| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.93 | 703,855 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,329,948 |
| World Capitals Quiz | 0 | - | 5.00 | 3,899,459 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,175,080 |
| South America Capitals Quiz | 0 | - | 4.99 | 358,380 |
| Biggest Cities in Texas | 0 | - | 4.20 | 94,693 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,788 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,161,984 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,391 |
| Biggest Cities in New Jersey | 0 | - | 3.97 | 22,035 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 286,574 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.55 | 89,404 |
| Biggest English-Speaking Cities | 0 | - | 4.39 | 127,484 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.82 | 98,795 |
| Biggest Cities by Language | 0 | - | 4.95 | 193,170 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,371 |
| Biggest Mediterranean Cities | 0 | - | 4.73 | 69,068 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 305,499 |
| Jewish Cities Quiz | 0 | - | 4.31 | 55,620 |
| Biggest Cities in Japan | 0 | - | 4.73 | 66,243 |
| Biggest US Cities by Decade | 0 | - | 4.93 | 132,361 |
| Biggest Cities in Russia | 0 | - | 4.48 | 68,497 |
| Fastest Growing U.S. Cities | 0 | - | 4.26 | 58,083 |
| Africa Capitals Quiz | 0 | - | 4.99 | 524,084 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 106,989 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 41,335 |
| Biggest Cities in Poland | 0 | - | 4.73 | 39,882 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.35 | 10,582 |
| Biggest Cities Starting With A | 0 | - | 4.54 | 86,442 |
| Biggest Cities Starting With B | 0 | - | 4.39 | 120,230 |
| Biggest Cities Starting With C | 0 | - | 3.99 | 79,069 |
| Biggest Cities Starting With D | 0 | - | 4.46 | 84,345 |
| Biggest Cities Starting With H | 0 | - | 4.49 | 74,972 |
| Biggest Cities Starting With K | 0 | - | 4.35 | 63,160 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 84,465 |
| Biggest Cities Starting With M | 0 | - | 4.47 | 98,111 |
| Biggest Cities Starting With P | 0 | - | 4.44 | 86,990 |
| Biggest Cities Starting With S | 0 | - | 4.34 | 92,209 |
| Biggest Cities Starting With T | 0 | - | 4.25 | 92,402 |
| Biggest Cities in Mexico | 0 | - | 4.51 | 20,814 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.36 | 74,413 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.31 | 62,081 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 69,896 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 75,899 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.10 | 61,140 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.09 | 57,019 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 17,732 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.81 | 52,577 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,231 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,123 |
| Biggest U.S. Cities A-Z | 0 | - | 4.53 | 108,649 |
| Biggest World Cities A-Z | 0 | - | 4.38 | 166,287 |
| Biggest Cities in France | 0 | - | 4.50 | 160,536 |
| Biggest Cities in Spain | 0 | - | 4.65 | 132,083 |
| Biggest Cities in Italy | 0 | - | 4.57 | 188,081 |
| Biggest Cities in California | 0 | - | 4.32 | 119,512 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,198 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 568,160 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,752 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 83,774 |
| Biggest Cities in Ohio | 0 | - | 4.33 | 41,157 |
| Biggest Cities in The Netherlands | 0 | - | 4.42 | 33,481 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 29,792 |
| Biggest Cities in New York State | 0 | - | 4.23 | 51,072 |
| Biggest Cities in Europe | 0 | - | 4.57 | 401,863 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,415 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,172 |
| Biggest Cities in Canada | 0 | - | 4.56 | 108,107 |
| Biggest Cities in Sweden | 0 | - | 4.67 | 24,393 |
| North America Capitals Quiz | 0 | - | 4.99 | 153,714 |
| Capitals of Oceania Quiz | 0 | - | 4.98 | 183,709 |
| Asia Capitals Quiz | 0 | - | 4.97 | 498,291 |
| Biggest Cities in China | 0 | - | 4.41 | 117,340 |
| Summer Olympics Host Cities | 0 | - | 4.97 | 160,366 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 38,938 |
| Biggest Cities in Germany | 0 | - | 4.94 | 225,102 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,253 |
| Capitals in their Native Languages | 0 | - | 4.93 | 106,111 |
| Second Biggest Cities Quiz | 0 | - | 4.19 | 36,508 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 133,978 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,507 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 16,279 |
| Biggest Cities in Colorado | 0 | - | 3.97 | 26,991 |
| Biggest Cities in Arizona | 0 | - | 4.24 | 24,640 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,241 |
| Biggest Cities in Illinois | 0 | - | 4.29 | 21,356 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,636 |
| Biggest Cities in Wisconsin | 0 | - | 4.41 | 20,469 |
| Biggest Cities in Georgia | 0 | - | 3.72 | 19,316 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,075 |
| Biggest Cities in Missouri | 0 | - | 4.18 | 14,134 |
| Biggest Cities in Oregon | 0 | - | 4.00 | 16,585 |
| Biggest Cities in Alaska | 0 | - | 4.38 | 16,698 |
| Biggest City by Time Zone | 0 | - | 4.74 | 49,622 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.42 | 77,986 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,145 |
| Biggest Cities in Switzerland | 0 | - | 4.55 | 38,031 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 109,433 |
| Biggest Cities in India | 0 | - | 4.52 | 54,574 |
| Biggest Cities in Asia | 0 | - | 4.87 | 85,472 |
| Biggest City by Island | 0 | - | 4.49 | 42,045 |
| Official Cities in the UK | 0 | - | 4.89 | 196,210 |
