| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.91 | 739,886 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,399,504 |
| Biggest Cities in Texas | 0 | - | 4.24 | 105,264 |
| Biggest Cities in Washington State | 0 | - | 4.38 | 26,160 |
| Biggest Urban Areas in the UK | 0 | - | 4.38 | 159,828 |
| Countries That Border Russia | 0 | - | 4.97 | 384,564 |
| Biggest Cities in New Jersey | 0 | - | 4.04 | 23,208 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 299,168 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.82 | 102,106 |
| Biggest Cities by Language | 0 | - | 4.95 | 200,407 |
| Biggest Nordic Cities | 0 | - | 4.36 | 57,707 |
| Biggest Mediterranean Cities | 0 | - | 4.60 | 71,242 |
| Biggest Cities in Japan | 0 | - | 4.69 | 69,329 |
| Biggest US Cities by Decade | 0 | - | 4.94 | 138,933 |
| Biggest Cities in Russia | 0 | - | 4.48 | 71,335 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 44,183 |
| Biggest Cities in Poland | 0 | - | 4.55 | 42,848 |
| Countries that Border Poland | 0 | - | 4.99 | 135,172 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.39 | 11,513 |
| Biggest Cities in Mexico | 0 | - | 4.54 | 22,596 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.35 | 77,503 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.33 | 64,609 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.20 | 72,534 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.11 | 78,587 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.09 | 62,795 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.11 | 58,592 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.12 | 19,017 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.84 | 53,784 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.17 | 56,897 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.26 | 63,949 |
| Biggest U.S. Cities A-Z | 0 | - | 4.61 | 113,821 |
| Biggest Cities in France | 0 | - | 4.44 | 170,315 |
| Biggest Cities in Spain | 0 | - | 4.60 | 139,421 |
| Biggest Cities in Italy | 0 | - | 4.60 | 198,063 |
| Biggest Cities in California | 0 | - | 4.33 | 123,482 |
| Biggest Cities in Florida | 0 | - | 4.18 | 63,510 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 21,199 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 86,658 |
| Biggest Cities in Ohio | 0 | - | 4.35 | 43,020 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 44,923 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 30,927 |
| Biggest Cities in New York State | 0 | - | 4.24 | 52,896 |
| Biggest Cities in Europe | 0 | - | 4.50 | 419,442 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 18,396 |
| Biggest Cities in Tennessee | 0 | - | 4.23 | 18,049 |
| Biggest Cities in Canada | 0 | - | 4.60 | 112,537 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 33,094 |
| Countries of the Soviet Union | 0 | - | 4.99 | 154,515 |
| Biggest Cities in China | 0 | - | 4.44 | 124,181 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 40,342 |
| Biggest Cities in Germany | 0 | - | 4.93 | 238,049 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.39 | 57,083 |
| Biggest City in Each U.S. State | 0 | - | 4.83 | 139,728 |
| Slavic Countries | 0 | - | 4.95 | 82,238 |
| Biggest City in Every Country | 0 | - | 4.97 | 70,751 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 17,115 |
| Biggest Cities in Colorado | 0 | - | 4.01 | 28,209 |
| Biggest Cities in Arizona | 0 | - | 4.20 | 26,303 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 21,347 |
| Biggest Cities in Illinois | 0 | - | 4.31 | 22,720 |
| Biggest Cities in North Carolina | 0 | - | 4.53 | 29,586 |
| Biggest Cities in Wisconsin | 0 | - | 4.42 | 21,586 |
| Biggest Cities in Georgia | 0 | - | 3.81 | 20,274 |
| Biggest Cities in Massachusetts | 0 | - | 4.33 | 25,456 |
| Biggest Cities in Missouri | 0 | - | 4.17 | 14,883 |
| Biggest Cities in Oregon | 0 | - | 4.05 | 17,479 |
| Biggest Cities in Alaska | 0 | - | 4.31 | 21,974 |
| Countries Formerly in Yugoslavia | 0 | - | 4.93 | 95,931 |
| Biggest English Cities by Century | 0 | - | 4.92 | 90,219 |
| Biggest Cities in Switzerland | 0 | - | 4.54 | 40,325 |
| Biggest European Cities by Letter | 0 | - | 4.47 | 112,990 |
| Biggest Cities in India | 0 | - | 4.60 | 57,441 |
| Biggest Cities in Asia | 0 | - | 4.91 | 88,850 |
| Official Cities in the UK | 0 | - | 4.89 | 208,961 |
| Russia Country Quiz | 0 | - | 4.83 | 95,075 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.94 | 60,888 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.82 | 27,427 |
| Countries that Border Hungary | 0 | - | 4.98 | 89,387 |
| Europe Capital to Country | 0 | - | 4.99 | 205,043 |
| Belarus Country Quiz | 0 | - | 4.70 | 23,206 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 58,011 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.50 | 60,287 |
| Biggest Cities in Portugal | 0 | - | 4.36 | 16,997 |
| Most Populous World Capitals | 0 | - | 4.89 | 131,784 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.93 | 71,130 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.39 | 26,541 |
| Countries that Bordered the USSR | 0 | - | 4.91 | 133,114 |
| Biggest European Cities by Century | 0 | - | 4.96 | 109,681 |
| U.S. Cities by Hispanic Population | 0 | - | 4.21 | 23,428 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.93 | 62,888 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.59 | 60,715 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 61,720 |
| European Capitals by Map | 0 | - | 4.99 | 67,918 |
| Cities of Ireland | 0 | - | 4.42 | 36,865 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 36,800 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 152,610 |
| Moldova Country Quiz | 0 | - | 4.89 | 24,344 |
| EU Capitals with No Hints | 0 | - | 4.92 | 102,221 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 83,462 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.79 | 47,850 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.92 | 122,870 |
| Cities of China (With Some Help) | 0 | - | 4.83 | 25,228 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.90 | 39,503 |
