| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.93 | 703,707 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,329,680 |
| Biggest Cities in Texas | 0 | - | 4.20 | 94,688 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,783 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,383 |
| Biggest Cities in New Jersey | 0 | - | 3.97 | 22,031 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 286,534 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.55 | 89,385 |
| Biggest English-Speaking Cities | 0 | - | 4.39 | 127,477 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.82 | 98,784 |
| Biggest Cities by Language | 0 | - | 4.95 | 193,146 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,360 |
| Biggest Mediterranean Cities | 0 | - | 4.73 | 69,064 |
| Biggest Cities in Japan | 0 | - | 4.73 | 66,230 |
| Biggest US Cities by Decade | 0 | - | 4.93 | 132,349 |
| Biggest Cities in Russia | 0 | - | 4.48 | 68,486 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 41,322 |
| Biggest Cities in Poland | 0 | - | 4.73 | 39,869 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.35 | 10,580 |
| Biggest Cities Starting With A | 0 | - | 4.54 | 86,396 |
| Biggest Cities Starting With B | 0 | - | 4.39 | 120,103 |
| Biggest Cities Starting With D | 0 | - | 4.46 | 84,316 |
| Biggest Cities Starting With H | 0 | - | 4.49 | 74,937 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 84,439 |
| Biggest Cities Starting With M | 0 | - | 4.47 | 98,077 |
| Biggest Cities Starting With P | 0 | - | 4.44 | 86,950 |
| Biggest Cities in Mexico | 0 | - | 4.51 | 20,808 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.36 | 74,403 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.31 | 62,076 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 69,891 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 75,896 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.10 | 61,137 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.09 | 57,016 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 17,729 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.81 | 52,575 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,228 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,117 |
| Biggest U.S. Cities A-Z | 0 | - | 4.53 | 108,632 |
| Biggest World Cities A-Z | 0 | - | 4.38 | 166,253 |
| Biggest Cities in France | 0 | - | 4.50 | 160,486 |
| Biggest Cities in Spain | 0 | - | 4.65 | 132,028 |
| Biggest Cities in Italy | 0 | - | 4.57 | 188,041 |
| Biggest Cities in California | 0 | - | 4.32 | 119,505 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,191 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 568,058 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,750 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 83,756 |
| Biggest Cities in Ohio | 0 | - | 4.33 | 41,155 |
| Biggest Cities in The Netherlands | 0 | - | 4.42 | 33,467 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 29,791 |
| Biggest Cities in New York State | 0 | - | 4.23 | 51,070 |
| Biggest Cities in Europe | 0 | - | 4.57 | 401,795 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,410 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,168 |
| Biggest Cities in Canada | 0 | - | 4.56 | 108,096 |
| Biggest Cities in Sweden | 0 | - | 4.67 | 24,386 |
| Vietnam War Countries | 0 | - | 4.78 | 76,283 |
| Asia Capitals Quiz | 0 | - | 4.97 | 498,153 |
| Biggest Cities in China | 0 | - | 4.41 | 117,303 |
| Asian Cities by Clue | 0 | - | 4.66 | 22,283 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 38,937 |
| Biggest Cities in Germany | 0 | - | 4.94 | 225,046 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,247 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 133,962 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,491 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 16,278 |
| Biggest Cities in Colorado | 0 | - | 3.97 | 26,990 |
| Biggest Cities in Arizona | 0 | - | 4.24 | 24,637 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,241 |
| Biggest Cities in Illinois | 0 | - | 4.29 | 21,355 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,634 |
| Biggest Cities in Wisconsin | 0 | - | 4.41 | 20,466 |
| Biggest Cities in Georgia | 0 | - | 3.72 | 19,316 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,074 |
| Biggest Cities in Missouri | 0 | - | 4.18 | 14,133 |
| Biggest Cities in Oregon | 0 | - | 4.00 | 16,583 |
| Biggest Cities in Alaska | 0 | - | 4.38 | 16,695 |
| Biggest City by Time Zone | 0 | - | 4.74 | 49,614 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.42 | 77,978 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,117 |
| Biggest Cities in Switzerland | 0 | - | 4.55 | 38,016 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 109,424 |
| Biggest Cities in India | 0 | - | 4.52 | 54,569 |
| Biggest Cities in Asia | 0 | - | 4.87 | 85,459 |
| Biggest City by Island | 0 | - | 4.49 | 42,040 |
| Asia Capital to Country | 0 | - | 4.96 | 95,311 |
| Biggest Cities in History | 0 | - | 4.49 | 69,978 |
| Biggest Cities by Trait #1 | 0 | - | 4.43 | 39,678 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,036 |
| Singapore Country Quiz | 0 | - | 4.64 | 33,493 |
| Five Biggest Cities by Country | 0 | - | 4.76 | 121,829 |
| Philippines Country Quiz | 0 | - | 4.48 | 53,208 |
| Vietnam Country Quiz | 0 | - | 4.65 | 49,564 |
| Thailand Country Quiz | 0 | - | 4.47 | 39,457 |
| Indonesia Country Quiz | 0 | - | 4.81 | 55,160 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,022 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,000 |
| Biggest Coastal City by Country | 0 | - | 4.56 | 23,880 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.49 | 51,694 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 15,813 |
| Most Populous World Capitals | 0 | - | 4.89 | 127,503 |
| Biggest City by Region | 0 | - | 4.50 | 28,906 |
