| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.93 | 704,510 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,331,219 |
| World Capitals Quiz | 0 | - | 5.00 | 3,902,334 |
| Europe Capitals Quiz | 0 | - | 5.00 | 1,176,041 |
| South America Capitals Quiz | 0 | - | 4.99 | 358,766 |
| Biggest Cities in Texas | 0 | - | 4.20 | 94,721 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,801 |
| Biggest Countries by Population | 0 | - | 4.99 | 1,162,742 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,440 |
| Biggest Cities in New Jersey | 0 | - | 3.97 | 22,044 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 286,755 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.55 | 89,481 |
| Biggest English-Speaking Cities | 0 | - | 4.39 | 127,524 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.82 | 98,843 |
| Biggest Cities by Language | 0 | - | 4.95 | 193,277 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,397 |
| Biggest Mediterranean Cities | 0 | - | 4.73 | 69,096 |
| Smallest Countries by Population and Area | 0 | - | 4.99 | 305,650 |
| Jewish Cities Quiz | 0 | - | 4.31 | 55,651 |
| Biggest Cities in Japan | 0 | - | 4.73 | 66,300 |
| Biggest US Cities by Decade | 0 | - | 4.93 | 132,426 |
| Biggest Cities in Russia | 0 | - | 4.48 | 68,536 |
| Fastest Growing U.S. Cities | 0 | - | 4.26 | 58,092 |
| Africa Capitals Quiz | 0 | - | 4.99 | 524,700 |
| Cities with the Biggest Economies | 0 | - | 4.91 | 107,053 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 41,380 |
| Biggest Cities in Poland | 0 | - | 4.73 | 39,918 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.36 | 10,598 |
| Biggest Cities Starting With A | 0 | - | 4.54 | 86,550 |
| Biggest Cities Starting With B | 0 | - | 4.38 | 120,461 |
| Biggest Cities Starting With C | 0 | - | 3.99 | 79,124 |
| Biggest Cities Starting With D | 0 | - | 4.46 | 84,418 |
| Biggest Cities Starting With H | 0 | - | 4.49 | 75,063 |
| Biggest Cities Starting With K | 0 | - | 4.35 | 63,205 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 84,560 |
| Biggest Cities Starting With M | 0 | - | 4.47 | 98,223 |
| Biggest Cities Starting With P | 0 | - | 4.44 | 87,095 |
| Biggest Cities Starting With S | 0 | - | 4.34 | 92,304 |
| Biggest Cities Starting With T | 0 | - | 4.25 | 92,553 |
| Biggest Cities in Mexico | 0 | - | 4.51 | 20,846 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.36 | 74,791 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.31 | 62,192 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 70,005 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 76,082 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.10 | 61,201 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.09 | 57,084 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 17,788 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.81 | 52,618 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,291 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,179 |
| Biggest U.S. Cities A-Z | 0 | - | 4.53 | 108,727 |
| Biggest World Cities A-Z | 0 | - | 4.38 | 166,373 |
| Biggest Cities in France | 0 | - | 4.50 | 160,672 |
| Biggest Cities in Spain | 0 | - | 4.65 | 132,210 |
| Biggest Cities in Italy | 0 | - | 4.57 | 188,236 |
| Biggest Cities in California | 0 | - | 4.32 | 119,556 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,220 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 568,597 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,766 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 83,811 |
| Biggest Cities in Ohio | 0 | - | 4.33 | 41,170 |
| Biggest Cities in The Netherlands | 0 | - | 4.42 | 33,518 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 29,803 |
| Biggest Cities in New York State | 0 | - | 4.23 | 51,086 |
| Biggest Cities in Europe | 0 | - | 4.57 | 402,151 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,424 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,182 |
| Biggest Cities in Canada | 0 | - | 4.56 | 108,165 |
| Biggest Cities in Sweden | 0 | - | 4.67 | 24,420 |
| North America Capitals Quiz | 0 | - | 4.99 | 153,875 |
| Capitals of Oceania Quiz | 0 | - | 4.98 | 183,901 |
| Asia Capitals Quiz | 0 | - | 4.97 | 498,937 |
| Biggest Cities in China | 0 | - | 4.41 | 117,440 |
| Summer Olympics Host Cities | 0 | - | 4.97 | 160,460 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 38,954 |
| Biggest Cities in Germany | 0 | - | 4.94 | 225,313 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,284 |
| Capitals in their Native Languages | 0 | - | 4.93 | 106,165 |
| Second Biggest Cities Quiz | 0 | - | 4.19 | 36,520 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 134,043 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,549 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 16,289 |
| Biggest Cities in Colorado | 0 | - | 3.97 | 27,003 |
| Biggest Cities in Arizona | 0 | - | 4.24 | 24,652 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,249 |
| Biggest Cities in Illinois | 0 | - | 4.29 | 21,368 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,653 |
| Biggest Cities in Wisconsin | 0 | - | 4.41 | 20,488 |
| Biggest Cities in Georgia | 0 | - | 3.72 | 19,321 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,086 |
| Biggest Cities in Missouri | 0 | - | 4.18 | 14,142 |
| Biggest Cities in Oregon | 0 | - | 4.02 | 16,599 |
| Biggest Cities in Alaska | 0 | - | 4.38 | 16,709 |
| Biggest City by Time Zone | 0 | - | 4.74 | 49,647 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.42 | 78,030 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,205 |
| Biggest Cities in Switzerland | 0 | - | 4.55 | 38,062 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 109,477 |
| Most Populous Countries in 2050 | 0 | - | 4.91 | 172,531 |
| Biggest Cities in India | 0 | - | 4.52 | 54,626 |
| Biggest Cities in Asia | 0 | - | 4.87 | 85,522 |
| Biggest City by Island | 0 | - | 4.49 | 42,064 |
