| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.91 | 739,579 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,398,842 |
| Biggest Cities in Texas | 0 | - | 4.24 | 105,238 |
| Biggest Cities in Washington State | 0 | - | 4.38 | 26,152 |
| Biggest Urban Areas in the UK | 0 | - | 4.38 | 159,800 |
| Countries That Border Russia | 0 | - | 4.97 | 384,416 |
| Biggest Cities in New Jersey | 0 | - | 4.04 | 23,203 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 299,066 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.82 | 102,089 |
| Biggest Cities by Language | 0 | - | 4.95 | 200,344 |
| Biggest Nordic Cities | 0 | - | 4.36 | 57,702 |
| Biggest Mediterranean Cities | 0 | - | 4.60 | 71,229 |
| Biggest Cities in Japan | 0 | - | 4.69 | 69,304 |
| Biggest US Cities by Decade | 0 | - | 4.94 | 137,131 |
| Biggest Cities in Russia | 0 | - | 4.48 | 71,301 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 44,155 |
| Biggest Cities in Poland | 0 | - | 4.55 | 42,821 |
| Countries that Border Poland | 0 | - | 4.99 | 135,129 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.39 | 11,509 |
| Biggest Cities in Mexico | 0 | - | 4.54 | 22,580 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.35 | 77,485 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.33 | 64,593 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.20 | 72,520 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.11 | 78,571 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.09 | 62,783 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.11 | 58,582 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.12 | 19,011 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.84 | 53,776 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.17 | 56,888 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.26 | 63,935 |
| Biggest U.S. Cities A-Z | 0 | - | 4.61 | 113,784 |
| Biggest Cities in France | 0 | - | 4.44 | 170,243 |
| Biggest Cities in Spain | 0 | - | 4.60 | 139,363 |
| Biggest Cities in Italy | 0 | - | 4.60 | 197,923 |
| Biggest Cities in California | 0 | - | 4.33 | 123,406 |
| Biggest Cities in Florida | 0 | - | 4.18 | 63,494 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 21,181 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 86,637 |
| Biggest Cities in Ohio | 0 | - | 4.35 | 43,006 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 44,897 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 30,918 |
| Biggest Cities in New York State | 0 | - | 4.24 | 52,883 |
| Biggest Cities in Europe | 0 | - | 4.50 | 419,313 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 18,393 |
| Biggest Cities in Tennessee | 0 | - | 4.23 | 18,042 |
| Biggest Cities in Canada | 0 | - | 4.60 | 112,500 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 33,063 |
| Countries of the Soviet Union | 0 | - | 4.99 | 154,437 |
| Biggest Cities in China | 0 | - | 4.44 | 124,090 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 40,321 |
| Biggest Cities in Germany | 0 | - | 4.93 | 237,956 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.39 | 57,073 |
| Biggest City in Each U.S. State | 0 | - | 4.83 | 139,676 |
| Slavic Countries | 0 | - | 4.95 | 82,213 |
| Biggest City in Every Country | 0 | - | 4.97 | 70,732 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 17,094 |
| Biggest Cities in Colorado | 0 | - | 4.01 | 28,198 |
| Biggest Cities in Arizona | 0 | - | 4.20 | 26,293 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 21,339 |
| Biggest Cities in Illinois | 0 | - | 4.31 | 22,705 |
| Biggest Cities in North Carolina | 0 | - | 4.53 | 29,576 |
| Biggest Cities in Wisconsin | 0 | - | 4.42 | 21,579 |
| Biggest Cities in Georgia | 0 | - | 3.81 | 20,268 |
| Biggest Cities in Massachusetts | 0 | - | 4.33 | 25,445 |
| Biggest Cities in Missouri | 0 | - | 4.17 | 14,877 |
| Biggest Cities in Oregon | 0 | - | 4.05 | 17,474 |
| Biggest Cities in Alaska | 0 | - | 4.31 | 21,970 |
| Countries Formerly in Yugoslavia | 0 | - | 4.93 | 95,905 |
| Biggest English Cities by Century | 0 | - | 4.92 | 90,156 |
