| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.91 | 795,578 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,497,267 |
| Biggest Cities in Texas | 0 | - | 4.24 | 110,070 |
| Biggest Cities in Washington State | 0 | - | 4.38 | 27,562 |
| Biggest Urban Areas in the UK | 0 | - | 4.36 | 165,964 |
| Biggest Cities in New Jersey | 0 | - | 4.05 | 24,551 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 317,463 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.68 | 97,360 |
| Biggest English-Speaking Cities | 0 | - | 4.38 | 134,801 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.85 | 106,991 |
| Biggest Cities by Language | 0 | - | 4.95 | 210,465 |
| Biggest Nordic Cities | 0 | - | 4.35 | 59,296 |
| Biggest Mediterranean Cities | 0 | - | 4.60 | 73,976 |
| Biggest Cities in Japan | 0 | - | 4.70 | 74,011 |
| Biggest US Cities by Decade | 0 | - | 4.96 | 152,332 |
| Biggest Cities in Russia | 0 | - | 4.46 | 75,199 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 47,468 |
| Biggest Cities in Poland | 0 | - | 4.56 | 46,911 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.41 | 12,736 |
| Biggest Cities Starting With A | 0 | - | 4.47 | 109,863 |
| Biggest Cities Starting With B | 0 | - | 4.29 | 144,920 |
| Biggest Cities Starting With D | 0 | - | 4.47 | 105,213 |
| Biggest Cities Starting With H | 0 | - | 4.53 | 95,461 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 107,999 |
| Biggest Cities Starting With M | 0 | - | 4.50 | 125,792 |
| Biggest Cities Starting With P | 0 | - | 4.46 | 112,182 |
| Biggest Cities Starting With S | 0 | - | 4.35 | 112,329 |
| Biggest Cities Starting With T | 0 | - | 4.28 | 113,879 |
| Biggest Cities in Mexico | 0 | - | 4.54 | 28,029 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.31 | 81,946 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.30 | 68,581 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.22 | 76,653 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.09 | 82,359 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.12 | 65,284 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.15 | 61,033 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.15 | 20,866 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.86 | 55,448 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.19 | 59,289 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.27 | 66,682 |
| Biggest U.S. Cities A-Z | 0 | - | 4.51 | 120,856 |
| Biggest World Cities A-Z | 0 | - | 4.42 | 187,610 |
| Biggest Cities in France | 0 | - | 4.62 | 194,385 |
| Biggest Cities in Spain | 0 | - | 4.48 | 150,286 |
| Biggest Cities in Italy | 0 | - | 4.62 | 212,610 |
| Biggest Cities in California | 0 | - | 4.34 | 128,784 |
| Biggest Cities in Florida | 0 | - | 4.19 | 66,519 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 650,434 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 22,489 |
| Biggest Cities in Ohio | 0 | - | 4.36 | 45,178 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 48,913 |
| Biggest Cities in Michigan | 0 | - | 3.97 | 31,983 |
| Biggest Cities in New York State | 0 | - | 4.23 | 55,178 |
| Biggest Cities in Europe | 0 | - | 4.50 | 443,962 |
| Biggest Cities in Indiana | 0 | - | 4.28 | 19,478 |
| Biggest Cities in Tennessee | 0 | - | 4.24 | 18,880 |
| Biggest Cities in Canada | 0 | - | 4.68 | 118,324 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 36,504 |
| Vietnam War Countries | 0 | - | 4.76 | 84,934 |
| Asia Capitals Quiz | 0 | - | 4.98 | 576,417 |
| Biggest Cities in China | 0 | - | 4.44 | 134,207 |
| Asian Cities by Clue | 0 | - | 4.68 | 24,648 |
| Biggest Cities in Pennsylvania | 0 | - | 4.14 | 42,217 |
| Biggest Cities in Germany | 0 | - | 4.94 | 257,156 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 59,431 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 147,945 |
| Biggest City in Every Country | 0 | - | 4.98 | 75,141 |
| Biggest Cities in Louisiana | 0 | - | 4.06 | 17,944 |
