| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.93 | 707,699 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,337,755 |
| Biggest Cities in Texas | 0 | - | 4.20 | 94,955 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,910 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,726 |
| Biggest Cities in New Jersey | 0 | - | 3.97 | 22,097 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 287,794 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.55 | 89,847 |
| Biggest English-Speaking Cities | 0 | - | 4.39 | 127,755 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.84 | 99,096 |
| Biggest Cities by Language | 0 | - | 4.95 | 194,038 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,492 |
| Biggest Mediterranean Cities | 0 | - | 4.73 | 69,284 |
| Biggest Cities in Japan | 0 | - | 4.72 | 66,541 |
| Biggest US Cities by Decade | 0 | - | 4.92 | 132,808 |
| Biggest Cities in Russia | 0 | - | 4.49 | 68,766 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 41,650 |
| Biggest Cities in Poland | 0 | - | 4.73 | 40,154 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.38 | 10,660 |
| Biggest Cities Starting With A | 0 | - | 4.55 | 86,971 |
| Biggest Cities Starting With B | 0 | - | 4.38 | 120,889 |
| Biggest Cities Starting With D | 0 | - | 4.46 | 84,711 |
| Biggest Cities Starting With H | 0 | - | 4.48 | 75,460 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 84,950 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 98,689 |
| Biggest Cities Starting With P | 0 | - | 4.44 | 87,514 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 21,012 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.34 | 75,100 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.31 | 62,464 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 70,256 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 76,505 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.10 | 61,371 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.06 | 57,230 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 17,926 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.81 | 52,752 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,459 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,369 |
| Biggest U.S. Cities A-Z | 0 | - | 4.54 | 109,095 |
| Biggest World Cities A-Z | 0 | - | 4.38 | 166,910 |
| Biggest Cities in France | 0 | - | 4.52 | 161,455 |
| Biggest Cities in Spain | 0 | - | 4.64 | 132,809 |
| Biggest Cities in Italy | 0 | - | 4.63 | 188,958 |
| Biggest Cities in California | 0 | - | 4.30 | 119,865 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,435 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 571,117 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,864 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 84,102 |
| Biggest Cities in Ohio | 0 | - | 4.33 | 41,296 |
| Biggest Cities in The Netherlands | 0 | - | 4.42 | 33,697 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 29,866 |
| Biggest Cities in New York State | 0 | - | 4.20 | 51,216 |
| Biggest Cities in Europe | 0 | - | 4.63 | 403,548 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,507 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,253 |
| Biggest Cities in Canada | 0 | - | 4.57 | 108,755 |
| Biggest Cities in Sweden | 0 | - | 4.71 | 24,577 |
| Vietnam War Countries | 0 | - | 4.78 | 76,663 |
| Asia Capitals Quiz | 0 | - | 4.97 | 501,601 |
| Biggest Cities in China | 0 | - | 4.43 | 118,200 |
| Asian Cities by Clue | 0 | - | 4.66 | 22,427 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 39,056 |
| Biggest Cities in Germany | 0 | - | 4.94 | 226,414 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,425 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 134,667 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,799 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 16,338 |
| Biggest Cities in Colorado | 0 | - | 3.97 | 27,086 |
| Biggest Cities in Arizona | 0 | - | 4.24 | 24,767 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,311 |
| Biggest Cities in Illinois | 0 | - | 4.30 | 21,471 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,778 |
| Biggest Cities in Wisconsin | 0 | - | 4.35 | 20,580 |
| Biggest Cities in Georgia | 0 | - | 3.72 | 19,379 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,166 |
| Biggest Cities in Missouri | 0 | - | 4.18 | 14,200 |
| Biggest Cities in Oregon | 0 | - | 4.02 | 16,690 |
| Biggest Cities in Alaska | 0 | - | 4.39 | 16,812 |
| Biggest City by Time Zone | 0 | - | 4.74 | 49,775 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.42 | 78,175 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,662 |
| Biggest Cities in Switzerland | 0 | - | 4.55 | 38,250 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 109,684 |
| Biggest Cities in India | 0 | - | 4.52 | 54,842 |
| Biggest Cities in Asia | 0 | - | 4.87 | 85,922 |
| Biggest City by Island | 0 | - | 4.49 | 42,210 |
| Asia Capital to Country | 0 | - | 4.96 | 95,671 |
| Biggest Cities in History | 0 | - | 4.49 | 70,553 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 39,836 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,328 |
| Singapore Country Quiz | 0 | - | 4.65 | 33,773 |
| Five Biggest Cities by Country | 0 | - | 4.76 | 122,374 |
| Philippines Country Quiz | 0 | - | 4.48 | 53,561 |
| Vietnam Country Quiz | 0 | - | 4.65 | 49,821 |
| Thailand Country Quiz | 0 | - | 4.47 | 39,701 |
| Indonesia Country Quiz | 0 | - | 4.82 | 55,494 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,209 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,175 |
| Biggest Coastal City by Country | 0 | - | 4.56 | 24,070 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.52 | 56,613 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 15,936 |
| Most Populous World Capitals | 0 | - | 4.89 | 128,111 |
| Biggest City by Region | 0 | - | 4.50 | 29,136 |
