| Quiz | Points | Best | Rating | Takes |
|---|
| Biggest Cities in the United States | 0 | - | 4.91 | 741,148 |
| U.S. State Capitals Quiz | 0 | - | 4.99 | 1,401,977 |
| Biggest Cities in Texas | 0 | - | 4.24 | 105,360 |
| Biggest Cities in Washington State | 0 | - | 4.38 | 26,190 |
| Biggest Urban Areas in the UK | 0 | - | 4.38 | 159,966 |
| Countries That Border Russia | 0 | - | 4.97 | 385,096 |
| Biggest Cities in New Jersey | 0 | - | 4.04 | 23,250 |
| Biggest Metro Areas in the USA | 0 | - | 4.98 | 299,588 |
| Biggest Cities with a Muslim Majority | 0 | - | 4.60 | 92,900 |
| Biggest English-Speaking Cities | 0 | - | 4.38 | 130,267 |
| Biggest Spanish-Speaking Cities | 0 | - | 4.82 | 102,212 |
| Biggest Cities by Language | 0 | - | 4.95 | 200,655 |
| Biggest Nordic Cities | 0 | - | 4.36 | 57,746 |
| Biggest Mediterranean Cities | 0 | - | 4.60 | 71,298 |
| Biggest Cities in Japan | 0 | - | 4.69 | 69,593 |
| Biggest US Cities by Decade | 0 | - | 4.95 | 144,666 |
| Biggest Cities in Russia | 0 | - | 4.48 | 71,441 |
| Biggest Cities in Brazil | 0 | - | 4.54 | 44,281 |
| Biggest Cities in Poland | 0 | - | 4.55 | 42,930 |
| Countries that Border Poland | 0 | - | 4.99 | 135,328 |
| Biggest Cities in Colombia Quiz | 0 | - | 4.39 | 11,537 |
| Biggest Cities Starting With A | 0 | - | 4.49 | 102,917 |
| Biggest Cities Starting With B | 0 | - | 4.32 | 137,069 |
| Biggest Cities Starting With D | 0 | - | 4.48 | 99,447 |
| Biggest Cities Starting With H | 0 | - | 4.53 | 88,956 |
| Biggest Cities Starting With L | 0 | - | 4.42 | 101,080 |
| Biggest Cities Starting With M | 0 | - | 4.52 | 117,959 |
| Biggest Cities Starting With P | 0 | - | 4.49 | 93,810 |
| Biggest Cities in Mexico | 0 | - | 4.54 | 22,648 |
| Biggest U.S. Cities Starting with A | 0 | - | 4.35 | 77,573 |
| Biggest U.S. Cities Starting with B | 0 | - | 4.33 | 64,680 |
| Biggest U.S. Cities Starting with C | 0 | - | 4.20 | 72,601 |
| Biggest U.S. Cities Starting with D | 0 | - | 4.11 | 78,650 |
| Biggest U.S. Cities Starting with M | 0 | - | 4.09 | 62,837 |
| Biggest U.S. Cities Starting with N | 0 | - | 4.11 | 58,643 |
| Biggest U.S. Cities Starting with O | 0 | - | 4.12 | 19,055 |
| Biggest U.S. Cities Starting with P | 0 | - | 3.84 | 53,812 |
| Biggest U.S. Cities Starting with L | 0 | - | 4.17 | 56,941 |
| Biggest U.S. Cities Starting with S | 0 | - | 4.26 | 64,007 |
| Biggest U.S. Cities A-Z | 0 | - | 4.61 | 114,049 |
| Biggest World Cities A-Z | 0 | - | 4.38 | 172,965 |
| Biggest Cities in France | 0 | - | 4.45 | 170,597 |
| Biggest Cities in Spain | 0 | - | 4.60 | 139,671 |
| Biggest Cities in Italy | 0 | - | 4.60 | 198,465 |
| Biggest Cities in California | 0 | - | 4.33 | 123,663 |
| Biggest Cities in Florida | 0 | - | 4.18 | 63,579 |
| Biggest Cities in the World Quiz | 0 | - | 4.80 | 599,656 |
| Biggest Cities in New Zealand | 0 | - | 4.56 | 21,242 |
| Biggest Cities in Africa Quiz | 0 | - | 4.88 | 86,774 |
| Biggest Cities in Ohio | 0 | - | 4.35 | 43,077 |
| Biggest Cities in The Netherlands | 0 | - | 4.50 | 45,006 |
