| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.93 | 714,873 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,352,853 |
| Biggest Cities in Texas | 0 | - | 4.22 | 97,970 |
| Biggest Cities in Washington State | 0 | - | 4.34 | 25,112 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 157,322 |
| Countries That Border Russia | 0 | - | 4.98 | 371,561 |
| Biggest Cities in New Jersey | 0 | - | 3.99 | 22,289 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 290,281 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.57 | 90,603 |
| Biggest English-Speaking Cities | 0 | - | 4.38 | 128,257 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.84 | 99,832 |
| Biggest Cities by Language | 0 | - | 4.95 | 195,389 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,746 |
| Biggest Mediterranean Cities | 0 | - | 4.64 | 69,740 |
| Biggest Cities in Japan | 0 | - | 4.68 | 67,101 |
| Biggest US Cities by Decade | 0 | - | 4.93 | 133,897 |
| Biggest Cities in Russia | 0 | - | 4.49 | 69,280 |
| Biggest Cities in Brazil | 0 | - | 4.55 | 42,167 |
| Biggest Cities in Poland | 0 | - | 4.73 | 40,676 |
| Countries that Border Poland | 0 | - | 4.98 | 130,957 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.38 | 10,832 |
| Biggest Cities Starting With A | 0 | - | 4.54 | 87,670 |
| Biggest Cities Starting With B | 0 | - | 4.38 | 121,651 |
| Biggest Cities Starting With D | 0 | - | 4.47 | 85,275 |
| Biggest Cities Starting With H | 0 | - | 4.48 | 76,290 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 85,606 |
| Biggest Cities Starting With M | 0 | - | 4.48 | 99,514 |
| Biggest Cities Starting With P | 0 | - | 4.45 | 88,160 |
| Biggest Cities in Mexico | 0 | - | 4.52 | 21,281 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.34 | 75,606 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.32 | 62,934 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 70,930 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.08 | 76,956 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.12 | 61,674 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.07 | 57,536 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 18,162 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.82 | 52,983 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,789 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,712 |
| Biggest U.S. Cities A-Z | 0 | - | 4.55 | 110,022 |
| Biggest World Cities A-Z | 0 | - | 4.39 | 168,115 |
| Biggest Cities in France | 0 | - | 4.53 | 163,286 |
| Biggest Cities in Spain | 0 | - | 4.65 | 134,282 |
| Biggest Cities in Italy | 0 | - | 4.64 | 190,868 |
| Biggest Cities in California | 0 | - | 4.31 | 120,487 |
| Biggest Cities in Florida | 0 | - | 4.14 | 61,812 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 577,249 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 20,115 |
| Biggest Cities in Africa Quiz | 0 | - | 4.89 | 84,611 |
| Biggest Cities in Ohio | 0 | - | 4.35 | 41,616 |
| Biggest Cities in The Netherlands | 0 | - | 4.42 | 37,383 |
| Biggest Cities in Michigan | 0 | - | 4.00 | 30,043 |
| Biggest Cities in New York State | 0 | - | 4.22 | 51,500 |
| Biggest Cities in Europe | 0 | - | 4.57 | 406,963 |
| Biggest Cities in Indiana | 0 | - | 4.17 | 17,689 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,382 |
| Biggest Cities in Canada | 0 | - | 4.57 | 109,449 |
| Biggest Cities in Sweden | 0 | - | 4.68 | 24,954 |
| Countries of the Soviet Union | 0 | - | 4.99 | 147,736 |
| Biggest Cities in China | 0 | - | 4.46 | 119,489 |
| Biggest Cities in Pennsylvania | 0 | - | 4.11 | 39,245 |
| Biggest Cities in Germany | 0 | - | 4.94 | 228,906 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,714 |
| Biggest City in Each U.S. State | 0 | - | 4.86 | 135,838 |
| Slavic Countries | 0 | - | 4.96 | 80,063 |
| Biggest City in Every Country | 0 | - | 4.97 | 67,380 |
| Biggest Cities in Louisiana | 0 | - | 4.00 | 16,461 |
| Biggest Cities in Colorado | 0 | - | 3.98 | 27,268 |
| Biggest Cities in Arizona | 0 | - | 4.26 | 25,011 |
| Biggest Cities in Virginia | 0 | - | 4.17 | 20,489 |
| Biggest Cities in Illinois | 0 | - | 4.31 | 21,707 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 26,034 |
| Biggest Cities in Wisconsin | 0 | - | 4.38 | 20,757 |
| Biggest Cities in Georgia | 0 | - | 3.74 | 19,527 |
| Biggest Cities in Massachusetts | 0 | - | 4.32 | 21,545 |
| Biggest Cities in Missouri | 0 | - | 4.19 | 14,307 |
| Biggest Cities in Oregon | 0 | - | 4.03 | 16,826 |
| Biggest Cities in Alaska | 0 | - | 4.40 | 17,005 |
| Biggest City by Time Zone | 0 | - | 4.77 | 50,023 |
| Countries Formerly in Yugoslavia | 0 | - | 4.93 | 93,283 |
| Biggest English Cities by Century | 0 | - | 4.92 | 86,619 |
| Biggest Cities in Switzerland | 0 | - | 4.56 | 38,677 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 110,453 |
| Biggest Cities in India | 0 | - | 4.52 | 55,345 |
| Biggest Cities in Asia | 0 | - | 4.89 | 86,584 |
| Biggest City by Island | 0 | - | 4.49 | 42,531 |
| Official Cities in the UK | 0 | - | 4.89 | 199,904 |
| Russia Country Quiz | 0 | - | 4.86 | 91,899 |
| Biggest Cities in History | 0 | - | 4.49 | 71,454 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 40,101 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.96 | 58,845 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.81 | 26,061 |
| Countries that Border Hungary | 0 | - | 4.99 | 86,347 |
| Five Biggest Cities by Country | 0 | - | 4.65 | 136,691 |
| Europe Capital to Country | 0 | - | 4.99 | 200,303 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,580 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,557 |
| Biggest Coastal City by Country | 0 | - | 4.56 | 24,407 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.53 | 59,176 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 16,171 |
| Most Populous World Capitals | 0 | - | 4.90 | 128,875 |
| Biggest City by Region | 0 | - | 4.50 | 29,558 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.94 | 69,104 |