| Most Populous 2nd Cities | 0 | - | 4.53 | 38,924 |
| Biggest City by Region #2 | 0 | - | 4.46 | 19,653 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,315 |
| Biggest European Cities by Century | 0 | - | 4.97 | 104,592 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 71,659 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,805 |
| Biggest Cities by Latitude | 0 | - | 4.73 | 23,989 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.91 | 58,846 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 39,072 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.63 | 58,367 |
| Biggest Two-Word Cities | 0 | - | 4.71 | 33,646 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 57,835 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.73 | 55,123 |
| Cities of Ireland | 0 | - | 4.39 | 35,526 |
| Largest Indonesian Islands | 0 | - | 4.52 | 31,605 |
| Largest Philippines Islands | 0 | - | 4.58 | 16,466 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,705 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 145,246 |
| Myanmar Country Quiz | 0 | - | 4.49 | 22,800 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 72,684 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,179 |
| Countries Closest to Indonesia | 0 | - | 4.97 | 74,620 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.92 | 117,596 |
| Cities of China (With Some Help) | 0 | - | 4.74 | 23,269 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 33,622 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 42,475 |
| Brunei Country Quiz | 0 | - | 4.84 | 16,122 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 126,353 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.88 | 32,231 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 39,678 |
| Biggest Cities in the UK | 0 | - | 4.42 | 78,848 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.93 | 80,899 |
| Asian Cities by Map #1 | 0 | - | 4.49 | 29,700 |
| Biggest World Cities in 1850 | 0 | - | 4.52 | 47,354 |
| Megacities on a World Map | 0 | - | 4.97 | 198,150 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 153,077 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.78 | 48,625 |
| Asian Capitals by Map | 0 | - | 4.98 | 28,762 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 93,945 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 72,688 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.84 | 38,435 |
| Ten Northernmost Megacities | 0 | - | 4.41 | 43,932 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.93 | 73,393 |
| Provinces of the Philippines | 0 | - | 4.54 | 24,373 |
| Countries Closest to Vietnam | 0 | - | 4.97 | 69,837 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 299,815 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,131 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 49,786 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.53 | 34,521 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.44 | 35,710 |
| World Capitals Closest to Bangkok | 0 | - | 4.94 | 34,131 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 431,181 |
| Megacities on an Empty Map | 0 | - | 4.96 | 76,676 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.86 | 41,074 |
| Middle East Capital Cities Quiz | 0 | - | 4.95 | 62,509 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 51,607 |
| Southeast Asian Cities by Map | 0 | - | 4.54 | 17,474 |
| All 3M Cities on the World Map | 0 | - | 4.93 | 53,283 |
| All Cities in China with Population of 1 Million | 0 | - | 4.65 | 26,908 |
| Northernmost Major City by Country | 0 | - | 4.50 | 27,998 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 20,050 |
| All Cities in India with Population of 1 Million | 0 | - | 4.84 | 28,818 |
| Asian Coastal Capitals | 0 | - | 4.54 | 17,561 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 54,808 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 42,029 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.91 | 75,633 |
| Two Largest Cities by First Two Letters | 0 | - | 4.65 | 55,884 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,391 |
| Countries Bordering Myanmar | 0 | - | 4.84 | 62,566 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.98 | 80,554 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.86 | 41,640 |
| Most Guessed Asian Capitals | 0 | - | 4.43 | 40,648 |
| Largest World Capitals with Exceptions | 0 | - | 4.65 | 36,546 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.71 | 61,783 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,066 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.52 | 43,126 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,262 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.96 | 259,519 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.93 | 78,869 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,520 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,440 |
| Ten Southernmost Megacities | 0 | - | 4.67 | 32,210 |
| Which City in the Middle East? | 0 | - | 4.46 | 45,816 |
| Flags to Largest Cities | 0 | - | 4.55 | 22,582 |
| 500 Biggest US Cities | 0 | - | 4.90 | 74,978 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,312 |
| Saint Lucia Country Quiz | 0 | - | 4.64 | 13,757 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 53,843 |
| Random Asian Capital to Country | 0 | - | 4.97 | 62,672 |
| Random Asian Country to Capital | 0 | - | 4.92 | 64,156 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 31,427 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.82 | 44,606 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 50,205 |
| Asian Cities by Wikipedia Descriptions | 0 | - | 4.48 | 21,732 |
| East Timor Country Quiz | 0 | - | 4.46 | 17,343 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.63 | 21,551 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.57 | 27,089 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.81 | 41,613 |