| Biggest Cities in Michigan | 0 | - | 3.99 | 30,949 |
| Biggest Cities in New York State | 0 | - | 4.24 | 52,946 |
| Biggest Cities in Europe | 0 | - | 4.50 | 420,301 |
| Biggest Cities in Indiana | 0 | - | 4.22 | 18,429 |
| Biggest Cities in Tennessee | 0 | - | 4.23 | 18,075 |
| Biggest Cities in Canada | 0 | - | 4.60 | 112,667 |
| Biggest Cities in Sweden | 0 | - | 4.85 | 33,187 |
| Countries of the Soviet Union | 0 | - | 4.99 | 154,805 |
| Biggest Cities in China | 0 | - | 4.44 | 124,406 |
| Biggest Cities in Pennsylvania | 0 | - | 4.12 | 40,380 |
| Biggest Cities in Germany | 0 | - | 4.93 | 238,474 |
| Biggest Cities in Latin America Quiz | 0 | - | 4.39 | 57,122 |
| Biggest City in Each U.S. State | 0 | - | 4.83 | 139,908 |
| Slavic Countries | 0 | - | 4.95 | 82,334 |
| Biggest City in Every Country | 0 | - | 4.97 | 70,856 |
| Biggest Cities in Louisiana | 0 | - | 4.03 | 17,138 |
| Biggest Cities in Colorado | 0 | - | 4.01 | 28,244 |
| Biggest Cities in Arizona | 0 | - | 4.20 | 26,351 |
| Biggest Cities in Virginia | 0 | - | 4.22 | 21,370 |
| Biggest Cities in Illinois | 0 | - | 4.31 | 22,753 |
| Biggest Cities in North Carolina | 0 | - | 4.53 | 29,634 |
| Biggest Cities in Wisconsin | 0 | - | 4.42 | 21,621 |
| Biggest Cities in Georgia | 0 | - | 3.81 | 20,293 |
| Biggest Cities in Massachusetts | 0 | - | 4.33 | 25,494 |
| Biggest Cities in Missouri | 0 | - | 4.17 | 14,902 |
| Biggest Cities in Oregon | 0 | - | 4.05 | 17,500 |
| Biggest Cities in Alaska | 0 | - | 4.31 | 22,011 |
| Biggest City by Time Zone | 0 | - | 4.76 | 51,026 |
| Biggest Two-Word U.S. Cities | 0 | - | 4.45 | 94,220 |
| Countries Formerly in Yugoslavia | 0 | - | 4.93 | 96,053 |
| Biggest English Cities by Century | 0 | - | 4.92 | 90,492 |
| Biggest Cities in Switzerland | 0 | - | 4.54 | 40,382 |
| Biggest European Cities by Letter | 0 | - | 4.47 | 113,085 |
| Biggest Cities in India | 0 | - | 4.60 | 57,554 |
| Biggest Cities in Asia | 0 | - | 4.91 | 88,985 |
| Biggest City by Island | 0 | - | 4.49 | 43,635 |
| Official Cities in the UK | 0 | - | 4.89 | 209,356 |
| Russia Country Quiz | 0 | - | 4.83 | 95,211 |
| Biggest Cities in History | 0 | - | 4.46 | 73,873 |
| Biggest Cities by Trait #1 | 0 | - | 4.42 | 41,091 |
| Biggest Cities in Europe, 1700 A.D. | 0 | - | 4.94 | 61,049 |
| Bosnia and Herzegovina Country Quiz | 0 | - | 4.83 | 27,477 |
| Countries that Border Hungary | 0 | - | 4.98 | 89,511 |
| Five Biggest Cities by Country | 0 | - | 4.60 | 141,185 |
| Europe Capital to Country | 0 | - | 4.99 | 205,234 |
| Czech Republic Country Quiz | 0 | - | 4.46 | 34,322 |
| 100 Biggest US Cities in 1900 | 0 | - | 4.44 | 58,086 |
| Top 10 World Cities Through History | 0 | - | 4.41 | 64,781 |
| Biggest Coastal City by Country | 0 | - | 4.54 | 25,565 |
| Biggest Cities in the Commonwealth of Nations | 0 | - | 4.50 | 60,370 |
| Biggest Cities in Portugal | 0 | - | 4.36 | 17,024 |
| Most Populous World Capitals | 0 | - | 4.89 | 131,884 |
| Biggest City by Region | 0 | - | 4.47 | 30,944 |