| Biggest Cities in Switzerland | 0 | - | 4.54 | 40,312 |
| Ukraine Country Quiz | 0 | - | 4.37 | 38,076 |
| Biggest European Cities by Letter | 0 | - | 4.47 | 112,965 |
| Biggest Cities in India | 0 | - | 4.60 | 57,403 |
| Biggest Cities in Asia | 0 | - | 4.91 | 88,828 |
| Official Cities in the UK | 0 | - | 4.89 | 208,886 |
| Russia Country Quiz | 0 | - | 4.83 | 95,034 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.94 | 60,838 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.82 | 27,419 |
| Countries that Border Hungary | 0 | - | 4.98 | 89,348 |
| Europe Capital to Country | 0 | - | 4.99 | 204,986 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 57,998 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.50 | 60,271 |
| Biggest Cities in Portugal | 0 | - | 4.36 | 16,986 |
| Most Populous World Capitals | 0 | - | 4.89 | 131,751 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.93 | 71,108 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.39 | 26,532 |
| Countries that Bordered the USSR | 0 | - | 4.91 | 133,081 |
| Biggest European Cities by Century | 0 | - | 4.96 | 109,620 |
| U.S. Cities by Hispanic Population | 0 | - | 4.21 | 23,425 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.93 | 62,837 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.59 | 60,690 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 61,681 |
| European Capitals by Map | 0 | - | 4.99 | 67,816 |
| Cities of Ireland | 0 | - | 4.42 | 36,856 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 36,783 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 152,553 |
| Moldova Country Quiz | 0 | - | 4.89 | 24,332 |
| EU Capitals with No Hints | 0 | - | 4.92 | 102,187 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 83,074 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.79 | 47,836 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.92 | 122,829 |
| Cities of China (With Some Help) | 0 | - | 4.83 | 25,208 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.90 | 39,494 |
| Biggest Cities with Exceptions | 0 | - | 4.88 | 44,720 |
| Countries of Europe by Population | 0 | - | 4.98 | 113,662 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 176,514 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.82 | 41,017 |
| European Cities by Map #1 | 0 | - | 4.60 | 48,260 |
| European Cities by Map #2 | 0 | - | 4.41 | 32,639 |
| UK Cities and Towns by Map | 0 | - | 4.56 | 40,503 |
| Countries of Europe with an Empty Map | 0 | - | 5.00 | 263,846 |
| Biggest Cities in the UK | 0 | - | 4.42 | 83,970 |
| Countries Bordering Ukraine, with an Empty Map | 0 | - | 4.63 | 81,088 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.93 | 85,626 |
| Megacities on a World Map | 0 | - | 4.98 | 205,947 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 182,053 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 99,694 |
| 15 Largest Cities in Africa With a Map | 0 | - | 4.93 | 65,871 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 76,990 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.79 | 40,329 |
| Federal Subjects of Russia | 0 | - | 4.95 | 91,126 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.96 | 84,023 |
| Countries of Europe After World War II | 0 | - | 4.97 | 151,888 |
| Countries of Europe Before World War I | 0 | - | 4.99 | 120,537 |
| Top 10 Most Remote European Capitals | 0 | - | 4.85 | 67,588 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 332,626 |
| European Capitals - Map Quiz | 0 | - | 4.98 | 95,840 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.30 | 33,752 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.87 | 160,469 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 51,789 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.47 | 35,955 |
| 50 Busiest Air Routes from London | 0 | - | 4.87 | 77,473 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 466,653 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.14 | 71,362 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.97 | 57,161 |
| Most-Visited Cities in Europe | 0 | - | 4.92 | 48,683 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.87 | 73,039 |
