| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.93 | 706,550 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,335,355 |
| Biggest Cities in Texas | 0 | - | 4.20 | 94,870 |
| Biggest Cities in Washington State | 0 | - | 4.33 | 24,873 |
| Biggest Urban Areas in the UK | 0 | - | 4.34 | 156,632 |
| Countries That Border Russia | 0 | - | 4.98 | 367,405 |
| Biggest Cities in New Jersey | 0 | - | 3.97 | 22,081 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 287,435 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.54 | 89,720 |
| Biggest English-Speaking Cities | 0 | - | 4.39 | 127,671 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.84 | 98,996 |
| Biggest Cities by Language | 0 | - | 4.95 | 193,607 |
| Biggest Nordic Cities | 0 | - | 4.35 | 56,458 |
| Biggest Mediterranean Cities | 0 | - | 4.73 | 69,222 |
| Biggest Cities in Japan | 0 | - | 4.73 | 66,468 |
| Biggest US Cities by Decade | 0 | - | 4.92 | 132,679 |
| Biggest Cities in Russia | 0 | - | 4.48 | 68,679 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 41,553 |
| Biggest Cities in Poland | 0 | - | 4.73 | 40,061 |
| Countries that Border Poland | 0 | - | 4.98 | 129,355 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.38 | 10,639 |
| Biggest Cities Starting With A | 0 | - | 4.54 | 86,833 |
| Biggest Cities Starting With B | 0 | - | 4.38 | 120,779 |
| Biggest Cities Starting With D | 0 | - | 4.46 | 84,612 |
| Biggest Cities Starting With H | 0 | - | 4.48 | 75,321 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 84,840 |
| Biggest Cities Starting With M | 0 | - | 4.47 | 98,529 |
| Biggest Cities Starting With P | 0 | - | 4.44 | 87,391 |
| Biggest Cities in Mexico | 0 | - | 4.51 | 20,959 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.34 | 74,997 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.31 | 62,374 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.23 | 70,172 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.10 | 76,425 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.10 | 61,301 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.09 | 57,167 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.10 | 17,862 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.81 | 52,693 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.18 | 55,393 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.21 | 62,280 |
| Biggest U.S. Cities A-Z | 0 | - | 4.52 | 108,979 |
| Biggest World Cities A-Z | 0 | - | 4.38 | 166,701 |
| Biggest Cities in France | 0 | - | 4.52 | 161,203 |
| Biggest Cities in Spain | 0 | - | 4.64 | 132,593 |
| Biggest Cities in Italy | 0 | - | 4.57 | 188,687 |
| Biggest Cities in California | 0 | - | 4.30 | 119,738 |
| Biggest Cities in Florida | 0 | - | 4.13 | 61,330 |
| Biggest Cities in the World Quiz | 0 | - | 4.84 | 570,268 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 19,828 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 83,985 |
| Biggest Cities in Ohio | 0 | - | 4.33 | 41,248 |
| Biggest Cities in The Netherlands | 0 | - | 4.42 | 33,648 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 29,846 |
| Biggest Cities in New York State | 0 | - | 4.20 | 51,162 |
| Biggest Cities in Europe | 0 | - | 4.56 | 403,076 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 17,478 |
| Biggest Cities in Tennessee | 0 | - | 4.20 | 17,231 |
| Biggest Cities in Canada | 0 | - | 4.56 | 108,635 |
| Biggest Cities in Sweden | 0 | - | 4.71 | 24,525 |
| European Cities by Clue | 0 | - | 4.81 | 77,873 |
| Countries of the Soviet Union | 0 | - | 4.99 | 145,902 |
| Biggest Cities in China | 0 | - | 4.42 | 117,974 |
| Biggest Cities in Pennsylvania | 0 | - | 4.10 | 39,012 |
| Biggest Cities in Germany | 0 | - | 4.94 | 225,968 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.40 | 48,372 |
| Biggest City in Each U.S. State | 0 | - | 4.84 | 134,353 |
| Slavic Countries | 0 | - | 4.96 | 79,242 |
| Biggest City in Every Country | 0 | - | 4.97 | 66,713 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 16,322 |