| Non-Bordering Countries Closest to Russia | 0 | - | 4.93 | 71,230 |
| Most Populous 2nd Cities | 0 | - | 4.52 | 49,889 |
| Canadian Metro Areas over 100,000 People | 0 | - | 4.39 | 26,584 |
| Countries that Bordered the USSR | 0 | - | 4.91 | 133,249 |
| Biggest European Cities by Century | 0 | - | 4.96 | 109,926 |
| U.S. Cities by Hispanic Population | 0 | - | 4.21 | 23,444 |
| 25 Biggest Cities of the Soviet Union | 0 | - | 4.93 | 63,069 |
| Largest World Cities With Four Letters | 0 | - | 4.41 | 40,883 |
| Biggest Cities once in the Roman Empire | 0 | - | 4.60 | 60,793 |
| Biggest Two-Word Cities | 0 | - | 4.60 | 36,082 |
| Five Biggest World Cities by Letter #1 | 0 | - | 4.95 | 61,847 |
| Five Biggest World Cities by Letter #2 | 0 | - | 4.71 | 58,500 |
| European Capitals by Map | 0 | - | 4.99 | 68,355 |
| Cities of Ireland | 0 | - | 4.42 | 36,917 |
| Largest Cities in Alexander's Empire | 0 | - | 4.46 | 36,840 |
| Five Most Populated Cities by Continent | 0 | - | 4.95 | 152,846 |
| Moldova Country Quiz | 0 | - | 4.89 | 24,384 |
| EU Capitals with No Hints | 0 | - | 4.92 | 102,336 |
| Biggest Cities in the World - Extreme | 0 | - | 4.98 | 83,942 |
| Biggest Cities once in the Spanish Empire | 0 | - | 4.79 | 47,917 |
| Biggest Cities in the U.S. - Extreme | 0 | - | 4.92 | 123,061 |
| Cities of China (With Some Help) | 0 | - | 4.83 | 25,300 |
| Biggest Cities in Asia - Extreme | 0 | - | 4.90 | 39,564 |
| Biggest Cities with Exceptions | 0 | - | 4.88 | 44,798 |
| Countries of Europe by Population | 0 | - | 4.98 | 113,879 |
| Top 10 Most Populous European Countries | 0 | - | 4.97 | 176,797 |
| Biggest Cities in Germany - Extreme | 0 | - | 4.82 | 41,104 |
| Biggest Cities in the UK | 0 | - | 4.42 | 84,137 |
| 10 Biggest Cities That Aren't World Capitals | 0 | - | 4.93 | 85,764 |
| Biggest World Cities in 1850 | 0 | - | 4.53 | 49,220 |
| Megacities on a World Map | 0 | - | 4.98 | 206,252 |
| 15 Largest Cities in Europe With a Map | 0 | - | 4.98 | 182,334 |
| Biggest Cities in the Southern Hemisphere | 0 | - | 4.76 | 50,477 |
| 15 Largest Cities in Asia With a Map | 0 | - | 4.97 | 99,870 |
| 15 Largest Cities in the Middle East With a Map | 0 | - | 4.85 | 77,144 |
| Biggest Cities once in the Ottoman Empire | 0 | - | 4.79 | 40,461 |
| Federal Subjects of Russia | 0 | - | 4.95 | 91,669 |
| Ten Northernmost Megacities | 0 | - | 4.43 | 45,106 |
| 15 Largest Cities in South America With a Map | 0 | - | 4.96 | 84,175 |
| Top 10 Most Remote European Capitals | 0 | - | 4.85 | 67,681 |
| 100 Biggest Cities on a World Map | 0 | - | 4.99 | 333,592 |
| European Capitals - Map Quiz | 0 | - | 4.98 | 96,005 |
| Biggest U.S. Cities Within 200 Kilometers | 0 | - | 4.30 | 33,816 |
| Europe by Capitals and Borders in 30 Seconds | 0 | - | 4.88 | 160,717 |
| U.S. Cities With Population > 1 Million | 0 | - | 4.43 | 51,857 |
| Biggest U.S. Cities Within 100 Kilometers | 0 | - | 4.47 | 36,004 |
| Biggest World Cities within 1,000 Km | 0 | - | 4.45 | 37,444 |
| All 1M Cities by Proximity | 0 | - | 5.00 | 467,716 |