| Megacities on an Empty Map | 0 | - | 4.96 | 80,507 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 55,106 |
| All 3M Cities on the World Map | 0 | - | 4.93 | 56,995 |
| All Cities in China with Population of 1 Million | 0 | - | 4.53 | 32,910 |
| Nordic Countries and Capitals | 0 | - | 4.94 | 72,681 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.91 | 23,795 |
| All Cities in India with Population of 1 Million | 0 | - | 4.82 | 35,469 |
| European Coastal Capitals | 0 | - | 4.95 | 71,896 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 58,117 |
| Soviet Union Country Quiz | 0 | - | 4.83 | 59,603 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 45,662 |
| U.S. States by Second Most Populous City | 0 | - | 4.40 | 37,594 |
| Most Guessed European Capitals | 0 | - | 4.85 | 71,049 |
| Countries with Territory in the Balkans | 0 | - | 4.91 | 68,729 |
| Countries Bordering Serbia | 0 | - | 4.93 | 75,631 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.70 | 64,279 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.47 | 55,838 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.59 | 52,851 |
| Biggest Cities in Deserts | 0 | - | 4.93 | 39,162 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 274,972 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 85,084 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 64,332 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 31,695 |
| European Capitals Furthest from the Sea | 0 | - | 4.94 | 62,925 |
| Eastern Europe Map Quiz | 0 | - | 4.89 | 105,637 |
| Which City in Europe? | 0 | - | 4.82 | 90,011 |
| Which City In the United Kingdom? | 0 | - | 4.96 | 67,590 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 57,494 |
| European Capitals Ending in N | 0 | - | 4.92 | 69,141 |
| Countries of Europe in 1815 With a Map | 0 | - | 4.99 | 121,847 |
| 500 Biggest US Cities | 0 | - | 4.84 | 82,600 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.43 | 27,213 |
| Saint Lucia Country Quiz | 0 | - | 4.62 | 14,692 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 60,855 |
| Random European City to Country | 0 | - | 4.83 | 84,460 |
| Random European Capital to Country | 0 | - | 4.96 | 135,370 |
| Random European Country to Capital | 0 | - | 4.88 | 108,959 |
| Countries With the Most Russian Speakers | 0 | - | 4.94 | 48,568 |
| Pixelated Europe Map | 0 | - | 4.86 | 99,458 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 35,465 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.71 | 50,238 |
| 100 Biggest Cities in Germany on a Map | 0 | - | 4.84 | 60,619 |
| Counties of the UK and Ireland | 0 | - | 4.94 | 85,616 |
| 100 Biggest Cities and Towns in the UK | 0 | - | 4.95 | 73,915 |
| All First-Level Subdivisions of Europe on a Map | 0 | - | 4.98 | 92,531 |
| Modern-Day Countries of the Roman Empire on a Map | 0 | - | 4.99 | 98,598 |
| Cities in Squares on a Map - Europe | 0 | - | 4.61 | 39,869 |
| Modern Day Countries of Austria-Hungary on a Map | 0 | - | 4.98 | 78,761 |
| Modern-Day Countries of the British Empire in 1921 | 0 | - | 4.99 | 89,063 |
| Biggest Cities and Towns in England - 1377 AD | 0 | - | 4.57 | 22,675 |
| Every U.S. Metro Area on a Map | 0 | - | 4.95 | 55,820 |
| Random Sequential European Countries on a Map | 0 | - | 4.99 | 184,699 |
| 100 Biggest Cities in Spain on a Map | 0 | - | 4.56 | 30,415 |
| Most Populous Cities as a Percent of Their Continent | 0 | - | 4.85 | 54,042 |
| Random European Countries on a Map | 0 | - | 4.98 | 227,039 |
| European Map without 10 Random Countries | 0 | - | 4.96 | 224,065 |
| Random African Capitals on a Map | 0 | - | 4.94 | 42,993 |
| Random European Capitals on a Map | 0 | - | 4.96 | 94,770 |
| Random U.S. State Capitals on a Map | 0 | - | 4.93 | 72,520 |
| Biggest Cities in Australia on a Map | 0 | - | 4.60 | 29,045 |
| Largest Nordic Cities on a Map | 0 | - | 4.51 | 16,806 |
| Cities in Squares on a Map - North America | 0 | - | 4.32 | 17,577 |
| Random Cities Near Paris on a Map | 0 | - | 4.49 | 30,963 |