| Official Cities in the UK | 0 | - | 4.89 | 196,382 |
| Biggest Cities in History | 0 | - | 4.49 | 70,071 |
| Biggest Cities by Trait #1 | 0 | - | 4.43 | 39,703 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.29 | 37,808 |
| Random Capital to Country | 0 | - | 4.99 | 2,064,850 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,090 |
| Random Country to Capital | 0 | - | 4.98 | 691,225 |
| Five Biggest Cities by Country | 0 | - | 4.76 | 121,929 |
| Coldest World Capitals | 0 | - | 4.97 | 105,027 |
| Europe Capital to Country | 0 | - | 4.99 | 198,364 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,055 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,029 |
| Biggest Coastal City by Country | 0 | - | 4.56 | 23,910 |
| Same Letter Country and Capital | 0 | - | 4.98 | 103,135 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.49 | 51,734 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 15,841 |
| Most Populous World Capitals | 0 | - | 4.89 | 127,569 |
| Biggest City by Region | 0 | - | 4.50 | 28,939 |
| Most Populous 2nd Cities | 0 | - | 4.53 | 38,994 |
| Biggest City by Region #2 | 0 | - | 4.46 | 19,687 |
| Solve the Secret Capital City | 0 | - | 4.81 | 125,468 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,342 |
| Biggest European Cities by Century | 0 | - | 4.97 | 104,702 |
| Capitals of Most Populated Countries | 0 | - | 4.97 | 107,309 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,818 |
| Biggest Cities by Latitude | 0 | - | 4.73 | 24,004 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.91 | 58,911 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 39,099 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,437 |
| Biggest Axis-Controlled Cities | 0 | - | 4.24 | 31,439 |
| Biggest Two-Word Cities | 0 | - | 4.71 | 33,701 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 57,889 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.73 | 55,185 |
| World Capitals by Map | 0 | - | 5.00 | 188,845 |
| Cities of Ireland | 0 | - | 4.39 | 35,561 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,729 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 145,387 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 72,758 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,218 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.92 | 117,684 |
| Cities of China (With Some Help) | 0 | - | 4.77 | 23,337 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 33,669 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 42,521 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.88 | 32,274 |
| Biggest Cities in the UK | 0 | - | 4.42 | 79,051 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.93 | 81,367 |
| World Capitals by Proximity | 0 | - | 4.91 | 262,716 |
| Biggest World Cities in 1850 | 0 | - | 4.52 | 47,386 |
| Megacities on a World Map | 0 | - | 4.97 | 198,371 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 153,210 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.78 | 48,666 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 94,024 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 72,755 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.84 | 38,479 |
| Ten Northernmost Megacities | 0 | - | 4.41 | 43,961 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.93 | 73,459 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 300,243 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 100,538 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,155 |
| U.S. State Capitals Map Quiz | 0 | - | 4.90 | 108,299 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.91 | 153,704 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 49,821 |
| Countries by Capitals and Borders in 90 Seconds | 0 | - | 4.88 | 175,244 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.54 | 34,550 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.44 | 35,749 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 431,794 |
| Megacities on an Empty Map | 0 | - | 4.96 | 76,760 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 51,675 |
| All 3M Cities on the World Map | 0 | - | 4.93 | 53,401 |
| All Cities in China with Population of 1 Million | 0 | - | 4.65 | 27,049 |
| Northernmost Major City by Country | 0 | - | 4.50 | 28,022 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 20,365 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 28,886 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 54,888 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 42,095 |
| Two Largest Cities by First Two Letters | 0 | - | 4.65 | 55,938 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,408 |
| Largest World Capitals with Exceptions | 0 | - | 4.65 | 36,998 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.71 | 61,830 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,099 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.52 | 43,165 |
| Biggest Cities Near a Border | 0 | - | 4.12 | 14,490 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,292 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 259,814 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.93 | 78,971 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,567 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,457 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.33 | 22,079 |
| Ten Southernmost Megacities | 0 | - | 4.67 | 32,236 |
| Biggest Cities by Trait #2 | 0 | - | 4.30 | 12,191 |
| Flags to Largest Cities | 0 | - | 4.55 | 22,660 |
| 500 Biggest US Cities | 0 | - | 4.90 | 75,110 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,334 |
| Saint Lucia Country Quiz | 0 | - | 4.64 | 13,780 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 53,930 |
| Random European Capital to Country | 0 | - | 4.97 | 127,743 |
| Random European Country to Capital | 0 | - | 4.90 | 103,445 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 31,503 |