| Biggest Cities in Colorado | 0 | - | 3.97 | 27,048 |
| Biggest Cities in Arizona | 0 | - | 4.24 | 24,723 |
| Biggest Cities in Virginia | 0 | - | 4.16 | 20,287 |
| Biggest Cities in Illinois | 0 | - | 4.30 | 21,426 |
| Biggest Cities in North Carolina | 0 | - | 4.48 | 25,732 |
| Biggest Cities in Wisconsin | 0 | - | 4.41 | 20,557 |
| Biggest Cities in Georgia | 0 | - | 3.72 | 19,356 |
| Biggest Cities in Massachusetts | 0 | - | 4.27 | 20,138 |
| Biggest Cities in Missouri | 0 | - | 4.18 | 14,176 |
| Biggest Cities in Oregon | 0 | - | 4.02 | 16,673 |
| Biggest Cities in Alaska | 0 | - | 4.39 | 16,779 |
| Biggest City by Time Zone | 0 | - | 4.74 | 49,727 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.42 | 78,123 |
| Countries Formerly in Yugoslavia | 0 | - | 4.93 | 92,149 |
| Biggest English Cities by Century | 0 | - | 4.92 | 85,482 |
| Biggest Cities in Switzerland | 0 | - | 4.55 | 38,169 |
| Biggest European Cities by Letter | 0 | - | 4.43 | 109,614 |
| Biggest Cities in India | 0 | - | 4.51 | 54,766 |
| Biggest Cities in Asia | 0 | - | 4.87 | 85,819 |
| Biggest City by Island | 0 | - | 4.49 | 42,167 |
| Official Cities in the UK | 0 | - | 4.89 | 196,982 |
| Russia Country Quiz | 0 | - | 4.86 | 90,664 |
| Biggest Cities in History | 0 | - | 4.49 | 70,381 |
| Biggest Cities by Trait #1 | 0 | - | 4.44 | 39,788 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.95 | 58,248 |
| Countries that Border Hungary | 0 | - | 4.99 | 85,266 |
| Five Biggest Cities by Country | 0 | - | 4.76 | 122,229 |
| Serbia Country Quiz | 0 | - | 4.36 | 26,814 |
| Europe Capital to Country | 0 | - | 4.99 | 198,748 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.42 | 56,161 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 63,131 |
| Biggest Coastal City by Country | 0 | - | 4.56 | 24,010 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.49 | 51,814 |
| Biggest Cities in Portugal | 0 | - | 4.35 | 15,902 |
| Most Populous World Capitals | 0 | - | 4.89 | 127,759 |
| Biggest City by Region | 0 | - | 4.50 | 29,042 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.94 | 68,358 |
| Most Populous 2nd Cities | 0 | - | 4.52 | 39,125 |
| Biggest City by Region #2 | 0 | - | 4.46 | 19,756 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.40 | 25,411 |
| Europe Capitals - One Minute Sprint | 0 | - | 4.32 | 165,570 |
| Countries that Bordered the USSR | 0 | - | 4.93 | 128,784 |
| Biggest European Cities by Century | 0 | - | 4.96 | 104,939 |
| U.S. Cities by Hispanic Population | 0 | - | 4.22 | 22,858 |
| Biggest Cities by Latitude | 0 | - | 4.73 | 24,048 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.92 | 59,084 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 39,319 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.64 | 58,553 |
| Biggest Two-Word Cities | 0 | - | 4.71 | 33,834 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.94 | 58,115 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.73 | 55,382 |
| European Capitals by Map | 0 | - | 4.99 | 51,197 |
| Cities of Ireland | 0 | - | 4.39 | 35,618 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 29,792 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 145,817 |
| Moldova Country Quiz | 0 | - | 4.89 | 22,770 |
| EU Capitals with No Hints | 0 | - | 4.93 | 98,336 |
| Biggest Cities in the World - Extreme | 0 | - | 4.97 | 72,979 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.78 | 46,292 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.92 | 117,983 |
| Cities of China (With Some Help) | 0 | - | 4.77 | 23,469 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.92 | 33,803 |
| Biggest Cities with Exceptions | 0 | - | 4.87 | 42,637 |
| Countries of Europe by Population | 0 | - | 4.98 | 108,201 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 167,895 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.89 | 32,365 |
| Biggest Cities in the UK | 0 | - | 4.42 | 79,588 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.94 | 81,580 |