| Most Populous 2nd Cities | 0 | - | 4.53 | 39,224 |
| Biggest City by Region #2 | 0 | - | 4.44 | 19,829 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,448 |
| Biggest European Cities by Century | 0 | - | 4.96 | 105,080 |
| Top 10 Most Densely-Populated Countries in Asia | 0 | - | 4.93 | 71,934 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,870 |
| Biggest Cities by Latitude | 0 | - | 4.73 | 24,087 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,181 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 39,366 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,626 |
| Biggest Two-Word Cities | 0 | - | 4.71 | 33,914 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 58,215 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.73 | 55,475 |
| Cities of Ireland | 0 | - | 4.40 | 35,653 |
| Largest Indonesian Islands | 0 | - | 4.53 | 38,008 |
| Largest Philippines Islands | 0 | - | 4.59 | 16,658 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,832 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 146,054 |
| Myanmar Country Quiz | 0 | - | 4.49 | 22,960 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 73,086 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,337 |
| Countries Closest to Indonesia | 0 | - | 4.98 | 75,081 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 118,185 |
| Cities of China (With Some Help) | 0 | - | 4.77 | 23,534 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.90 | 33,915 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 42,728 |
| Brunei Country Quiz | 0 | - | 4.84 | 16,252 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 127,012 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.89 | 32,425 |
| Asian Capitals - Map Quiz | 0 | - | 4.95 | 40,153 |
| Biggest Cities in the UK | 0 | - | 4.42 | 79,719 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 81,710 |
| Asian Cities by Map #1 | 0 | - | 4.49 | 29,849 |
| Biggest World Cities in 1850 | 0 | - | 4.52 | 47,541 |
| Megacities on a World Map | 0 | - | 4.97 | 199,529 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 173,674 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.78 | 48,818 |
| Asian Capitals by Map | 0 | - | 4.98 | 29,633 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 95,355 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 73,581 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,656 |
| Ten Northernmost Megacities | 0 | - | 4.41 | 44,063 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.93 | 74,525 |
| Provinces of the Philippines | 0 | - | 4.54 | 24,720 |
| Countries Closest to Vietnam | 0 | - | 4.97 | 70,168 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 311,384 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,258 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 50,003 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.57 | 34,678 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.44 | 35,911 |
| World Capitals Closest to Bangkok | 0 | - | 4.94 | 34,319 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 433,990 |
| Megacities on an Empty Map | 0 | - | 4.96 | 77,106 |
| 10 Easternmost Capital Cities in Asia | 0 | - | 4.86 | 41,242 |
| Middle East Capital Cities Quiz | 0 | - | 4.95 | 62,866 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 51,967 |
| Southeast Asian Cities by Map | 0 | - | 4.55 | 17,603 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 53,837 |
| All Cities in China with Population of 1 Million | 0 | - | 4.66 | 27,545 |
| Northernmost Major City by Country | 0 | - | 4.50 | 28,107 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.93 | 20,920 |
| All Cities in India with Population of 1 Million | 0 | - | 4.80 | 32,681 |
| Asian Coastal Capitals | 0 | - | 4.55 | 17,681 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 55,204 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.46 | 42,396 |
| Top 10 Asian Countries by Population Increase | 0 | - | 4.91 | 75,958 |
| Two Largest Cities by First Two Letters | 0 | - | 4.65 | 56,171 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,521 |
| Countries Bordering Myanmar | 0 | - | 4.84 | 62,871 |
| Countries in Southeast Asia With an Empty Map | 0 | - | 4.98 | 81,028 |
| Mekong River Countries Empty Map Quiz | 0 | - | 4.86 | 41,904 |
| Most Guessed Asian Capitals | 0 | - | 4.43 | 40,838 |
| Largest World Capitals with Exceptions | 0 | - | 4.66 | 37,669 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.71 | 62,026 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,252 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.53 | 43,334 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,466 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 261,354 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.93 | 79,541 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,807 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,559 |
| Ten Southernmost Megacities | 0 | - | 4.68 | 32,386 |
| Which City in the Middle East? | 0 | - | 4.46 | 46,005 |
| Flags to Largest Cities | 0 | - | 4.55 | 22,989 |
| 500 Biggest US Cities | 0 | - | 4.88 | 75,796 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,438 |
| Saint Lucia Country Quiz | 0 | - | 4.65 | 13,856 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 54,257 |
| Random Asian Capital to Country | 0 | - | 4.97 | 63,048 |
| Random Asian Country to Capital | 0 | - | 4.92 | 64,502 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 31,853 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.82 | 45,167 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.89 | 50,965 |
| Asian Cities by Wikipedia Descriptions | 0 | - | 4.48 | 21,855 |
| East Timor Country Quiz | 0 | - | 4.46 | 17,475 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.58 | 21,670 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.58 | 27,435 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.82 | 41,940 |
