| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.93 | 706,170 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,334,593 |
| South America Capitals Quiz | 0 | - | 4.99 | 359,606 |
| Biggest Cities in Texas | 0 | - | 4.20 | 94,853 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,864 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,594 |
| Biggest Cities in New Jersey | 0 | - | 3.97 | 22,074 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 287,302 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.54 | 89,679 |
| Biggest English-Speaking Cities | 0 | - | 4.39 | 127,650 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.83 | 98,962 |
| Biggest Cities by Language | 0 | - | 4.95 | 193,543 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,445 |
| Biggest Mediterranean Cities | 0 | - | 4.73 | 69,201 |
| Jewish Cities Quiz | 0 | - | 4.31 | 55,706 |
| Biggest Cities in Japan | 0 | - | 4.73 | 66,432 |
| Biggest US Cities by Decade | 0 | - | 4.93 | 132,628 |
| Biggest Cities in Russia | 0 | - | 4.48 | 68,656 |
| Fastest Growing U.S. Cities | 0 | - | 4.26 | 58,117 |
| Africa Capitals Quiz | 0 | - | 4.99 | 526,324 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 41,515 |
| Biggest Cities in Poland | 0 | - | 4.73 | 40,038 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.36 | 10,626 |
| Biggest Cities Starting With A | 0 | - | 4.54 | 86,791 |
| Biggest Cities Starting With B | 0 | - | 4.38 | 120,734 |
| Biggest Cities Starting With C | 0 | - | 3.99 | 79,235 |
| Biggest Cities Starting With D | 0 | - | 4.46 | 84,580 |
| Biggest Cities Starting With H | 0 | - | 4.48 | 75,280 |
| Biggest Cities Starting With K | 0 | - | 4.35 | 63,306 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 84,791 |
| Biggest Cities Starting With M | 0 | - | 4.47 | 98,482 |
| Biggest Cities Starting With P | 0 | - | 4.44 | 87,351 |
| Biggest Cities Starting With S | 0 | - | 4.34 | 92,544 |
| Biggest Cities Starting With T | 0 | - | 4.25 | 93,076 |
| Biggest Cities in Mexico | 0 | - | 4.51 | 20,941 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.34 | 74,962 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.31 | 62,345 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 70,147 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 76,405 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.10 | 61,282 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.09 | 57,155 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 17,853 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.81 | 52,684 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,381 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,263 |
| Biggest U.S. Cities A-Z | 0 | - | 4.53 | 108,925 |
| Biggest World Cities A-Z | 0 | - | 4.38 | 166,629 |
| Australian States and Territories Quiz | 0 | - | 4.96 | 102,646 |
| Biggest Cities in France | 0 | - | 4.52 | 161,101 |
| Biggest Cities in Spain | 0 | - | 4.64 | 132,518 |
| Biggest Cities in Italy | 0 | - | 4.57 | 188,583 |
| Biggest Cities in California | 0 | - | 4.30 | 119,707 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,302 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 569,930 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,817 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 83,950 |
| Biggest Cities in Ohio | 0 | - | 4.33 | 41,230 |
| Biggest Cities in The Netherlands | 0 | - | 4.42 | 33,620 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 29,837 |
| Biggest Cities in New York State | 0 | - | 4.23 | 51,153 |
| Biggest Cities in Europe | 0 | - | 4.56 | 402,888 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,474 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,225 |
| Biggest Cities in Canada | 0 | - | 4.56 | 108,587 |
| Biggest Cities in Sweden | 0 | - | 4.71 | 24,499 |
| North America Capitals Quiz | 0 | - | 4.99 | 154,297 |
| Capitals of Oceania Quiz | 0 | - | 4.98 | 184,608 |
| Asia Capitals Quiz | 0 | - | 4.97 | 500,307 |
| Biggest Cities in China | 0 | - | 4.41 | 117,872 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 39,000 |
| Biggest Cities in Germany | 0 | - | 4.94 | 225,830 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,361 |
| Second Biggest Cities Quiz | 0 | - | 4.19 | 36,559 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 134,298 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,679 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 16,319 |
| Biggest Cities in Colorado | 0 | - | 3.97 | 27,043 |
| Biggest Cities in Arizona | 0 | - | 4.24 | 24,715 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,281 |
| Biggest Cities in Illinois | 0 | - | 4.30 | 21,418 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,720 |
| Biggest Cities in Wisconsin | 0 | - | 4.41 | 20,548 |
| Biggest Cities in Georgia | 0 | - | 3.72 | 19,350 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,133 |
| Biggest Cities in Missouri | 0 | - | 4.18 | 14,170 |
| Biggest Cities in Oregon | 0 | - | 4.02 | 16,657 |
| Biggest Cities in Alaska | 0 | - | 4.39 | 16,776 |
| Biggest City by Time Zone | 0 | - | 4.74 | 49,713 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.42 | 78,104 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,424 |
| Biggest Cities in Switzerland | 0 | - | 4.55 | 38,147 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 109,584 |
| Biggest Cities in India | 0 | - | 4.51 | 54,742 |
| Biggest Cities in Asia | 0 | - | 4.87 | 85,784 |
| Biggest City by Island | 0 | - | 4.49 | 42,143 |
| Official Cities in the UK | 0 | - | 4.89 | 196,857 |
| Asia Capital to Country | 0 | - | 4.96 | 95,514 |
| Biggest Cities in History | 0 | - | 4.49 | 70,336 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 39,769 |
| Most Populous Second Cities in the U.S. | 0 | - | 4.29 | 37,828 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,212 |
| Five Biggest Cities by Country | 0 | - | 4.76 | 122,176 |