| Biggest World Cities in 1850 | 0 | - | 4.52 | 47,485 |
| Megacities on a World Map | 0 | - | 4.97 | 199,080 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.97 | 169,086 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.78 | 48,765 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 94,990 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 73,362 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.81 | 38,593 |
| Federal Subjects of Russia | 0 | - | 4.95 | 81,080 |
| Ten Northernmost Megacities | 0 | - | 4.41 | 44,022 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.93 | 74,311 |
| Top 10 Most Remote European Capitals | 0 | - | 4.87 | 65,324 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 303,297 |
| European Capitals - Map Quiz | 0 | - | 4.98 | 91,455 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.37 | 23,226 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.91 | 154,088 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.44 | 49,940 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.54 | 34,624 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.44 | 35,850 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 433,136 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.97 | 54,848 |
| Most-Visited Cities in Europe | 0 | - | 4.89 | 45,151 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.89 | 70,985 |
| Megacities on an Empty Map | 0 | - | 4.96 | 76,986 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 51,877 |
| All 3M Cities on the World Map | 0 | - | 4.93 | 53,674 |
| All Cities in China with Population of 1 Million | 0 | - | 4.65 | 27,386 |
| Northernmost Major City by Country | 0 | - | 4.50 | 28,071 |
| Nordic Countries and Capitals | 0 | - | 4.94 | 61,744 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.92 | 20,748 |
| All Cities in India with Population of 1 Million | 0 | - | 4.79 | 32,051 |
| European Coastal Capitals | 0 | - | 4.95 | 69,482 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 55,090 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 42,306 |
| Two Largest Cities by First Two Letters | 0 | - | 4.65 | 56,091 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 36,475 |
| Most Guessed European Capitals | 0 | - | 4.84 | 67,376 |
| Countries with Territory in the Balkans | 0 | - | 4.92 | 66,244 |
| Countries Bordering Serbia | 0 | - | 4.92 | 72,106 |
| Largest World Capitals with Exceptions | 0 | - | 4.66 | 37,470 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.71 | 61,965 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.45 | 54,192 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.52 | 43,265 |
| Biggest Cities in Deserts | 0 | - | 4.86 | 37,377 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 260,734 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.93 | 79,333 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 61,719 |
| Biggest "Saint" Cities - United States | 0 | - | 4.38 | 30,516 |
| Which City in Germany? | 0 | - | 4.54 | 96,803 |
| European Capitals Furthest from the Sea | 0 | - | 4.94 | 53,567 |
| Eastern Europe Map Quiz | 0 | - | 4.91 | 101,463 |
| Ten Southernmost Megacities | 0 | - | 4.67 | 32,338 |
| Which City in Europe? | 0 | - | 4.87 | 85,819 |
| Which City In the United Kingdom? | 0 | - | 4.95 | 63,895 |
| European Capital Superlatives - Top 2 | 0 | - | 4.92 | 55,643 |
| European Capitals Ending in N | 0 | - | 4.92 | 66,748 |
| Flags to Largest Cities | 0 | - | 4.55 | 22,862 |
| 500 Biggest US Cities | 0 | - | 4.90 | 75,562 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.46 | 26,413 |
| Saint Lucia Country Quiz | 0 | - | 4.64 | 13,831 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 54,121 |
| Random European City to Country | 0 | - | 4.84 | 81,137 |
| Random European Capital to Country | 0 | - | 4.97 | 128,298 |
| Random European Country to Capital | 0 | - | 4.90 | 103,677 |
| Countries With the Most Russian Speakers | 0 | - | 4.94 | 44,517 |