| 100 Biggest U.S. Cities on a Map | 0 | - | 4.14 | 71,759 |
| 10 Northernmost Capital Cities in Europe | 0 | - | 4.97 | 57,259 |
| Most-Visited Cities in Europe | 0 | - | 4.92 | 48,896 |
| 10 Westernmost Capital Cities in Europe | 0 | - | 4.87 | 73,121 |
| Megacities on an Empty Map | 0 | - | 4.96 | 80,641 |
| 2,000 Biggest World Cities Furthest from a Larger City | 0 | - | 4.97 | 55,240 |
| All 3M Cities on the World Map | 0 | - | 4.94 | 57,125 |
| All Cities in China with Population of 1 Million | 0 | - | 4.53 | 33,054 |
| Northernmost Major City by Country | 0 | - | 4.51 | 29,069 |
| Nordic Countries and Capitals | 0 | - | 4.94 | 72,857 |
| 10 Biggest Cities by U.S. State | 0 | - | 4.91 | 23,907 |
| All Cities in India with Population of 1 Million | 0 | - | 4.82 | 35,607 |
| European Coastal Capitals | 0 | - | 4.95 | 71,988 |
| Ten Biggest Cities by Hemisphere | 0 | - | 4.93 | 58,246 |
| Soviet Union Country Quiz | 0 | - | 4.84 | 59,757 |
| Top 10 Most Populous U.S. State Capitals | 0 | - | 4.47 | 45,850 |
| Two Largest Cities by First Two Letters | 0 | - | 4.59 | 58,456 |
| U.S. States by Second Most Populous City | 0 | - | 4.41 | 37,643 |
| Most Guessed European Capitals | 0 | - | 4.85 | 71,214 |
| Countries with Territory in the Balkans | 0 | - | 4.91 | 68,837 |
| Countries Bordering Serbia | 0 | - | 4.93 | 75,773 |
| Largest World Capitals with Exceptions | 0 | - | 4.69 | 48,152 |
| Biggest Cities in Europe - Extreme | 0 | - | 4.70 | 64,387 |
| First U.S. States to Reach 1 Million People | 0 | - | 4.47 | 55,904 |
| First U.S. Cities to Reach 100,000 People | 0 | - | 4.59 | 52,929 |
| Biggest Cities in Deserts | 0 | - | 4.93 | 39,229 |
| 100 Biggest Cities in Europe with a Map | 0 | - | 4.97 | 275,555 |
| 250 Biggest Cities in Europe With a Map | 0 | - | 4.90 | 85,341 |
| Biggest Cities in Each U.S. State - Extreme | 0 | - | 4.92 | 64,435 |
| Biggest "Saint" Cities - United States | 0 | - | 4.46 | 31,764 |
| Which City in Germany? | 0 | - | 4.49 | 109,210 |
| European Capitals Furthest from the Sea | 0 | - | 4.94 | 63,018 |
| Eastern Europe Map Quiz | 0 | - | 4.89 | 105,767 |
| Ten Southernmost Megacities | 0 | - | 4.80 | 43,602 |
| Which City in Europe? | 0 | - | 4.82 | 90,151 |
| Which City In the United Kingdom? | 0 | - | 4.96 | 67,731 |
| European Capital Superlatives - Top 2 | 0 | - | 4.94 | 57,603 |
| European Capitals Ending in N | 0 | - | 4.92 | 69,240 |
| 500 Biggest US Cities | 0 | - | 4.85 | 82,895 |
| Fastest Shrinking U.S. Cities | 0 | - | 4.44 | 27,240 |
| Saint Lucia Country Quiz | 0 | - | 4.62 | 14,733 |
| Every 1,000,000+ City on a Map | 0 | - | 4.99 | 61,283 |
| Random European City to Country | 0 | - | 4.84 | 84,671 |
| Random European Capital to Country | 0 | - | 4.96 | 135,982 |
| Random European Country to Capital | 0 | - | 4.88 | 121,675 |
| Countries With the Most Russian Speakers | 0 | - | 4.94 | 48,742 |
| Biggest Cities in France - Extreme | 0 | - | 4.84 | 35,603 |
| 100 Biggest Cities in Italy on a Map | 0 | - | 4.71 | 50,430 |