| Europe Capital to Country | 0 | - | 4.99 | 198,680 |
| Australia Cities Map Quiz | 0 | - | 4.84 | 109,225 |
| Australia Map Quiz | 0 | - | 4.94 | 281,891 |
| Flags of Oceania | 0 | - | 5.00 | 177,751 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,145 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,116 |
| Biggest Coastal City by Country | 0 | - | 4.56 | 23,987 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.49 | 51,796 |
| Countries Closest to Australia | 0 | - | 4.99 | 132,255 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 15,891 |
| Most Populous World Capitals | 0 | - | 4.89 | 127,719 |
| Biggest City by Region | 0 | - | 4.50 | 29,020 |
| Most Populous 2nd Cities | 0 | - | 4.52 | 39,102 |
| Biggest City by Region #2 | 0 | - | 4.46 | 19,736 |
| Oceania Map Quiz | 0 | - | 4.97 | 501,476 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,404 |
| Biggest European Cities by Century | 0 | - | 4.96 | 104,893 |
| Capitals of Most Populated Countries | 0 | - | 4.97 | 107,467 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,850 |
| Biggest Cities by Latitude | 0 | - | 4.73 | 24,038 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,051 |
| Melbourne Suburbs | 0 | - | 4.64 | 27,749 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 39,303 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,533 |
| Biggest Axis-Controlled Cities | 0 | - | 4.24 | 31,472 |
| Biggest Two-Word Cities | 0 | - | 4.71 | 33,811 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 58,081 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.73 | 55,345 |
| Cities of Ireland | 0 | - | 4.39 | 35,610 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,781 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 145,727 |
| EU Capitals with No Hints | 0 | - | 4.93 | 98,289 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 72,939 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,280 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.92 | 117,916 |
| Top 10 Most Populous U.S. States | 0 | - | 4.97 | 123,075 |
| Top 10 Least Populous U.S. States | 0 | - | 4.95 | 146,499 |
| Cities of China (With Some Help) | 0 | - | 4.77 | 23,440 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 33,770 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 42,624 |
| Countries of Europe by Population | 0 | - | 4.98 | 108,133 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 167,817 |
| Top 10 Most Populous Asian Countries | 0 | - | 4.96 | 126,777 |
| Top 10 Most Populous African Countries | 0 | - | 4.98 | 122,801 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.89 | 32,350 |
| Biggest Cities in the UK | 0 | - | 4.42 | 79,537 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 81,532 |
| Biggest World Cities in 1850 | 0 | - | 4.52 | 47,473 |
| Megacities on a World Map | 0 | - | 4.97 | 198,976 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 156,051 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.78 | 48,745 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 94,349 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 72,973 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,572 |
| Ten Northernmost Megacities | 0 | - | 4.41 | 44,014 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.93 | 73,700 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 301,184 |
| European Capitals - Map Quiz | 0 | - | 4.98 | 91,401 |
| South American Capitals - Map Quiz | 0 | - | 4.98 | 100,774 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,217 |
| U.S. State Capitals Map Quiz | 0 | - | 4.90 | 108,617 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.91 | 154,030 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 49,924 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.54 | 34,611 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.44 | 35,834 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 432,888 |
| Megacities on an Empty Map | 0 | - | 4.96 | 76,943 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 51,842 |
| All 3M Cities on the World Map | 0 | - | 4.93 | 53,619 |
| All Cities in China with Population of 1 Million | 0 | - | 4.65 | 27,339 |
| Northernmost Major City by Country | 0 | - | 4.50 | 28,060 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 20,687 |
| All Cities in India with Population of 1 Million | 0 | - | 4.78 | 31,355 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 55,046 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 42,263 |
| Two Largest Cities by First Two Letters | 0 | - | 4.65 | 56,056 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,461 |
| Largest World Capitals with Exceptions | 0 | - | 4.65 | 37,404 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.71 | 61,939 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,181 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.52 | 43,242 |
| Biggest Cities Near a Border | 0 | - | 4.11 | 14,515 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,363 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 260,471 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.93 | 79,208 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,679 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,505 |
| Biggest Cities with a Tropical Climate | 0 | - | 4.33 | 22,118 |
| Ten Southernmost Megacities | 0 | - | 4.67 | 32,324 |
| Biggest Cities by Trait #2 | 0 | - | 4.31 | 12,242 |
| Which City in Australia? | 0 | - | 4.56 | 19,905 |
| Flags to Largest Cities | 0 | - | 4.55 | 22,831 |
| 500 Biggest US Cities | 0 | - | 4.90 | 75,460 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,388 |
| Saint Lucia Country Quiz | 0 | - | 4.64 | 13,819 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 54,080 |
| Random European Capital to Country | 0 | - | 4.97 | 128,218 |
| Random European Country to Capital | 0 | - | 4.90 | 103,647 |