| Most Populous 2nd Cities | 0 | - | 4.52 | 48,471 |
| Biggest City by Region #2 | 0 | - | 4.44 | 20,159 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,665 |
| Croatia Country Quiz | 0 | - | 4.51 | 31,341 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 129,780 |
| Biggest European Cities by Century | 0 | - | 4.96 | 106,078 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,977 |
| Biggest Cities by Latitude | 0 | - | 4.73 | 24,263 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.91 | 59,836 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 39,758 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 59,122 |
| Biggest Two-Word Cities | 0 | - | 4.73 | 34,400 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 59,054 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.74 | 56,208 |
| European Capitals by Map | 0 | - | 4.99 | 56,770 |
| Cities of Ireland | 0 | - | 4.40 | 35,918 |
| Largest Cities in Alexander's Empire | 0 | - | 4.42 | 35,958 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 147,489 |
| Moldova Country Quiz | 0 | - | 4.90 | 23,175 |
| EU Capitals with No Hints | 0 | - | 4.93 | 99,588 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 73,782 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.80 | 46,670 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.93 | 119,181 |
| Cities of China (With Some Help) | 0 | - | 4.78 | 23,921 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.91 | 34,429 |
| Biggest Cities with Exceptions | 0 | - | 4.88 | 43,184 |
| Countries of Europe by Population | 0 | - | 4.98 | 109,502 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 170,112 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.90 | 35,124 |
| Biggest Cities in the UK | 0 | - | 4.42 | 80,635 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.95 | 82,793 |
| Biggest World Cities in 1850 | 0 | - | 4.52 | 48,016 |
| Megacities on a World Map | 0 | - | 4.97 | 201,087 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 176,184 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.79 | 49,163 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 96,225 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.84 | 74,288 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.78 | 39,045 |
| Federal Subjects of Russia | 0 | - | 4.96 | 83,665 |
| Ten Northernmost Megacities | 0 | - | 4.42 | 44,333 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.94 | 75,165 |
| Top 10 Most Remote European Capitals | 0 | - | 4.86 | 65,984 |
| 100 Biggest Cities on a World Map | 0 | - | 4.98 | 316,561 |
| European Capitals - Map Quiz | 0 | - | 4.98 | 92,658 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,460 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.92 | 156,066 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.42 | 50,506 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.55 | 35,012 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.45 | 36,226 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 438,997 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.98 | 55,492 |
| Most-Visited Cities in Europe | 0 | - | 4.89 | 46,046 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.90 | 71,545 |
| Megacities on an Empty Map | 0 | - | 4.96 | 77,865 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.98 | 52,659 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 54,739 |
| All Cities in China with Population of 1 Million | 0 | - | 4.67 | 30,753 |
| Northernmost Major City by Country | 0 | - | 4.50 | 28,312 |
| Nordic Countries and Capitals | 0 | - | 4.94 | 62,452 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.93 | 21,768 |
| All Cities in India with Population of 1 Million | 0 | - | 4.79 | 33,388 |
| European Coastal Capitals | 0 | - | 4.94 | 70,046 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 55,935 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.46 | 42,998 |
| Two Largest Cities by First Two Letters | 0 | - | 4.65 | 56,691 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,790 |
| Most Guessed European Capitals | 0 | - | 4.86 | 68,283 |
| Countries with Territory in the Balkans | 0 | - | 4.92 | 66,920 |
| Countries Bordering Serbia | 0 | - | 4.91 | 72,964 |
| Largest World Capitals with Exceptions | 0 | - | 4.67 | 43,869 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.71 | 62,556 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,583 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.53 | 43,657 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,830 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 264,042 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.92 | 80,710 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 62,270 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,809 |
| European Capitals Furthest from the Sea | 0 | - | 4.94 | 54,199 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 102,975 |
| Ten Southernmost Megacities | 0 | - | 4.82 | 42,509 |
| Which City in Europe? | 0 | - | 4.87 | 86,632 |
| Which City In the United Kingdom? | 0 | - | 4.95 | 64,658 |
| European Capital Superlatives - Top 2 | 0 | - | 4.92 | 56,094 |
| European Capitals Ending in N | 0 | - | 4.93 | 67,383 |
| Flags to Largest Cities | 0 | - | 4.54 | 23,562 |
| 500 Biggest US Cities | 0 | - | 4.87 | 77,649 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.43 | 26,604 |
| Saint Lucia Country Quiz | 0 | - | 4.58 | 14,033 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 55,102 |
| Random European City to Country | 0 | - | 4.84 | 82,146 |
| Random European Capital to Country | 0 | - | 4.97 | 129,939 |
| Random European Country to Capital | 0 | - | 4.90 | 104,742 |
| Countries With the Most Russian Speakers | 0 | - | 4.95 | 45,552 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 32,520 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.84 | 46,231 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.90 | 52,449 |