| Biggest Cities in History | 0 | - | 4.49 | 69,997 |
| Biggest Cities by Trait #1 | 0 | - | 4.43 | 39,680 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.29 | 37,801 |
| Random Capital to Country | 0 | - | 4.99 | 2,063,185 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,051 |
| Random Country to Capital | 0 | - | 4.98 | 690,668 |
| Five Biggest Cities by Country | 0 | - | 4.76 | 121,842 |
| Coldest World Capitals | 0 | - | 4.97 | 104,984 |
| Europe Capital to Country | 0 | - | 4.99 | 198,252 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,027 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,005 |
| Biggest Coastal City by Country | 0 | - | 4.56 | 23,886 |
| Same Letter Country and Capital | 0 | - | 4.98 | 103,078 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.49 | 51,699 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 15,817 |
| Most Populous World Capitals | 0 | - | 4.89 | 127,517 |
| Biggest City by Region | 0 | - | 4.50 | 28,912 |
| Most Populous 2nd Cities | 0 | - | 4.53 | 38,935 |
| Biggest City by Region #2 | 0 | - | 4.46 | 19,656 |
| Solve the Secret Capital City | 0 | - | 4.82 | 125,393 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,318 |
| Biggest European Cities by Century | 0 | - | 4.97 | 104,617 |
| Capitals of Most Populated Countries | 0 | - | 4.97 | 107,247 |
| Five Most Populated Countries by Continent | 0 | - | 4.99 | 223,746 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,810 |
| Biggest Cities by Latitude | 0 | - | 4.73 | 23,992 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.91 | 58,865 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 39,080 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.63 | 58,392 |
| Biggest Axis-Controlled Cities | 0 | - | 4.24 | 31,432 |
| Biggest Two-Word Cities | 0 | - | 4.71 | 33,658 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 57,845 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.73 | 55,131 |
| World Capitals by Map | 0 | - | 5.00 | 188,552 |
| Cities of Ireland | 0 | - | 4.39 | 35,537 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,710 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 145,285 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 72,704 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,189 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.92 | 117,608 |
| Cities of China (With Some Help) | 0 | - | 4.74 | 23,290 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 33,633 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 42,485 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.88 | 32,248 |
| Biggest Cities in the UK | 0 | - | 4.42 | 78,867 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.93 | 81,097 |
| World Capitals by Proximity | 0 | - | 4.91 | 262,571 |
| Biggest World Cities in 1850 | 0 | - | 4.52 | 47,360 |
| Megacities on a World Map | 0 | - | 4.97 | 198,201 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 153,103 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.78 | 48,635 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 93,964 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 72,703 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.84 | 38,445 |
| Ten Northernmost Megacities | 0 | - | 4.41 | 43,947 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.93 | 73,410 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 299,894 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 100,460 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,135 |
| U.S. State Capitals Map Quiz | 0 | - | 4.90 | 108,202 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.91 | 153,586 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 49,790 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.88 | 175,111 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.53 | 34,528 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.44 | 35,720 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 431,312 |
| Megacities on an Empty Map | 0 | - | 4.96 | 76,695 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 51,621 |
| All 3M Cities on the World Map | 0 | - | 4.93 | 53,308 |
| All Cities in China with Population of 1 Million | 0 | - | 4.65 | 26,938 |
| Northernmost Major City by Country | 0 | - | 4.50 | 28,006 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 20,111 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 28,834 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 54,822 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 42,045 |
| Two Largest Cities by First Two Letters | 0 | - | 4.65 | 55,894 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,393 |
| Largest World Capitals with Exceptions | 0 | - | 4.65 | 36,674 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.71 | 61,794 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,068 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.52 | 43,135 |
| Biggest Cities Near a Border | 0 | - | 4.12 | 14,481 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,268 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.96 | 259,599 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.93 | 78,896 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,532 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,442 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.33 | 22,068 |
| Ten Southernmost Megacities | 0 | - | 4.67 | 32,215 |
| Biggest Cities by Trait #2 | 0 | - | 4.30 | 12,176 |
| Flags to Largest Cities | 0 | - | 4.55 | 22,599 |
| 500 Biggest US Cities | 0 | - | 4.90 | 75,005 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,319 |
| Saint Lucia Country Quiz | 0 | - | 4.64 | 13,760 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 53,857 |
| Random European Capital to Country | 0 | - | 4.97 | 127,643 |
| Random European Country to Capital | 0 | - | 4.90 | 103,361 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 31,448 |