| Biggest Cities in Colorado | 0 | - | 4.03 | 29,543 |
| Biggest Cities in Arizona | 0 | - | 4.22 | 27,952 |
| Biggest Cities in Virginia | 0 | - | 4.23 | 22,548 |
| Biggest Cities in Illinois | 0 | - | 4.33 | 24,044 |
| Biggest Cities in North Carolina | 0 | - | 4.53 | 31,446 |
| Biggest Cities in Wisconsin | 0 | - | 4.45 | 23,051 |
| Biggest Cities in Georgia | 0 | - | 3.86 | 21,282 |
| Biggest Cities in Massachusetts | 0 | - | 4.35 | 27,045 |
| Biggest Cities in Missouri | 0 | - | 4.20 | 15,615 |
| Biggest Cities in Oregon | 0 | - | 4.10 | 18,437 |
| Biggest Cities in Alaska | 0 | - | 4.23 | 23,194 |
| Biggest City by Time Zone | 0 | - | 4.79 | 52,734 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.45 | 96,656 |
| Biggest English Cities by Century | 0 | - | 4.93 | 97,597 |
| Biggest Cities in Switzerland | 0 | - | 4.52 | 42,825 |
| Biggest European Cities by Letter | 0 | - | 4.52 | 117,170 |
| Biggest Cities in India | 0 | - | 4.61 | 61,245 |
| Biggest Cities in Asia | 0 | - | 4.93 | 93,636 |
| Asia Capital to Country | 0 | - | 4.95 | 103,484 |
| Biggest Cities in History | 0 | - | 4.47 | 78,304 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 64,018 |
| Singapore Country Quiz | 0 | - | 4.78 | 39,278 |
| Five Biggest Cities by Country | 0 | - | 4.50 | 149,374 |
| Philippines Country Quiz | 0 | - | 4.53 | 61,865 |
| Vietnam Country Quiz | 0 | - | 4.69 | 55,933 |
| Thailand Country Quiz | 0 | - | 4.50 | 44,867 |
| Indonesia Country Quiz | 0 | - | 4.82 | 63,609 |
| Hong Kong Facts | 0 | - | 4.43 | 27,533 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.45 | 60,740 |
| Top 10 World Cities Through History | 0 | - | 4.44 | 67,124 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.51 | 62,403 |
| Biggest Cities in Portugal | 0 | - | 4.36 | 18,466 |
| Most Populous World Capitals | 0 | - | 4.92 | 142,647 |
| Most Populous 2nd Cities | 0 | - | 4.52 | 52,397 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.42 | 28,083 |
| Biggest European Cities by Century | 0 | - | 4.96 | 116,612 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 78,987 |
| U.S. Cities by Hispanic Population | 0 | - | 4.24 | 24,276 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.94 | 69,476 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.63 | 64,082 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.93 | 66,322 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.80 | 62,346 |
| Cities of Ireland | 0 | - | 4.42 | 38,974 |
| Largest Indonesian Islands | 0 | - | 4.54 | 43,008 |
| Largest Philippines Islands | 0 | - | 4.60 | 19,364 |
| Largest Cities in Alexander's Empire | 0 | - | 4.48 | 38,322 |
| Five Most Populated Cities by Continent | 0 | - | 4.94 | 163,220 |
| Myanmar Country Quiz | 0 | - | 4.48 | 26,539 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 89,097 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 50,092 |
| Countries Closest to Indonesia | 0 | - | 4.98 | 83,349 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 128,876 |
| Cities of China (With Some Help) | 0 | - | 4.88 | 27,640 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 42,124 |
| Biggest Cities with Exceptions | 0 | - | 4.84 | 50,506 |
| Brunei Country Quiz | 0 | - | 4.90 | 18,942 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 157,448 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.85 | 43,308 |
| Asian Capitals - Map Quiz | 0 | - | 4.96 | 49,247 |
| Biggest Cities in the UK | 0 | - | 4.41 | 91,120 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 91,638 |
| Asian Cities by Map #1 | 0 | - | 4.49 | 38,623 |
| Biggest World Cities in 1850 | 0 | - | 4.63 | 63,838 |
| Megacities on a World Map | 0 | - | 4.98 | 216,431 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 194,804 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.83 | 56,059 |
| Asian Capitals by Map | 0 | - | 4.98 | 44,342 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 106,538 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.87 | 81,838 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.70 | 42,184 |