| Biggest Cities with Exceptions | 0 | - | 4.88 | 44,739 |
| Countries of Europe by Population | 0 | - | 4.98 | 113,700 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 176,580 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.82 | 41,033 |
| European Cities by Map #1 | 0 | - | 4.60 | 48,279 |
| European Cities by Map #2 | 0 | - | 4.41 | 32,655 |
| UK Cities and Towns by Map | 0 | - | 4.56 | 40,518 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 263,944 |
| Biggest Cities in the UK | 0 | - | 4.42 | 84,005 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.63 | 81,119 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.93 | 85,658 |
| Megacities on a World Map | 0 | - | 4.98 | 206,003 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 182,109 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 99,735 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.93 | 65,895 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 77,016 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.79 | 40,370 |
| Federal Subjects of Russia | 0 | - | 4.95 | 91,309 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.96 | 84,052 |
| Countries of Europe After World War II | 0 | - | 4.97 | 151,989 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 120,625 |
| Top 10 Most Remote European Capitals | 0 | - | 4.85 | 67,607 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 332,838 |
| European Capitals - Map Quiz | 0 | - | 4.98 | 95,886 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.30 | 33,773 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.87 | 160,528 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 51,796 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.47 | 35,967 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 77,497 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 466,866 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.14 | 71,460 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.97 | 57,185 |
| Most-Visited Cities in Europe | 0 | - | 4.92 | 48,730 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.87 | 73,056 |
| Megacities on an Empty Map | 0 | - | 4.96 | 80,529 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 55,134 |
| All 3M Cities on the World Map | 0 | - | 4.93 | 57,027 |
| All Cities in China with Population of 1 Million | 0 | - | 4.53 | 32,931 |
| Nordic Countries and Capitals | 0 | - | 4.94 | 72,734 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.91 | 23,822 |
| All Cities in India with Population of 1 Million | 0 | - | 4.82 | 35,509 |
| European Coastal Capitals | 0 | - | 4.95 | 71,909 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 58,141 |
| Soviet Union Country Quiz | 0 | - | 4.84 | 59,637 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 45,710 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 37,603 |
| Most Guessed European Capitals | 0 | - | 4.85 | 71,086 |
| Countries with Territory in the Balkans | 0 | - | 4.91 | 68,750 |
| Countries Bordering Serbia | 0 | - | 4.93 | 75,660 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.70 | 64,301 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.47 | 55,849 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.59 | 52,865 |
| Biggest Cities in Deserts | 0 | - | 4.93 | 39,173 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 275,093 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 85,139 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 64,351 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 31,708 |
| European Capitals Furthest from the Sea | 0 | - | 4.94 | 62,948 |
| Eastern Europe Map Quiz | 0 | - | 4.89 | 105,663 |
| Which City in Europe? | 0 | - | 4.82 | 90,034 |
| Which City In the United Kingdom? | 0 | - | 4.96 | 67,621 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 57,521 |
| European Capitals Ending in N | 0 | - | 4.92 | 69,163 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 121,900 |
| 500 Biggest US Cities | 0 | - | 4.84 | 82,665 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.43 | 27,218 |
| Saint Lucia Country Quiz | 0 | - | 4.62 | 14,698 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 60,932 |
| Random European City to Country | 0 | - | 4.83 | 84,477 |
| Random European Capital to Country | 0 | - | 4.96 | 135,424 |
| Random European Country to Capital | 0 | - | 4.88 | 109,007 |
| Countries With the Most Russian Speakers | 0 | - | 4.94 | 48,604 |
| Pixelated Europe Map | 0 | - | 4.86 | 99,491 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 35,488 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.71 | 50,276 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.84 | 60,693 |
| Counties of the UK and Ireland | 0 | - | 4.94 | 85,680 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.95 | 73,992 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 92,609 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 98,664 |
| Cities in Squares on a Map - Europe | 0 | - | 4.61 | 39,926 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 78,814 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 89,113 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.57 | 22,681 |
| Every U.S. Metro Area on a Map | 0 | - | 4.95 | 55,842 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 184,780 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.56 | 30,438 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.85 | 54,059 |
| Random European Countries on a Map | 0 | - | 4.98 | 227,174 |
| European Map without 10 Random Countries | 0 | - | 4.96 | 224,138 |
| Random African Capitals on a Map | 0 | - | 4.94 | 43,011 |
| Random European Capitals on a Map | 0 | - | 4.96 | 94,906 |
| Random U.S. State Capitals on a Map | 0 | - | 4.93 | 72,567 |
| Biggest Cities in Australia on a Map | 0 | - | 4.60 | 29,055 |
| Largest Nordic Cities on a Map | 0 | - | 4.51 | 16,816 |
| Cities in Squares on a Map - North America | 0 | - | 4.32 | 17,583 |
| Random Cities Near Paris on a Map | 0 | - | 4.49 | 30,986 |
