals in their Native Languages | 0 | - | 4.93 | 106,195 |
| Second Biggest Cities Quiz | 0 | - | 4.19 | 36,524 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 134,087 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,572 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 16,297 |
| Biggest Cities in Colorado | 0 | - | 3.97 | 27,017 |
| Biggest Cities in Arizona | 0 | - | 4.24 | 24,666 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,258 |
| Biggest Cities in Illinois | 0 | - | 4.29 | 21,382 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,669 |
| Biggest Cities in Wisconsin | 0 | - | 4.41 | 20,501 |
| Biggest Cities in Georgia | 0 | - | 3.72 | 19,329 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,101 |
| Biggest Cities in Missouri | 0 | - | 4.18 | 14,148 |
| Biggest Cities in Oregon | 0 | - | 4.02 | 16,608 |
| Biggest Cities in Alaska | 0 | - | 4.38 | 16,728 |
| Biggest City by Time Zone | 0 | - | 4.74 | 49,657 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.42 | 78,041 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,243 |
| Biggest Cities in Switzerland | 0 | - | 4.55 | 38,084 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 109,495 |
| Biggest Cities in India | 0 | - | 4.52 | 54,648 |
| Biggest Cities in Asia | 0 | - | 4.87 | 85,542 |
| Biggest City by Island | 0 | - | 4.49 | 42,081 |
| Official Cities in the UK | 0 | - | 4.89 | 196,457 |
| Biggest Cities in History | 0 | - | 4.49 | 70,115 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 39,720 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.29 | 37,813 |
| Random Capital to Country | 0 | - | 4.99 | 2,065,733 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,117 |
| Random Country to Capital | 0 | - | 4.98 | 691,586 |
| Five Biggest Cities by Country | 0 | - | 4.76 | 121,986 |
| Coldest World Capitals | 0 | - | 4.97 | 105,048 |
| Europe Capital to Country | 0 | - | 4.99 | 198,425 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,081 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,051 |
| Biggest Coastal City by Country | 0 | - | 4.56 | 23,926 |
| Same Letter Country and Capital | 0 | - | 4.98 | 103,175 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.49 | 51,741 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 15,848 |
| Most Populous World Capitals | 0 | - | 4.89 | 127,597 |
| Biggest City by Region | 0 | - | 4.50 | 28,955 |
| Most Populous 2nd Cities | 0 | - | 4.53 | 39,012 |
| Biggest City by Region #2 | 0 | - | 4.46 | 19,706 |
| Solve the Secret Capital City | 0 | - | 4.81 | 125,517 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,353 |
| Biggest European Cities by Century | 0 | - | 4.97 | 104,749 |
| Capitals of Most Populated Countries | 0 | - | 4.97 | 107,342 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 223,971 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,822 |
| Biggest Cities by Latitude | 0 | - | 4.73 | 24,009 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.91 | 58,946 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 39,146 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,458 |
| Biggest Axis-Controlled Cities | 0 | - | 4.24 | 31,445 |
| Biggest Two-Word Cities | 0 | - | 4.71 | 33,715 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 57,923 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.73 | 55,217 |
| World Capitals by Map | 0 | - | 5.00 | 188,980 |
| Cities of Ireland | 0 | - | 4.39 | 35,570 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,739 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 145,452 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 72,794 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,226 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.92 | 117,712 |
| Cities of China (With Some Help) | 0 | - | 4.77 | 23,358 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 33,691 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 42,556 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.88 | 32,290 |
| Biggest Cities in the UK | 0 | - | 4.42 | 79,380 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.93 | 81,393 |
| World Capitals by Proximity | 0 | - | 4.91 | 262,799 |
| Biggest World Cities in 1850 | 0 | - | 4.52 | 47,404 |
| Megacities on a World Map | 0 | - | 4.97 | 198,444 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 153,275 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.78 | 48,688 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 94,049 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 72,786 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,501 |
| Ten Northernmost Megacities | 0 | - | 4.41 | 43,970 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.93 | 73,488 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 300,398 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 100,581 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,167 |
| U.S. State Capitals Map Quiz | 0 | - | 4.90 | 108,407 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.91 | 153,757 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 49,839 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.88 | 175,311 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.54 | 34,562 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.44 | 35,762 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 432,039 |
| Megacities on an Empty Map | 0 | - | 4.96 | 76,795 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 51,702 |
| All 3M Cities on the World Map | 0 | - | 4.93 | 53,445 |
| All Cities in China with Population of 1 Million | 0 | - | 4.65 | 27,102 |
| Northernmost Major City by Country | 0 | - | 4.50 | 28,031 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 20,449 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 28,915 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 54,933 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 42,127 |
| Two Largest Cities by First Two Letters | 0 | - | 4.65 | 55,965 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,420 |
| Largest World Capitals with Exceptions | 0 | - | 4.65 | 37,113 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.71 | 61,853 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,111 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.52 | 43,187 |
| Biggest Cities Near a Border | 0 | - | 4.12 | 14,496 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,309 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 259,975 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.93 | 79,019 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,592 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,473 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.33 | 22,090 |
| Ten Southernmost Megacities | 0 | - | 4.67 | 32,249 |
| Biggest Cities by Trait #2 | 0 | - | 4.31 | 12,204 |
| Flags to Largest Cities | 0 | - | 4.55 | 22,696 |
| 500 Biggest US Cities | 0 | - | 4.90 | 75,181 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,352 |
| Saint Lucia Country Quiz | 0 | - | 4.64 | 13,790 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 53,954 |
| Random European Capital to Country | 0 | - | 4.97 | 127,801 |
| Random European Country to Capital | 0 | - | 4.90 | 103,495 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 31,528 |