| Ten Northernmost Megacities | 0 | - | 4.42 | 46,506 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.95 | 89,187 |
| Provinces of the Philippines | 0 | - | 4.50 | 33,594 |
| Countries Closest to Vietnam | 0 | - | 4.97 | 85,364 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 361,885 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.29 | 36,198 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 54,787 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.46 | 37,418 |
| World Capitals Closest to Bangkok | 0 | - | 4.93 | 37,653 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 501,827 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.21 | 86,139 |
| Megacities on an Empty Map | 0 | - | 4.96 | 85,632 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.88 | 45,723 |
| 10 Westernmost Capital Cities in Asia | 0 | - | 4.62 | 13,324 |
| Middle East Capital Cities Quiz | 0 | - | 4.95 | 76,317 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 58,728 |
| Southeast Asian Cities by Map | 0 | - | 4.68 | 24,591 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 61,612 |
| All Cities in China with Population of 1 Million | 0 | - | 4.61 | 36,934 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 27,574 |
| All Cities in India with Population of 1 Million | 0 | - | 4.82 | 39,559 |
| Asian Coastal Capitals | 0 | - | 4.52 | 19,900 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.94 | 62,354 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.44 | 51,810 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.92 | 82,880 |
| Two Largest Cities by First Two Letters | 0 | - | 4.62 | 64,411 |
| U.S. States by Second Most Populous City | 0 | - | 4.42 | 39,588 |
| Countries Bordering Myanmar | 0 | - | 4.85 | 69,589 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.97 | 90,264 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.87 | 47,664 |
| Most Guessed Asian Capitals | 0 | - | 4.50 | 62,582 |
| Largest World Capitals with Exceptions | 0 | - | 4.69 | 49,997 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.70 | 67,633 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.51 | 73,532 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.60 | 55,542 |
| Biggest Cities in Deserts | 0 | - | 4.93 | 41,177 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 297,112 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.91 | 94,220 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 67,955 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 33,453 |
| Which City in the Middle East? | 0 | - | 4.48 | 50,193 |
| 500 Biggest US Cities | 0 | - | 4.84 | 93,741 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 28,384 |
| Saint Lucia Country Quiz | 0 | - | 4.60 | 15,908 |
| Every 1,000,000+ City on a Map | 0 | - | 4.98 | 79,348 |
| Random Asian Capital to Country | 0 | - | 4.95 | 86,867 |
| Random Asian Country to Capital | 0 | - | 4.91 | 84,050 |
| Biggest Cities in France - Extreme | 0 | - | 4.90 | 41,771 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.76 | 61,705 |
| Random Asian City to Country | 0 | - | 4.42 | 33,245 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.88 | 72,522 |
| Asian Cities by Wikipedia Descriptions | 0 | - | 4.56 | 23,865 |
| East Timor Country Quiz | 0 | - | 4.45 | 19,945 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.60 | 24,159 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.56 | 34,740 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.89 | 57,863 |
| Random Asian Capitals on a Map | 0 | - | 4.80 | 44,060 |
| Biggest Cities in Australia on a Map | 0 | - | 4.61 | 31,982 |
| Largest Nordic Cities on a Map | 0 | - | 4.60 | 21,332 |
| Cambodia Country Quiz | 0 | - | 4.55 | 25,591 |
| Laos Country Quiz | 0 | - | 4.50 | 23,017 |
| Malaysia Country Quiz | 0 | - | 4.70 | 34,234 |
| Turkmenistan Country Quiz | 0 | - | 4.79 | 22,446 |
